Development of Study Approaches and Methods

Alexander, S.C., and Saar, M.O., 2012,

Improved characterization of small “u” for Jacob pumping test analysis methods: Ground Water, v. 50, no. 2, p. 256-265, doi:10.1111/j.1745-6584.2011.00839.x.

Burns, D., Aiken, G., Bradley, P., Journey, C., and Schelker, J., 2012,

Specific ultra-violet absorbance as an indicator of mercury sources in an Adirondack River basin: Biogeochemistry, p. 1-16, doi:10.1007/s10533-012-9773-5 (Advanced Web release).

Craven, A.M., Aiken, G.R., and Ryan, J.N., 2012,

Copper(II) binding by dissolved organic matter--Importance of the copper-to-dissolved organic matter ratio and implications for the biotic ligand model: Environmental Science and Technology, v. 46, no. 18, p. 9948-9954, doi:10.1021/es301015p.

Eberts, S., Böhlke, J., Kauffman, L., and Jurgens, B., 2012,

Comparison of particle-tracking and lumped-parameter age-distribution models for evaluating vulnerability of production wells to contamination: Hydrogeology Journal, v. 20, no. 2, p. 263-282, doi:10.1007/s10040-011-0810-6.

Ellefsen, K.J., Burton, W.C., and Lacombe, P.J., 2012,

Integrated characterization of the geologic framework of a contaminated site in West Trenton, New Jersey: Journal of Applied Geophysics, v. 79, no. 0, p. 71-81, doi:10.1016/j.jappgeo.2011.12.008.

Han, L.-F., Plummer, L.N., and Aggarwal, P., 2012,

A graphical method to evaluate predominant geochemical processes occurring in groundwater systems for radiocarbon dating: Chemical Geology, v. 318–319, p. 88-112, doi:10.1016/j.chemgeo.2012.05.004.

McCleskey, R.B., Nordstrom, D.K., Ryan, J.N., and Ball, J.W., 2012,

A new method of calculating electrical conductivity with applications to natural waters: Geochimica et Cosmochimica Acta, v. 77, p. 369-382, doi:10.1016/j.gca.2011.10.031.

Mwakanyamale, K., Slater, L., Day-Lewis, F., Elwaseif, M., and Johnson, C., 2012,

Spatially variable stage-driven groundwater-surface water interaction inferred from time-frequency analysis of distributed temperature sensing data: Geophysical Research Letters, v. 39, no. 6, L06401, doi:10.1029/2011gl050824.

Brosten, T.R., Day-Lewis, F.D., Schultz, G.M., Curtis, G.P., and Lane Jr, J.W., 2011,

Inversion of multi-frequency electromagnetic induction data for 3D characterization of hydraulic conductivity: Journal of Applied Geophysics, v. 73, no. 4, p. 323-335, doi:10.1016/j.jappgeo.2011.02.004.

Day-Lewis, F.D., Johnson, C.D., Paillet, F.L., and Halford, K.J., 2011,

A computer program for flow-log analysis of single holes (FLASH): Ground Water, v. 49, no. 6, p. 926-931, doi:10.1111/j.1745-6584.2011.00798.x.

Dybowska, A.D., Croteau, M.-N., Misra, S.K., Berhanu, D., Luoma, S.N., Christian, P., O'Brien, P., and Valsami-Jones, E., 2011,

Synthesis of isotopically modified ZnO nanoparticles and their potential as nanotoxicity tracers: Environmental Pollution, v. 159, no. 1, p. 266-273, doi:10.1016/j.envpol.2010.08.032.

McCleskey, R.B., Kirk Nordstrom, D., and Ryan, J.N., 2011,

Electrical conductivity method for natural waters: Applied Geochemistry, v. 26, Supplement 1, doi:10.1016/j.apgeochem.2011.03.110.

Pellerin, B.A., Bergamaschi, B.A., Murdoch, P.S., Downing, B.D., Saraceno, J.F., Aiken, G.R., and Striegl, R.G., 2011,

The aquatic real-time monitoring network--in-situ optical sensors for monitoring the Nation's water quality: U.S. Geological Survey Fact Sheet 2011-3061, 2 p.

Pidlisecky, A., Singha, K., and Day-Lewis, F.D., 2011,

A distribution-based parametrization for improved tomographic imaging of solute plumes: Geophysical Journal International, v. 187, no. 1, p. 214-224, doi:10.1111/j.1365-246X.2011.05131.x.

Sanford, W., 2011,

Calibration of models using groundwater age: Hydrogeology Journal, v. 19, no. 1, p. 13-16, doi:10.1007/s10040-010-0637-6.

Smith, K.S., 2011,

Approach for environmental baseline water sampling, in Proceedings of the 2011 Society for Mining, Metallurgy and Exploration (SME) Annual Meeting and Exhibit, Denver, CO, February 27-March 2, 2011.

Writer, J.H., Keefe, S.K., Ryan, J.N., Ferrer, I., Thurman, M.E., and Barber, L.B., 2011,

Methods for evaluating in-stream attenuation of trace organic compounds: Applied Geochemistry, v. 26, Supplement, p. S344-S345, doi:10.1016/j.apgeochem.2011.03.071.

Day-Lewis, F.D., Slater, L.D., Ntarlagiannis, R.D., and Lane, J.W., Jr., 2010,

Combining electrical imaging and distributed temperature sensing to characterize groundwater/surface-water interaction, in Near Surface 2010, 16th European Meeting of Environmental and Engineering Geophysics, Zurich, Switzerland, September 6-8, 2010: Houton, The Netherlands, European Association of Geoscientists and Engineers, p. 4.

Diehl, S.F., Hageman, P.L., Koenig, A.E., Seal Ii, R.R., Smith, K.S., Benzel, W.M., and Driscoll, R.L., 2010,

Techniques to understand metal leaching from ore minerals in mine-waste material, in Proceedings of the 2010 Society for Mining, Metallurgy and Exploration (SME) Annual Meeting and Exhibit, Phoenix, Arizona, February 28-March 3, 2010: Red Hook, NY, Curran Associates, Inc., p. 614-616, ISBN:9781617380822.

Jassby, A.D., and Cloern, J.E., 2010,

R package wq0.2-2--Exploring water quality monitoring data:

Nordstrom, D.K., McCleskey, R.B., and Ball, J.W., 2010,

Challenges in the analysis and interpretation of acidic waters, in Wolkersdorfer, C., and Freund, A., eds., International Mine Water Association Symposium--Mine Water and Innovative Thinking, Sydney, Nova Scotia: CBU Press, p. 379-383 (direct link to pdf).

Schmidt, T.S., Clements, W.H., Mitchell, K.A., Church, S.E., Wanty, R.B., Fey, D.L., Verplanck, P.L., and San Juan, C.A., 2010,

Development of a new toxic-unit model for the bioassessment of metals in streams: Environmental Toxicology and Chemistry, v. 29, no. 11, p. 2432-2442, doi:10.1002/etc.302.

Tiedeman, C.R., Lacombe, P.J., and Goode, D.J., 2010,

Multiple well-shutdown tests and site-scale flow simulation in fractured rocks: Ground Water, v. 48, no. 3, p. 401-415, doi:10.1111/j.1745-6584.2009.00651.x.

Berhanu, D., Dybowska, A., Misra, S.K., Stanley, C.J., Ruenraroengsak, P., Boccaccini, A.R., Tetley, T.D., Luoma, S.N., Plant, J.A., and Valsami-Jones, E., 2009,

Characterisation of carbon nanotubes in the context of toxicity studies: Environmental Health--A Global Access Science Source, v. 8, no. SUPPL. 1, doi:10.1186/1476-069X-8-S1-S3 (SUPPL. 1).

Ellefsen, K.J., 2009,

A comparison of phase inversion and traveltime tomography for processing near-surface refraction traveltimes: Geophysics, v. 74, no. 6, p. WCB11-WCB24, doi:10.1190/1.3196857.

Haack, S.K., Duris, J.W., Fogarty, L.R., Kolpin, D.W., Focazio, M.J., Furlong, E.T., and Meyer, M.T., 2009,

Comparing wastewater chemicals, indicator bacteria concentrations, and bacterial pathogen genes as fecal pollution indicators: Journal of Environmental Quality, v. 38, no. 1, p. 248-258, doi:10.2134/jeq2008.0173.

Jencso, K.G., McGlynn, B.L., Gooseff, M.N., Wondzell, S.M., Bencala, K.E., and Marshall, L.A., 2009,

Hydrologic connectivity between landscapes and streams--Transferring reach- and plot-scale understanding to the catchment scale: Water Resources Research, v. 45, no. 4, W04428, doi:10.1029/2008WR007225.

Metre, P.C.V., and Fuller, C.C., 2009,

Dual-core mass-balance approach for evaluating mercury and ²¹⁰Pb atmospheric fallout and focusing to lakes: Environmental Science and Technology, v. 43, no. 1, p. 26-32, doi:10.1021/es801490c.

Michel, R.L., 2009,

Radionuclides as tracers and timers in surface and groundwater (Chapter 5), in Klaus, F., ed., Environmental Radionuclides--Tracers and Timers of Terrestrial Processes--Radioactivity in the Environment: Elsevier, v. Volume 16, p. 139-230, ISBN:1569-4860.

Michel, R.L., Izbicki, J.A., McMahon, P.B., and Stonestrom, D.A., 2009,

Use of isotopes for the study of pollutant behaviour in the unsaturated zone at three semi-arid sites in the USA, in Aggarwal, P.K., and Kulkarni, K.M., eds., Application of Isotopes to the Assessment of Pollutant Behaviour in the Unsaturated Zone for Groundwater Protection: Vienna, Austria, International Atomic Energy Agency, IAEA-TECDOC-1618, p. 205-218.

Ong, J.T., White, E.A., Lane, J.W., Halihan, T., Jr., and Zlotnik, V.A., 2009,

Combined use of frequency-domain electromagnetic and electrical resistivity surveys to delineate the freshwater/saltwater interface near saline lakes in the Nebraska Sand Hills, Nebraska, USA, in Symposium on the Application of Geophysics to Engineering and Environmental Problems, Proceedings, Fort Worth, Texas, March 29 - April 2, 2009: Denver, Colo., Environmental and Engineering Geophysical Society, p. 10.

Sturchio, N.C., Caffee, M., Beloso Jr, A.D., Heraty, L.J., Böhlke, J.K., Hatzinger, P.B., Jackson, W.A., Gu, B., Heikoop, J.M., and Dale, M., 2009,

Chlorine-36 as a tracer of perchlorate origin: Environmental Science and Technology, v. 43, no. 18, p. 6934-6938, doi:10.1021/es9012195.

Walton-Day, K., and Poeter, E., 2009,

Investigating hydraulic connections and the origin of water in a mine tunnel using stable isotopes and hydrographs: Applied Geochemistry, v. 24, no. 12, p. 2266-2282, doi:10.1016/j.apgeochem.2009.09.015.

Busenberg, E., and Plummer, L.N., 2008,

Dating groundwater with trifluoromethyl sulfurpentafluoride (SF₅CF₃), sulfur hexafluoride (SF₆), CF₃Cl (CFC-13), and CF₂Cl₂ (CFC-12): Water Resources Research, v. 44, no. 2, W02431, doi:10.1029/2007wr006150.

Day-Lewis, F.D., and Singha, K., 2008,

Geoelectrical inference of mass transfer parameters using temporal moments: Water Resources Research, v. 44, W05201, doi:10.1029/2007WR006750.

Gebrekristos, R.A., Shapiro, A.M., and Usher, B.H., 2008,

In situ estimation of the effective chemical diffusion coefficient of a rock matrix in a fractured aquifer: Hydrogeology Journal, v. 16, no. 4, p. 629-639, doi:10.1007/s10040-007-0255-0.

Harvey, R.W., Metge, D.W., Shapiro, A.M., Renken, R.A., Osborn, C.L., Ryan, J.N., Cunningham, K.J., and Landkamer, L., 2008,

Pathogen and chemical transport in the karst limestone of the Biscayne aquifer--3. Use of microspheres to estimate the transport potential of Cryptosporidium parvum oocysts: Water Resources Research, v. 44, W08431, doi:10.1029/2007WR006060.

Kolker, A., Engle, M.A., Orem, W.H., Bunnell, J.E., Lerch, H.E., Krabbenhoft, D.P., Olson, M.L., and McCord, J.D., 2008,

Mercury, trace elements and organic constituents in atmospheric fine particulate matter, Shenandoah National Park, Virginia, USA--A combined approach to sampling and analysis: Geostandards and Geoanalytical Research, v. 32, no. 3, p. 279-293, doi:10.1111/j.1751-908X.2008.00913.x.

Konikow, L.F., Hornberger, G.Z., Putnam, L.D., Shapiro, A.M., and Zinn, B.A., 2008,

The use of groundwater age as a calibration target, in Refsgaard, J.C., Kovar, K., Haarder, E., and Nygaard, E., eds., Calibration and Reliability in Groundwater Modelling--Credibility of Modelling--Proceedings of ModelCARE 2007 Conference, Copenhagen, Denmark, September 9-13, 2007: IAHS-AISH Publication 320, p. 250-256.

Neuzil, C.E., and Konikow, L.F., 2008,

Reply to comment by T. N. Narasimhan on “A method to estimate groundwater depletion from confining layers”: Water Resources Research, v. 44, W06421, doi:10.1029/2008WR007084.

Niswonger, R.G., Prudic, D.E., Fogg, G.E., Stonestrom, D.A., and Buckland, E.M., 2008,

Method for estimating spatially variable seepage loss and hydraulic conductivity in intermittent and ephemeral streams: Water Resources Research, v. 44, W05418, doi:10.1029/2007WR006626.

Plummer, L.N., Busenberg, E., Eberts, S.M., Bexfield, L.M., Brown, C.J., Fahlquist, L.S., Katz, B.G., and Landon, M.K., 2008,

Low-level detections of halogenated volatile organic compounds in groundwater--Use in vulnerability assessments: Journal of Hydrologic Engineering, v. 13, no. 11, p. 1,049-1,068, doi:10.1061/(ASCE)1084-0699(2008)13:11(1049).

Weiss, J.V., and Cozzarelli, I.M., 2008,

Biodegradation in contaminated aquifers--Incorporating microbial/molecular methods: Ground Water, v. 46, no. 2, p. 305-322, doi:10.1111/j.1745-6584.2007.00409.x.

Croteau, M.-N., and Luoma, S.N., 2007,

Characterizing dissolved Cu and Cd uptake in terms of the biotic ligand and biodynamics using enriched stable isotopes: Environmental Science and Technology, v. 41, no. 9, p. 3140-3145, doi:10.1021/es0615122.

Harvey, R.W., Harms, H., and Landkamer, L., 2007,

Transport of microorganisms in the terrestrial subsurface--In situ and laboratory methods, in Hurst, C.J., and others, eds., Manual of Environmental Microbiology (3rd ed.): Washington, D.C., ASM Press, v. VI, ISBN:978-1-55581-379-6.

Hostettler, F.D., Wang, Y., Huang, Y., Cao, W., Bekins, B.A., Rostad, C.E., Kulpa, C.F., and Laursen, A., 2007,

Forensic fingerprinting of oil-spill hydrocarbons in a methanogenic environment-Mandan, ND and Bemidji, MN: Environmental Forensics, v. 8, no. 1, p. 139-153, doi:10.1080/15275920601180685.

Kimball, B.A., Walton-Day, K., and Runkel, R.L., 2007,

Quantification of metal loading by tracer injection and synoptic sampling, 1996-2000 (Chapter E9), in Church, S.E., von Guerard, P., and Finger, S.E., eds., Integrated Investigations of Environmental Effects of Historical Mining in the Animas River Watershed, San Juan County, Colorado: U.S. Geological Survey Professional Paper 1651, v. 1, p. 417-495.

Koh, D.C., Plummer, L.N., Busenberg, E., and Kim, Y., 2007,

Evidence for terrigenic SF6 in groundwater from basaltic aquifers, Jeju Island, Korea--Implications for groundwater dating: Journal of Hydrology, v. 339, no. 1-2, p. 93-104, doi:10.1016/j.jhydrol.2007.03.011.

Konikow, L.F., and Neuzil, C.E., 2007,

A method to estimate groundwater depletion from confining layers: Water Resources Research, v. 43, no. 7, W07417, doi:10.1029/2006WR005597.

Krabbenhoft, D.P., Engstrom, D., Gilmour, C., Harris, R., Hurley, J.P., and Mason, R.P., 2007,

Monitoring and evaluating trends in sediment and water indicators (Chapter 3), in Harris, R., and others, eds., Ecosystem responses to mercury contamination--Indicators of change: Boca Raton, Fla., CRC Press LLC, p. 47-82, ISBN:9780849388927.

Marksamer, A.J., Person, M.A., Day-Lewis, F.D., Lane, J.W., Cohen, D., Dugan, B., Kooi, H., and Willett, M., 2007,

Integrating geophysical, hydrochemical, and hydrologic data to understand the freshwater resources on Nantucket Island, Massachusetts, in Hyndman, D.W., Day-Lewis, F.D., and Singha, K., eds., Subsurface Hydrology--Data Integration for Properties and Processes: Washington, D.C., American Geophysical Union, Geophysical Monograph Series, p. 143-160, ISBN:978-0-87590-437-5.

Nimmo, J.R., Herkelrath, W.N., and Laguna Luna, A.M., 2007,

Physically based estimation of soil water retention from textural data--General framework, new models, and streamlined existing models: Vadose Zone Journal, v. 6, no. 4, p. 766-773, doi:10.2136/vzj2007.0019.

Pérez Catán, S., S., R.G., Marvin-DiPasquale, M., Magnavacca, C., Cohen, I.M., and Arribere, M., 2007,

Methodological considerations regarding the use of inorganic ¹⁹⁷Hg(II) radiotracer to assess mercury methylation potential rates in lake sediment: Applied Radiation and Isotopes, v. 65, no. 9, p. 987-997, doi:10.1016/j.apradiso.2007.04.010.

Rostad, C.E., and Hostettler, F.D., 2007,

Profiling refined hydrocarbon fuels using polar components: Environmental Forensics, v. 8, no. 1, p. 129-137, doi:10.1080/15275920601180677.

Shapiro, A.M., Hsieh, P.A., Burton, W.C., and Walsh, G.J., 2007,

Integrated multi-scale characterization of ground-water flow and chemical transport in fractured crystalline rock at the Mirror Lake Site, New Hampshire, in Hyndman, D.W., Day-Lewis, F.D., and Singha, K., eds., Subsurface Hydrology--Data Integration for Properties and Processes: Washington, D.C., American Geophysical Union, Geophysical Monograph Series, p. 201-225, ISBN:978-0-87590-437-5.

Smith, R.L., and Steve H. Harris, J., 2007,

Determining the terminal electron-accepting reaction in the saturated subsurface, in Hurst, C.J., and others, eds., Manual of Environmental Microbiology (3rd ed.): Washington, D.C., ASM Press, v. VI, ISBN:978-1-55581-379-6.

Sturchio, N.C., Böhlke, J.K., Beloso, A.D., Streger, S.H., Heraty, L.J., and Hatzinger, P.B., 2007,

Oxygen and chlorine isotopic fractionation during perchlorate biodegradation--Laboratory results and implications for forensics and natural attenuation studies: Environmental Science and Technology, v. 41, no. 8, p. 2,796-2,802, doi:10.1021/es0621849.

Williams, R.L., Mayer, K.U., Amos, R.T., Blowes, D.W., Ptacek, C.J., and Bain, J.G., 2007,

Using dissolved gas analysis to investigate the performance of an organic carbon permeable reactive barrier for the treatment of mine drainage: Applied Geochemistry, v. 22, no. 1, p. 90-108, doi:10.1016/j.apgeochem.2006.09.007.

Zinn, B.A., and Konikow, L.F., 2007,

Effects of intraborehole flow on groundwater age distribution: Hydrogeology Journal, v. 15, no. 4, p. 633-643, doi:10.1007/s10040-006-0139-8.

Barber, L.B., Murphy, S.F., Verplanck, P.L., Sandstrom, M.W., Taylor, H.E., and Furlong, E.T., 2006,

Chemical loading into surface water along a hydrological, biogeochemical, and land use gradient--A holistic watershed approach: Environmental Science and Technology, v. 40, no. 2, p. 475-486, doi:10.1021/es051270q.

Böhlke, J.K., 2006,

Tracemodel1 - Excel workbook for calculation and presentation of environmental tracer data for simple groundwater mixtures, in IAEA, ed., IAEA guidebook on the use of chlorofluorocarbons in hydrology, Appendix III: Vienna, International Atomic Energy Agency, p. 229-233, ISBN:92-0-100805-8.

Busenberg, E., and Plummer, L.N., 2006,

Potential use of other atmospheric gases (chapter 10), in IAEA, ed., Use of chlorofluorocarbons in hydrology--A guidebook: Vienna, International Atomic Energy Agency, p. 183-190.

Busenberg, E., Plummer, L.N., Cook, P.G., Solomon, D.K., Han, L.F., Gröning, M., and Oster, H., 2006,

Sampling and analytical methods (chapter 12), in IAEA, ed., Use of chlorofluorocarbons in hydrology--A guidebook: Vienna, International Atomic Energy Agency, p. 199-220.

Cook, P.G., Plummer, L.N., Solomon, D.K., Busenberg, E., and Han, L.F., 2006,

Effects and processes that can modify apparent CFC age (chapter 4), in IAEA, ed., Chlorofluorocarbons in hydrology--A guidebook: Vienna, International Atomic Energy Agency, p. 31-58, ISBN:92-0-100805-8.

Groffman, P.M., Altabet, M.A., Böhlke, J.K., Butterbach-Bahl, K., David, M.B., Firestone, M.K., Giblin, A.E., Kana, T.M., Nielsen, L.P., and Voytek, M.A., 2006,

Methods for measuring denitrification--Diverse approaches to a difficult problem: Ecological Applications, v. 16, no. 6, p. 2091-2122, doi:10.1890/1051-0761(2006)016[2091:MFMDDA]2.0.CO;2.

Han, L.F., Gröning, M., Plummer, L.N., and Solomon, D.K., 2006,

Comparison of the CFC technique with other techniques (3H, 3H/3He, 85Kr) (chapter 11), in IAEA, ed., Use of chlorofluorocarbons in hydrology--A guidebook: Vienna, International Atomic Energy Agency, p. 191-198.

Heilweil, V.M., and Hsieh, P.A., 2006,

Determining anisotropic permeability using a simplified Papadopulos method: Ground Water, v. 44, no. 5, p. 749-753, doi:10.1111/j.1745-6584.2006.00210.x.

Mitchell, M.J., Piatek, K.B., Christopher, S., Mayer, B., Kendall, C., and McHale, P., 2006,

Solute sources in stream water during consecutive fall storms in a northern hardwood forest watershed--A combined hydrological, chemical and isotopic approach: Biogeochemistry, v. 78, p. 217-246, doi:10.1007/s10533-005-4277-1.

Plummer, L.N., and Busenberg, E., 2006,

Chlorofluorocarbons in aquatic environments (chapter 1), in IAEA, ed., Use of chlorofluorocarbons in hydrology--A guidebook: Vienna, International Atomic Energy Agency, p. 1-8.

Plummer, L.N., and Busenberg, E., 2006,

Chlorofluorocarbons in the atmosphere (chapter 2), in IAEA, ed., Use of chlorofluorocarbons in hydrology--A guidebook: Vienna, International Atomic Energy Agency, p. 9-16.

Plummer, L.N., and Busenberg, E., 2006,

Principles of chlorofluorocarbon dating (chapter 3), in IAEA, ed., Use of chlorofluorocarbons in hydrology--A guidebook: Vienna, International Atomic Energy Agency, p. 17-29.

Plummer, L.N., Busenberg, E., Cook, P.G., Oster, H., Han, L.F., and Gröning, M., 2006,

Selected case studies using CFC data (chapter 9), in IAEA, ed., Use of chlorofluorocarbons in hydrology--A guidebook: Vienna, International Atomic Energy Agency, p. 135-182.

Plummer, L.N., Busenberg, E., and Han, L.F., 2006,

CFCs in binary mixtures of young and old groundwater (chapter 5), in IAEA, ed., Use of chlorofluorocarbons in hydrology--A guidebook: Vienna, International Atomic Energy Agency, p. 59-72.

Plummer, L.N., Busenberg, E., and Han, L.F., 2006,

Data interpretation in representative cases (chapter 8), in IAEA, ed., Use of chlorofluorocarbons in hydrology--A guidebook: Vienna, International Atomic Energy Agency, p. 105-134.

Reddy, M.M., Schuster, P., Kendall, C., and Reddy, M.B., 2006,

Characterization of surface and ground-water δ¹⁸O seasonal variation and its use for estimating groundwater residence times: Hydrological Processes, v. 20, no. 8, p. 1753-1772, doi:10.1002/hyp.5953.

Rostad, C.E., 2006,

Differential of commercial fuels based on polar components using negative electrospray ionization/mass spectrometry: Environmental Forensics, v. 7, no. 1, p. 5-14.

Singha, K., and Gorelick, S.M., 2006,

Effects of spatially variable resolution on field-scale estimates of tracer concentration from electrical inversions using Archie's law: Geophysics, v. 71, no. 3, p. G83-G91, doi:10.1190/1.2194900.

Smith, L.K., Voytek, M.A., Böhlke, J.K., and Harvey, J.W., 2006,

Denitrification in nitrate-rich streams--Application of N2:Ar and 15N-tracer methods in intact cores: Ecological Applications, v. 16, no. 6, p. 2191-2207, doi:10.1890/1051-0761(2006)016[2191:DINSAO]2.0.CO;2.

Solomon, D.K., Cook, P.G., and Plummer, L.N., 2006,

Models of groundwater ages and residence times (chapter 6), in IAEA, ed., Use of chlorofluorocarbons in hydrology--A guidebook: Vienna, International Atomic Energy Agency, p. 73-88.

Solomon, D.K., Plummer, L.N., Busenberg, E., and Cook, P.G., 2006,

Practical application of CFCs in hydrological investigations (chapter 7), in IAEA, ed., Use of chlorofluorocarbons in hydrology--A guidebook: Vienna, International Atomic Energy Agency, p. 89-104.

Wallenstein, M.D., Myrold, D.D., Firestone, M., and Voytek, M., 2006,

Environmental controls on denitrifying communities and denitrification rates--Insights from molecular methods: Ecological Applications, v. 16, no. 6, p. 2143-2152, doi:10.1890/1051-0761(2006)016[2143:ECODCA]2.0.CO;2.

Wankel, S.D., Kendall, C., Francis, C.A., and Paytan, A., 2006,

Nitrogen sources and cycling in the San Francisco Bay estuary--A nitrate dual isotopic composition approach: Limnology and Oceanography, v. 51, no. 4, p. 1654-1664 (Abstract).

White, A.F., Schulz, M.S., Vivit, D.V., Blum, A.E., and Stonestrom, D.A., 2006,

Controls on pore water solutes--An approach for distinguishing between biogenic and lithogenic processes: Journal of Geochemical Exploration, v. 88, no. 1-3, p. 363-366, doi:10.1016/j.gexplo.2005.08.076.

Andraski, B.J., Stonestrom, D.A., Michel, R.L., Halford, K.J., and Radyk, J.C., 2005,

Plant-based plume-scale mapping of tritium contamination in desert soils: Vadose Zone Journal, v. 4, p. 819-827, doi:10.2136/vzj2005.0052.

Bekins, B.A., Cozzarelli, I.M., and Curtis, G.P., 2005,

A simple method for calculating growth rates of petroleum hydrocarbon plumes: Ground Water, v. 0, no. 0, doi:10.1111/j.1745-6584.2005.00093.x.

Böhlke, J.K., Sturchio, N.C., Gu, B., Horita, J., Brown, G.M., Jackson, W.A., Batista, J.R., and Hatzinger, P.B., 2005,

Perchlorate isotope forensics: Analytical Chemistry, v. 77, no. 23, p. 7838-7842, doi:10.1021/ac051360d.

Carter, J.L., and Fend, S.V., 2005,

Setting limits--The development and use of factor-ceiling distributions for an urban assessment using macroinvertebrates, in Brown, L.R., Gray, R., Hughes, R.M., and Meador, M.R., eds., The effects of urbanization on stream ecosystems (Symposium 47), Bethesda, Maryland: American Fisheries Society.

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Empirical and deterministic methods for assessing monitored natural attenuation, in Proceedings of the In Situ and On-Site Bioremediation Eighth International Symposium, Baltimore, Maryland, June 6-9, 2005: Columbus, Ohio, Battelle Press, (Contact The Conference Group Inc. for information on the availability of the proceedings.).

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Use of soil moisture probes to estimate ground water recharge at an oil spill site: Journal of the American Water Resources Association, v. 41, no. 6, p. 1259-1277, doi:10.1111/j.1752-1688.2005.tb03799.x.

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Relationships of field habitat measurements, visual habitat indices and land cover to benthic macroinvertebrates in urbanized streams of the Santa Clara Valley, California, in Brown, L.R., Gray, R., Hughes, R.M., and Meador, M.R., eds., The effects of urbanization on stream ecosystems (Symposium 47), Bethesda, Maryland: American Fisheries Society.

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Comparison of Bacteroides-Prevotella 16S rRNA genetic markers for fecal samples from different animal species: Applied and Environmental Microbiology, v. 71, no. 10, p. 5999-6007, doi:10.1128/AEM.71.10.5999-6007.2005.

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Transport of chemical and microbial compounds from known wastewater dishcarges--Potential for use as indicators of human fecal contamination: Environmental Science and Technology, v. 39, no. 14, p. 5157-5169, doi:10.1021/es048120k.

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A computer program for predicting recharge with a master recession curve: U.S. Geological Survey Scientific Investigations Report 2005-5172, 8 p.

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Investigating surface water-well interaction using stable isotope ratios of water: Journal of Hydrology, v. 302, no. 1-4, p. 154-172, doi:10.1016/j.jhydrol.2004.07.010.

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A method for the use of landscape metrics in freshwater research and management: Landscape Ecology, v. 20, no. 1, p. 113-125, doi:10.1007/s10980-004-2261-0.

McMahon, P., Böhlke, J.K., Brown, C., Burow, K., Crandall, C., and Landon, M., 2005,

Use of isotopes, age-dating, and numerical simulation to evaluate source histories and transport of NO3- to public supply wells in principal aquifers of the United States, in Proceedings of the Sixth International Symposium on Applied Isotope Geochemistry, Prague, Czech Republic, September 11-16, 2005: p. 157-158 (CD-ROM).

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Aquifer recharge estimates based on unsaturated zone measurements, southern New Jersey: San Jose State University, M.S. thesis, 87 p.

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Dating of young groundwater, in Aggarwal, P.K., Gat, J.R., and Froehlich, K.F.O., eds., Isotopes in the water cycle--Past, present and future of a developing science: Dordrecht, The Netherlands, Springer, p. 193-220.

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Occurrence of diatoms in lakeside wells in northern New Jersey as an indicator of the effect of surface water on ground-water quality: U.S. Geological Survey Scientific Investigations Report 2005-5263, 13 p.

Shanley, J.B., Mayer, B., Mitchell, M.J., Michel, R.L., Bailey, S.W., and Kendall, C., 2005,

Tracing sources of streamwater sulfate during snowmelt using S and O isotope ratios of sulfate and ³⁵S activity: Biogeochemistry, v. 76, p. 161-185, doi:10.1007/s10533-005-2856-9.

Šimůnek, J., and Nimmo, J.R., 2005,

Estimating soil hydraulic parameters from transient flow experiments in a centrifuge using parameter optimization technique: Water Resources Research, v. 41, doi:10.1029/2004WR003379.

Singha, K., 2005,

Hydrogeophysical estimation of groundwater tracer concentrations from field-scale electrical resistivity tomography: Stanford, Calif., Stanford University, Department of Geological and Environmental Sciences, PhD thesis, 126 p.

Singha, K., and Gorelick, S.M., 2005,

Saline tracer visualized with electrical resistivity tomography--Field scale spatial moment analysis: Water Resources Research, v. 41, no. 5, W05023, doi:10.1029/2004WR003460.

Smith, R.L., Buckwalter, S.P., Repert, D.A., and Miller, D.N., 2005,

Small-scale, hydrogen-oxidizing-denitrifying bioreactor for treatment of nitrate-contaminated drinking water: Water Research, v. 39, no. 10, p. 2014-2023, doi:10.1016/j.watres.2005.03.024.

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Aqueous stability of gadolinium in surface waters receiving sewage treatment plant effluent, Boulder Creek, Colorado: Environmental Science and Technology, v. 39, no. 18, p. 6923-6929, doi:10.1021/es048456u.

Walker, C.E., Schrock, R.M., Reilly, T.J., and Baehr, A.L., 2005,

A direct immunoassay for detecting diatoms in ground water as an indicator of the direct influence of surface water: Journal of Applied Phycology, v. 17, no. 1, p. 81-90.

Winfield, K.A., 2005,

Development of property-transfer models for estimating the hydraulic properties of deep sediments at the Idaho National Engineering and Environmental Laboratory, Idahy: U.S. Geological Survey Scientific Investigations Report 2005-5114, 59 p.

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Nanobots--A new paradigm for hydrogeologic characterization?: Ground Water, v. 43, no. 4, p. 462, doi:10.1111/j.1745-6584.2005.0079.x.

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A mass balance approach to monitored natural attenuation, in Proceedings of the Fourth International Conference on Remediation of Chlorinated and Recalcitrant Compounds, Monterey, Calif., May 24-28, 2004: Columbus, Ohio, Battelle Press, (Contact The Conference Group Inc. for information on the availability of the proceedings.).

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Assessing the resolution-dependent utility of tomograms for geostatistics: Geophysical Research Letters, v. 31, no. 7, p. 4, L07503, doi:10.1029/2004GL019617.

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Combined interpretation of radar, hydraulic and tracer data from a fractured-rock aquifer near Mirror Lake, New Hampshire, USA: Hydrogeology Journal, v. 14, no. 1-2, p. 1-14, doi:10.1007/s10040-004-0372-y.

Ellis, A.S., Johnson, T.M., and Bullen, T.D., 2004,

Using chromium stable isotope ratios to quantify CR(VI) reduction - lack of sorption effects: Environmental Science and Technology, v. 38, p. 3604-3507, doi:10.1021/es0352294.

Engesgaard, P., Højberg, A.L., Hinsby, K., Jensen, K.H., Laier, T., Larsen, F., Busenberg, E., and Plummer, L.N., 2004,

Transport and time lag of chlorofluorocarbon gases in the unsaturated zone, Rabis Creek, Denmark: Vadose Zone Journal, v. 3, no. 4, p. 1249-1261, doi:10.2136/vzj2004.1249.

Green, A., Lane, J.W., Jr., Johnson, C.D., Williams, J.H., Mondazzi, R.A., and Joesten, P.K., 2004,

Combined use of borehole geophysics and packers to site potable wells in a contaminated area, in U.S. EPA/NGWA Fractured Rock Conference--State of the Science and Measuring Success in Remediation, Portland, Maine, September 13-15, 2004: National Ground Water Association.

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Gas-partitioning tracer test to qualify trapped gas during recharge: Ground Water, v. 42, no. 4, p. 589-600, doi:10.1111/j.1745-6584.2004.tb02627.x.

Johnson, C., Haeni, F.P., and Shapiro, A.M., 2004,

Integrated methods for characterizing a fractured-rock aquifer: Technology News and Trends (a newsletter issued by the USEPA Technology Innovation Program), no. 10, February 2004, p. 3-4.

Kochiss, C.S., 2004,

Numerical and physical modeling of the effects of temperature change on ground-penetrating radar: Storrs, University of Connecticut, unpublished Master's thesis, 82 p.

Kohler, M., Curtis, G.P., Meece, D.E., and Davis, J.A., 2004,

Methods for estimating adsorbed uranium(VI) and distribution coefficients of contaminated sediments: Environmental Science and Technology, v. 38, p. 240-247, doi:10.1021/es0341236.

Krabbenhoft, D., Gilmour, C., Orem, W., and Aiken, G., 2004,

Unraveling the complexities of mercury methylation in the Everglades--The use of mesocosms to test the effects of "new" mercury, sulfate, and dissolved organic carbon: Materials and Geoenvironment, v. 51, no. 2, p. 1150-1151.

Lane, J.W., Jr, Day-Lewis, F.D., Versteeg, R.J., and Casey, C.C., 2004,

Object-based inversion of Crosswell radar tomography data to monitor vegetable oil injection experiments: Journal of Environmental and Engineering Geophysics, v. 9, no. 2, p. 63-77.

Mishra, A., Ray, C., and Kolpin, D.W., 2004,

Use of qualitative and quantitative information in neural networks for assessing agricultural chemical contamination of domestic wells: Journal of Hydrologic Engineering, v. 9, no. 6, p. 502-511, doi:10.1061/(ASCE)1084-0699(2004)9:6(502).

Moench, A.F., 2004,

Importance of the vadose zone in analysis of unconfined aquifer tests: Ground Water, v. 42, no. 2, p. 223-233, doi:10.1111/j.1745-6584.2004.tb02669.x.

Parkhurst, D.L., Kipp, K.L., Engesgaard, P., and Charlton, S.R., 2004,

PHAST--A program for simulating ground-water flow, solute transport, and multicomponent geochemical reactions: U.S. Geological Survey Techniques and Methods, book 6, sec. A, chap. 8, 154 p.

Petty, J.D., Huckins, J.N., Alvarez, D.A., Brumbaugh, W.G., Cranor, W.L., Gale, R.W., Rastall, A.C., Jones-Lepp, T.L., Leiker, T.J., Rostad, C.E., and Furlong, E.T., 2004,

A holistic passive integrated sampling approach for assessing the presence and potential impacts of waterborne environmental contaminants: Chemosphere, v. 54, no. 6, p. 695-705, doi:10.1016/j.chemosphere.2003.08.015.

Shapiro, S.D., Busenberg, E., and Plummer, L.N., 2004,

The stability of chlorofluorocarbons (CFCs) in ground-water samples archived in borosilicate ampoules: U.S. Geological Survey Open-File Report 2004-1392, 30 p.

Stonestrom, D.A., Abraham, J.D., Andraski, B.J., Baker, R.J., Mayers, C.J., Michel, R.L., Prudic, D.E., Striegl, R.G., and Walvoord, M.A., 2004,

Monitoring radionuclide contamination in the unsaturated zone--Lessons learned at the Amargosa Desert Research Site, Nye County, Nevada, in Workshop on Long-term Performance Monitoring of Metals and Radionuclides in the Subsurface, Reston, Virginia, April 21-22, 2004: Florida State University, Tallahassee.

Stonestrom, D.A., and Constantz, J., 2004,

Using temperature to study stream-ground water exchanges: U.S. Geological Survey Fact Sheet 2004-3010, 4 p.

Su, G.W., Jasperse, J., Seymour, D., and Constantz, J., 2004,

Estimation of hydraulic conductivity in an alluvial system using temperature: Ground Water, v. 42, no. 6, p. 890-901, doi:10.1111/j.1745-6584.2004.t01-7-.x.

Vroblesky, D.A., Clinton, B.D., Vose, J.M., Casey, C.C., Harvey, G.J., and Bradley, P.M., 2004,

Ground water chlorinated ethenes in tree trunks--Case studies, influence of recharge, and potential degradation mechanism: Ground Water Monitoring and Remediation, v. 24, no. 3, p. 124-138.

Williams, J.H., and Johnson, C.D., 2004,

Acoustic and optical borehole-wall imaging for fractured-rock aquifer studies: Journal of Applied Geophysics, v. 55, no. 1-2, p. 151-159, doi:10.1016/j.jappgeo.2003.06.009.

Worrall, F., and Kolpin, D.W., 2004,

Aquifer vulnerability to pesticide pollution - combining soil, land-use and aquifer properties with molecular descriptors: Journal of Hydrology, v. 293, no. 1-4, p. 191-204, doi:10.1016/j.jhydrol.2004.01.013.

Bricker, O.P., Bowser, C.J., and Jones, B.F., 2003,

Mass balance approach to interpreting weathering reactions in watershed systems (chapter 4), in Drever, J.I., ed., Treatise on Geochemistry: Elsevier, v. 5 of 10 volumes, p. 119-132, ISBN:9780080437514.

Chapelle, F.H., Widdowson, M.A., Brauner, J.S., Mendez, E., and Casey, C.C., 2003,

Methodology for estimating times of remediation associated with monitored natural attenuation: U.S. Geological Survey Water-Resources Investigations Report 03-4057, 51 p.

Constantz, J., Tyler, S., and Kwicklis, E., 2003,

Temperature-profile methods for estimating percolation rates in arid environments: Vadose Zone Journal, v. 2, no. 1, p. 12-24, doi:10.2136/vzj2003.0012.

Eganhouse, R.P., and Pontolillo, J., 2003,

Reply to commentary on "Assessing the reliability of physico-chemical property data (Kow, Sw) for hydrophobic organic compounds--DDT and DDE as a case study: SETAC Globe (Learned Discourses), January-February.

Elias, D.A., Senko, J.M., and Krumholz, L.R., 2003,

A procedure for quantitation of total oxidized uranium for bioremediation studies: Journal of Microbiological Methods, v. 53, no. 3, p. 343-353.

Ellefsen, K.J., 2003,

seg2_edit--A program for editing and manipulating SEG-2 files: U.S. Geological Survey Open-File Report 03-141, 11 p.

Krabbenhoft, D.P., Orem, W.H., Aiken, G., and Gilmour, C., 2003,

Unraveling the complexities of mercury methylation in the Everglades--The use of mesocosms to test the effects of "new" mercury, sulfate, phosphate, and dissolved organic carbon, in Torres, A.E., and others, eds., U. S. Geological Survey Greater Everglades Science Program--2002 biennial report; including USGS abstracts of presentations made at the Joint science conference on Florida Bay and Greater Everglades Ecosystem Restoration (GEER), "From Kissimmee to the Keys": U.S. Geological Survey Open-File Report 2003-0054, p. 100_101.

Lane, J.W., Jr, Day-Lewis, F.D., Versteeg, R.J., and Casey, C.C., 2003,

Object-based inversion of crosswell radar tomography data to monitor vegetable oil injection experiments, in Proceedings of the Symposium on the Application of Geophysics to Engineering and Environmental Problems (SAGEEP), San Antonio, Texas, Proceedings, April 6-10, 2003: Environmental and Engineering Geophysics Society, p. 27, CD-ROM.

Leenheer, J.A., and Barber, L.B., 2003,

Hierarchal approach to organic matter characterization, in Schroeder, R.A., ed., Water-quality changes and organic-carbon characterization during recharge with recycled water at a research basin in Montebello Forebay, Los Angeles, California, 1991-1996 (Chapter 6): U.S. Geological Survey Water-Resources Investigations Report 03-4146, p. 57-60.

Leenheer, J.A., and Croué, J.-P., 2003,

Characterizing aquatic dissolved organic matter: Environmental Science and Technology, v. 37, no. 1, p. 18A-25A, doi:10.1021/es032333c.

Moench, A.F., 2003,

Estimation of hectare-scale soil-moisture characteristics from aquifer-test data: Journal of Hydrology, v. 281, no. 1-2, p. 82-95, doi:10.1016/S0022-1694(03)00202-6.

National Research Council, 2003,

Bioavailability of contaminants in soils and sediments--processes, tools, and applications: Washington, D.C., National Academy Press, 420 p.

Nimmo, J.R., 2003,

How fast does water flow in an unsaturated macropore? Evidence from field and lab experiments, in Alvarez-Benedi, J., and Marinero, P., eds., Estudios de la Zona No Saturada del Suelo, v. VI: Valladolid, Spain, Instituto Technologico de Castilla y Leon, p. 1-8.

Plummer, L.N., Böhlke, J.K., and Busenberg, E., 2003,

Approaches for ground-water dating, in Lindsey, B.D., and others, ed., Residence times and nitrate transport in ground water discharging to streams of the Chesapeake Bay Watershed: U.S. Geological Survey Water-Resources Investigations Report 03-4035, p. 12-24.

Rosenberry, D.O., Glaser, P.H., Siegel, D.I., and Weeks, E.P., 2003,

Use of hydraulic head to estimate volumetric gas content and ebullition flux in northern peatlands: Water Resources Research, v. 39, no. 3, p. 1066, doi:10.1029/2002WR001377.

Singha, K., 2003,

Scanning the earth to help predict the movement of contaminants in groundwater: Stanford University Stanford Earth Sciences Report Fall 2003, 4 p.

Worrall, F., and Kolpin, D.W., 2003,

Direct assessment of groundwater vulnerability from single observations of multiple contaminants: Water Resources Research, v. 39, no. 12, p. 1345-1352, 2002WR001212, doi:10.1029/2002WR001212.

Zielinski, R.A., Rice, C.A., and Otton, J.K., 2003,

Use of soil extracts to define the extent of brine-impacted soils and bedrock at oil production site "B", Osage-Skiatook Project, northeastern Oklahoma, in Sublette, K., ed., 9th International Petroleum Environmental Conference Special Session--Fate and Transport of Brine and Hydrocarbon Releases in Soils and Water, Northeast Oklahoma, Albuquerque, New Mexico, October 22-25, 2002: IPEC, p. 12 pages.

Barber, L.B., 2002,

Long term fate of organic micro-pollutants in the subsurface environment, Cape Cod, Massachusetts--From field studies to experimentation, in Aiken, G.R., and Kuniansky, E.L., eds., U.S. Geological Survey artificial Recharge Workshop Proceedings, Sacramento, California, April 2-4, 2002: U.S. Geological Survey Open-File Report 02-89, p. 34-37.

Burton, W.C., Plummer, L.N., Busenberg, E., Lindsey, B.D., and Gburek, W.J., 2002,

Influence of fracture anisotropy on ground water ages and chemistry, Valley and Ridge Province, Pennsylvania: Ground Water, v. 40, no. 3, p. 242-257, doi:10.1111/j.1745-6584.2002.tb02652.x.

Chang, C.C.Y., Kendall, C., Silva, S.R., Battaglin, W.A., and Campbell, D.H., 2002,

Nitrate stable isotopes--Tools for determining nitrate sources among different land uses in the Mississippi River Basin: Canadian Journal of Fisheries and Aquatic Sciences, v. 59, no. 12, p. 1874-1885, doi:10.1139/f02-153.

Coplen, T.B., Hopple, J.A., Böhlke, J.K., Peiser, H.S., Rieder, S.E., Krouse, H.R., Rosman, K.J.R., Ding, T., Vocke, R.D., Jr., Revesz, K.M., Lamberty, A., Taylor, P.D.P., and DeBievre, P., 2002,

Compilation of minimum and maximum isotope ratios of selected elements in naturally occurring terrestrial materials and reagents: U.S. Geological Survey Water-Resources Investigations Report 01-4222, 98 p.

Eganhouse, R.P., and Pontolillo, J., 2002,

Assessing the reliability of physico-chemical property data (Kow, Sw) for hydrophobic organic compounds--DDT and DDE as a case study: SETAC Globe (Learned Discourses), v. 3, no. 4 (July-August), p. 34-35.

Focazio, M.J., Reilly, T.E., Rupert, M.G., and Helsel, D.R., 2002,

Assessing ground-water vulnerability to contamination--Providing scientifically defensible information for decision makers: U.S. Geological Survey Circular 1224, 33 p.

Haitzer, M., Aiken, G.R., and Ryan, J.N., 2002,

Binding of mercury (II) to aquatic humic substances--The role of the mercury-to-DOM concentration ratio: Environmental Science and Technology, v. 36, no. 16, p. 3564-3570, doi:10.1021/es025699i.

Hostettler, F.D., and Kvenvolden, K.A., 2002,

Alkylcyclohexanes in environmental geochemistry: Environmental Forensics, v. 3, no. 3-4, p. 293-301, doi:10.1006/enfo.2002.0100.

Lane, J.W., Jr., Williams, J.H., Johnson, C.D., Sr. Savino, D.-M., and Haeni, F.P., 2002,

An integrated geophysical and hydraulic investigation to characterize a fractured-rock aquifer, Norwalk, Connecticut: U.S. Geological Survey Water-Resources Investigations Report 01-4133, 97 p.

McIsaac, G.F., David, M.B., Gertner, G.Z., and Goolsby, D.A., 2002,

Relating net nitrogen input in the Mississippi River Basin to nitrate flux in the Lower Mississippi River--A comparison of approaches: Journal of Environmental Quality, v. 31, no. 5, p. 1610-1622, doi:10.2134/jeq2002.1610.

Nimmo, J.R., 2002,

Guidelines for method selection (water retention and storage), in Dane, J.H., and Topp, G.C., eds., Methods of Soil Analysis, Part 4, Physical Methods: Madison, Wisconsin, Soil Science Society of America, p. 716-720.

Nimmo, J.R., 2002,

Property transfer from particle and aggregate size to water retention [property-transfer models], in Dane, J.H., and Topp, G.C., eds., Methods of Soil Analysis, Part 4, Physical Methods: Madison, Wisconsin, Soil Science Society of America, p. 777-782.

Runkel, R.L., 2002,

A new metric for determining the importance of transient storage: Journal of the North American Benthological Society, v. 21, no. 4, p. 529-543.

Thorstenson, D.C., and Parkhurst, D.L., 2002,

Calculation of individual isotope equilibrium constants for implementation in geochemical models: U.S. Geological Survey Water-Resources Investigations Report 02-4172, 129 p.

Verstraeten, I.M., Böhlke, J.K., Kraemer, T.F., and Cannia, J., 2002,

Use of environmental tracers and isotopes to evaluate sources of water, nitrate, and uranium in an irrigated alluvial valley, Nebraska: U.S. Geological Survey Fact Sheet 100-01, 4 p.

Williams, J.H., Lane, J.W., Jr., Singha, K., and Haeni, F.P., 2002,

Application of advanced geophysical logging methods in the characterization of a fractured-sedimentary bedrock aquifer, Vertura County, California: U.S. Geological Survey Water-Resources Investigations Report 00-4083, 28 p.

Day-Lewis, F.D., Lane Jr., J.W., Hsieh, P.A., and Gorelick, S.M., 2001,

Characterization of fractured-rock aquifers using radar, tracer, and hydraulic data, in Fractured Rock 2001 Conference, Proceedings, Toronto, Ontario, March 26-28, 2001: CD-ROM.

Eganhouse, R.P., Cozzarelli, I.M., Scholl, M.A., and Matthews, L.L., 2001,

Natural attenuation of volatile organic compounds (VOCs) in the leachate plume of a municipal landfill--Using alkylbenzenes as process probes: Ground Water, v. 39, no. 2, p. 192-202.

Haeni, F.P., Lane, J.W., Williams, J.W., and Johnson, C.D., 2001,

Use of a geophysical toolbox to characterize ground-water flow in fractured rock, in Fractured Rock 2001 Conference, Proceedings, Toronto, Ontario, March 26-28, 2001: CD-ROM.

Harvey, R.W., and Harms, H., 2001,

Transport of microorganisms in the terrestrial subsurface--In situ and laboratory methods, in Hurst, C.J., and others, eds., Manual of Environmental Microbiology (2nd ed.): Washington, ASM Press, p. 753-776.

Johnson, C.D., Haeni, F.P., and Lane, J.W., 2001,

Importance of discrete-zone monitoring systems in fractured-bedrock wells - a case study for the University of Connecticut landfill, Storrs, Connecticut, in Fractured Rock 2001 Conference, Proceedings, Toronto, Ontario, March 26-28, 2001: CD-ROM.

Johnson, C.D., Lane, J.W., Jr., Williams, J.H., and Haeni, F.P., 2001,

Application of geophysical methods to delineate contamination in fractured rock at the University of Connecticut landfill, Storrs, Connecticut, in Symposium on the Application of Geophysics to Engineering and Environmental Problems, Denver, Colorado, March 4-7, 2001: Wheat Ridge, Colo., Environmental and Engineering Geophysical Society, p. CD-ROM.

Lane, J.W., Jr., Williams, J.H., Johnson, C.D., Sr. Savino, D.-M., and Haeni, F.P., 2001,

Application of a geophysical "tool-box" approach to characterization of fractured-rock aquifers--a case study from Norwalk, Connecticut, in Symposium of the Application of Geophysics to Engineering and Environmental Problems, Denver, Colorado, March 4-7, 2001: Wheat Ridge, Colo., Environmental and Engineering Geophysical Society, p. CD-ROM.

Meyer, M.T., Thurman, E.M., and Goolsby, D.A., 2001,

Differentiating nonpoint sources of deisopropylatrazine in surface water using discrimination diagrams: Journal of Environmental Quality, v. 30, no. 5, p. 1836-1843, doi:10.2134/jeq2001.3051836x.

Moench, A.F., Garabedian, S.P., and LeBlanc, D.R., 2001,

Estimation of hydraulic parameters from an unconfined aquifer test conducted in a glacial outwash deposit, Cape Cod, Massachusetts: U.S. Geological Survey Professional Paper 1629, 69 p.

Ortiz, R.F., and Bencala, K.E., 2001,

Determination of instream metal loads using tracer-injection and synoptic-sampling techniques in Wightman Fork, southwestern Colorado, September 1997: U.S. Geological Survey Water-Resources Investigations Report 00-4154, 26 p.

Pabich, W.J., 2001,

Denitrification of anthropogenic nitrogen in groundwater--Measurement and modeling using stable isotopic and mass balance approaches: Cambridge, Massachusetts Institute of Technology, Department of Civil and Environmental Engineering, unpublished Ph.D. thesis, 188 p.

Plummer, L.N., Busenberg, E., Böhlke, J.K., Nelms, D.L., Michel, R.L., and Schlosser, P., 2001,

Groundwater residence times in Shennandoah National Park, Blue Ridge Mountains, Virginia, USA--A multi-tracer approach: Chemical Geology, v. 179, p. 92-111.

Pontolillo, J., and Eganhouse, R.P., 2001,

The search for reliable aqueous solubility (S_w) and octanol-water partition coefficient (K_ow) data for hydrophobic organic compounds--DDT and DDE as a case study: U.S. Geological Survey Water-Resources Investigations Report 01-4201, 51 p.

Savoie, J.G., Lane, J.W., Jr., and Joesten, P.K., 2001,

Cross-hole radar method monitors PRB installation: Ground Water Currents, no. 42, p. 3-4.

Shapiro, A.M., 2001,

Characterizing ground-water chemistry and hydraulic properties of fractured-rock aquifers using the multifunction bedrock-aquifer transportable testing tool (BAT3): U.S. Geological Survey Fact Sheet FS-075-01, 4 p.

Thurman, E.M., Zimmerman, L.R., Aga, D.S., and Gilliom, R.J., 2001,

Regional water-quality analysis of 2,4-D and dicamba in river water using gas chromatography - isotope dilution mass spectrometry: International Journal of Environmental Analytical Chemistry, v. 79, no. 3, p. 185-198.

Tiedeman, C.R., Hill, M.C., D'Agnese, F.A., and Faunt, C.C., 2001,

Identifying model parameters important to preductions for guiding hydrogeologic data collection, in Proceedings, MODFLOW-2001, Golden, Colorado, September 2001: p. 195-201.

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Assessing an open-well aquifer test in fractured crystalline rock: Ground Water, v. 39, no. 1, p. 68-78, doi:10.1111/j.1745-6584.2001.tb00352.x.

Worrall, F., 2001,

A molecular topology approach to predicting pesticide pollution of groundwater: Environmental Science and Technology, v. 35, no. 11, p. 2282-2287, doi:10.1021/es001593g.

Baker, R.J., Baehr, A.L., and Lahvis, M.A., 2000,

Estimation of hydrocarbon biodegradation rates in gasoline-contaminated sediment from measured respiration rates: Journal of Contaminant Hydrology, v. 41, no. 1-2, p. 175-192, doi:10.1016/S0169-7722(99)00063-7.

Boyle, T.P., and Gustina, G.W., 2000,

A strategy for use of multivariate methods of analysis of benthic macroinvertebrate communities to assess mine-related ecological stress, in Proceedings of the Fifth International Conference on Acid Rock Drainage, Denver, Colorado, May 21-24, 2000: Littleton, Colo., Society for Mining, Metallurgy, and Exploration, p. 1425-1432.

Busenberg, E., and Plummer, L.N., 2000,

Dating young groundwater with sulfur hexafluoride--Natural and anthropogenic sources of sulfur hexafluoride: Water Resources Research, v. 36, no. 10, p. 3011-3030, 2000WR900151, doi:10.1029/2000WR900151.

Chapelle, F.H., Robertson, J.F., Landmeyer, J.E., and Bradley, P.M., 2000,

Methodology for applying monitored natural attenuation to petroleum hydrocarbon-contaminated ground-water systems with examples from South Carolina: U.S. Geological Survey Water-Resources Investigations Report 00-4161, 47. A 3 1/2" disk is included p.

Cleasby, T.E., Nimick, D.A., and Kimball, B.A., 2000,

Quantification of metal loads by tracer-injection and synoptic-sampling methods in Cataract Creek, Jefferson County, Montana: U.S. Geological Survey Water-Resources Investigations Report 00-4237, 39 p.

Cozzarelli, I.M., Suflita, J.M., Ulrich, G.A., Harris, S.H., Scholl, M.A., Schlottmann, J.L., and Christenson, S., 2000,

Geochemical and microbiological methods for evaluating anaerobic processes in an aquifer contaminated by landfill leachate: Environmental Science and Technology, v. 34, no. 18, p. 4025-4033, doi:10.1021/es991342b.

Day-Lewis, F.D., Hsieh, P.A., and Gorelick, S.M., 2000,

Identifying fracture-zone geometry using simulated annealing and hydraulic-connection data: Water Resources Research, v. 36, no. 7, p. 1707-1721, 2000WR900073, doi:10.1029/2000WR900073.

Duff, J.H., Toner, B., Jackman, A.P., and Triska, F.J., 2000,

Determination of groundwater discharge into a sand and gravel bottom river--A preliminary comparison of chloride dilution and seepage meter techniques: Internationale Vereinigung fur Theoretische und Angewandte Limnologie, v. 27, p. 1-6.

Ellefsen, K.J., 2000,

check_picks_x -- A program for checking the travel time picks of crosswell seismic and radar data: U.S. Geological Survey Open-File Report 00-109.

Lane, J.W., Day-Lewis, F.D., Harris, J.M., Haeni, F.P., and Gorelick, S.M., 2000,

Attenuation-difference radar tomography--results of a multiple-plane experiment at the U.S. Geological Survey fractured-rock research site, Mirror Lake, New Hampshire, in Noon, D.A., Stickley, G.F., and Longstaff, D., ed., GPR 2000, Proceedings of the Eighth International Conference on Ground Penetrating Radar, Gold Coast, Australia, May 23-26, 2000: Queensland, Australia, University of Queensland, p. 666-675.

Lane, J.W., Jr., Buursink, M.L., Haeni, F.P., and Versteeg, R.J., 2000,

Evaluation of ground-penetrating radar to detect free-phase hydrocarbons in fractured rocks--Results of numerical modeling and physical experiments: Ground Water, v. 38, no. 6, p. 929-938, doi:10.1111/j.1745-6584.2000.tb00693.x.

Moench, A.F., Garabedian, S.P., and LeBlanc, D.R., 2000,

Estimation of hydraulic parameters from an unconfined aquifer test conducted in a glacial outwash deposit, Cape Cod, Massachusetts: U.S. Geological Survey Open-File Report 00-485.

Paillet, F.L., 2000,

A field technique for estimating aquifer parameters using flow log data: Ground Water, v. 38, no. 4, p. 510-511, doi:10.1111/j.1745-6584.2000.tb00243.x.

Paillet, F.L., 2000,

Using borehole wireline methods to delineate fracture flow paths in bedrock aquifers (chapter 7), in Inyang, H.I., and Bruell, C.J., ed., Remediation in Rock Masses: Reston, Virginia, American Society of Civil Engineers Press, p. 83-100.

Scribner, E.A., Thurman, E.M., and Zimmerman, L.R., 2000,

Analysis of selected herbicide metabolites in surface and ground water of the United States: The Science of the Total Environment, v. 248, no. 2-3, p. 157-167, doi:10.1016/S0048-9697(99)00539-2.

Shapiro, A.M., and Oki, D.S., 2000,

Estimating formation properties from early-time oscillatory water levels in a pumped well: Journal of Hydrology, v. 236, no. 1-2, p. 91-108, doi:10.1016/S0022-1694(00)00283-3.

Singha, K., Kimball, K., and Lane, J.W., 2000,

Borehole-radar methods--Tools for characterization of fractured rock: U.S. Geological Survey Fact Sheet FS-054-00, 4 p.

Talma, A.S., Weaver, J.M.C., Plummer, L.N., and Busenberg, E., 2000,

CFC tracing of groundwater in fractured rock aided with 14C and 3H to identify water mixing, in Sililo, O., ed., Groundwater--Past achievements and future challenges: Rotterdam, A.A. Balkema, p. 635-640.

Woodbury, A.D., and Rubin, Y., 2000,

A full-Bayesian approach to parameter inference from tracer travel time moments and investigation of scale effects at the Cape Cod experimental site: Water Resources Research, v. 36, no. 1, p. 159-171, 1999WR900273, doi:10.1029/1999WR900273.

Zhang, M., Takahashi, M., Morin, R.H., and Esaki, T., 2000,

Evaluation and application of the transient-pulse technique for determining the hydraulic properties of low permeability rocks - Part 1. Theoretical evaluation: Geotechnical Testing Journal, v. 23, no. 1, p. 83-91, GTJ11126J, doi:10.1520/GTJ11126J.

Zhang, M., Takahashi, M., Morin, R.H., and Esaki, T., 2000,

Evaluation and application of the transient-pulse technique for determining the hydraulic properties of low permeability rocks--Part 2. Experimental application: Geotechnical Testing Journal, v. 23, no. 1, p. 91-99, GTJ23110, doi:10.1520/GTJ11127J.

Baehr, A.L., Kauffman, L.J., Charles, E.G., Baker, R.J., Stackelberg, P.E., Ayers, M.A., and Zapecza, O.S., 1999,

Sampling throughout the hydrologic cycle to characterize sources of volatile organic compounds in ground water, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, South Carolina, March 8-12, 1999--Volume 3 of 3--Subsurface Contamination from Point Sources: U.S. Geological Survey Water-Resources Investigations Report 99-4018C, p. 21-35.

Ellefsen, K.J., 1999,

pick_xwell -- A program for interactive picking of crosswell seismic and radar data: U.S. Geological Survey Open-File Report 99-534.

Ellefsen, K.J., and Leith, W., 1999,

Processing of seismic tomography data collected at Tunnel 160, Degelen Mountain, Kazakhstan: U.S. Geological Survey Open-File Report 99-532, 17 p.

Glynn, P.D., Busenberg, E., and Brown, J.G., 1999,

Use of chlorofluorocarbons, dissolved gases, and water isotopes to characterize ground-water recharge in an aquifer contaminated by acidic, metal-laden wastewater, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, South Carolina, March 8-12, 1999--Volume 1 of 3--Contamination from Hardrock Mining: U.S. Geological Survey Water-Resources Investigations Report 99-4018A, p. 155-162.

Goode, D.J., Busenberg, E., Plummer, L.N., Shapiro, A.M., and Vroblesky, D.A., 1999,

CFC's in the unsaturated zone and in shallow ground water at Mirror Lake, New Hampshire, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, South Carolina, March 8-12, 1999--Volume 3 of 3--Subsurface Contamination from Point Sources: U.S. Geological Survey Water-Resources Investigations Report 99-4018C, p. 809-820.

Haack, S.K., and Reynolds, L.A., 1999,

Using molecular approaches to describe microbial populations at contaminated sites, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, South Carolina, March 8-12, 1999--Volume 3 of 3--Subsurface Contamination from Point Sources: U.S. Geological Survey Water-Resources Investigations Report 99-4018C, p. 593-599.

Kendall, C., Battaglin, W.A., Cabana, G., Chang, C.C., Silva, S.R., Porter, S.D., Goolsby, D.A., Campbell, D.H., Hooper, R.P., and Schmitt, C.J., 1999,

Isotopic tracing of nitrogen sources and cycling in the Mississippi River Basin, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, South Carolina, March 8-12, 1999--Volume 2 of 3--Contamination of Hydrologic Systems and Related Ecosystems: U.S. Geological Survey Water-Resources Investigations Report 99-4018B, p. 339-343.

Kimball, B.A., Nimick, D.A., Gerner, L.J., and Runkel, R.L., 1999,

Quantification of metal loading in Fisher Creek by tracer injection and synoptic sampling, Park County, Montana, August 1997: U.S. Geological Survey Water-Resources Investigations Report 99-4119, 40 p.

Kimball, B.A., Runkel, R.L., Bencala, K.E., and Walton-Day, K.E., 1999,

Use of tracer-injection and synoptic-sampling studies to quantify effects of metal loading from mine drainage, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, South Carolina, March 8-12, 1999--Volume 1 of 3--Contamination from Hardrock Mining: U.S. Geological Survey Water-Resources Investigations Report 99-4018A, p. 31-36.

Kuwabara, J.S., van Geen, A., McCorkle, D.C., Bernhard, J.M., Zheng, Y., and Topping, B.R., 1999,

Redox gradients in the vicinity of the Santa Barbara Basin--Application of techniques developed within the San Francisco Bay Toxics Study, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, South Carolina, March 8-12, 1999--Volume 2 of 3--Contamination of Hydrologic Systems and Related Ecosystems: U.S. Geological Survey Water-Resources Investigations Report 99-4018B, p. 121-130.

Lane, J.W., Jr., Joesten, P.K., and Savoie, J.G., 1999,

Monitoring a permeable reactive iron wall installation in unconsolidated sediments by using a cross-hole radar method, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, South Carolina, March 8-12, 1999--Volume 3 of 3--Subsurface Contamination from Point Sources: U.S. Geological Survey Water-Resources Investigations Report 99-4018C, p. 439-445.

Lane, J.W., Jr., Wright, D.L., and Haeni, F.P., 1999,

Borehole radar tomography using saline tracer injections to image fluid flow in fractured rock, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, South Carolina, March 8-12, 1999--Volume 3 of 3--Subsurface Contamination from Point Sources: U.S. Geological Survey Water-Resources Investigations Report 99-4018C, p. 747-756.

Leib, K.J., Wright, W.G., and Mast, M.A., 1999,

Using flood-analysis techniques to estimate dissolved-zinc concentrations, in Tailings and Mine Waste '99: Rotterdam, A.A. Balkema, p. 633-638.

McCobb, T.D., LeBlanc, D.R., and Hess, K.M., 1999,

Determination of temporal and spatial variability of hydraulic gradients in an unconfined aquifer using three-point triangulation, Cape Cod, Massachusetts, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, South Carolina, March 8-12, 1999--Volume 3 of 3--Subsurface Contamination from Point Sources: U.S. Geological Survey Water-Resources Investigations Report 99-4018C, p. 349-360.

Paillet, F.L., 1999,

Geophysical reconnaissance in bedrock boreholes--Finding and characterizing the hydraulically active fractures, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, South Carolina, March 8-12, 1999--Volume 3 of 3--Subsurface Contamination from Point Sources: U.S. Geological Survey Water-Resources Investigations Report 99-4018C, p. 725-733.

Paillet, F.L., Hite, L., and Carlson, M., 1999,

Integrating surface and borehole geophysics in ground water studies - an example using electromagnetic soundings in south Florida: Journal of Environmental and Engineering Geophysics, v. 4, no. 1, p. 45-55.

Paillet, F.L., and Lane, J.W., Jr, 1999,

Integrating surface and borehole geophysics--Examples based on electromagnetic sounding, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, South Carolina, March 8-12, 1999--Volume 3 of 3--Subsurface Contamination from Point Sources: U.S. Geological Survey Water-Resources Investigations Report 99-4018C, p. 715-723.

Plummer, L.N., and Busenberg, E., 1999,

Chlorofluorocarbons, in Cook, P., and Herczeg, A., eds., Environmental tracers in subsurface hydrology, chapter 15: Kluwer Academic Press, p. 441-478.

Plummer, L.N., and Friedman, L.C., 1999,

Tracing and dating young ground water: U.S. Geological Survey Fact Sheet 134-99, 4 p.

Powers, C.J., Singha, K., and Haeni, F.P., 1999,

Integration of surface geophysical methods for fracture detection in bedrock at Mirror Lake, New Hampshire, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, South Carolina, March 8-12, 1999--Volume 3 of 3--Subsurface Contamination from Point Sources: U.S. Geological Survey Water-Resources Investigations Report 99-4018C, p. 757-768.

Savoie, J.G., 1999,

Analysis of carbon isotopes, determination of ground-water age, and estimated characteristics of the contaminant source at two fuel-spill plumes, western Cape Cod, Massachusetts, 1996: U.S. Geological Survey Water-Resources Investigations Report 98-4112, 21 p.

Schlottman, J.L., Scholl, M.A., and Cozzarelli, I.M., 1999,

Identifying ground-water and evaporated surface-water interactions near a landfill using Deuterium, ¹⁸Oxygen, and Chloride, Norman, Oklahoma, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, South Carolina, March 8-12, 1999--Volume 3 of 3--Subsurface Contamination from Point Sources: U.S. Geological Survey Water-Resources Investigations Report 99-4018C, p. 509-520.

Scribner, E.A., Thurman, E.M., and Zimmerman, L.R., 1999,

Analysis of selected herbicide metabolites in surface and ground water of the United States, in Daniel, B.J., ed., Proceedings of the Twenty-ninth Mississippi Water Resources Conference, Raymond, Mississippi, April 7-8, 1999: Mississippi Water Resources Research Institute, p. 110-119.

Scribner, E.A., Thurman, E.M., and Zimmerman, L.R., 1999,

Analysis of selected herbicide metabolites in surface and ground water of the United States, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, South Carolina, March 8-12, 1999--Volume 2 of 3--Contamination of Hydrologic Systems and Related Ecosystems: U.S. Geological Survey Water-Resources Investigations Report 99-4018B, p. 355-365.

Shapiro, A.M., Hsieh, P.A., and Haeni, F.P., 1999,

Integrating multidisciplinary investigations in the characterization of fractured rock, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, South Carolina, March 8-12, 1999--Volume 3 of 3--Subsurface Contamination from Point Sources: U.S. Geological Survey Water-Resources Investigations Report 99-4018C, p. 669-680.

Shapiro, A.M., Lane, J.W., Jr, and Olimpio, J.R., 1999,

Borehole packers for in situ geophysical and microbial investigations in fractured rock, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, South Carolina, March 8-12, 1999--Volume 3 of 3--Subsurface Contamination from Point Sources: U.S. Geological Survey Water-Resources Investigations Report 99-4018C, p. 841-845.

Shapiro, S.D., LeBlanc, Denis, Schlosser, Peter, and Ludin, Andrea, 1999,

Characterizing a sewage plume using the 3H-3He dating: Ground Water, v. 37, no. 6, p. 861-878, doi:10.1111/j.1745-6584.1999.tb01185.x.

Sueker, J.K., Turk, J.T., and Michel, R.L., 1999,

Use of cosmogenic sulfur-35 for comparing ages of water from three alpine-subalpine basins in the Colorado Front Range: Geomorphology, v. 27, p. 61-74.

Tiedeman, C.R., and Hsieh, P.A., 1999,

Analysis of an open-hole aquifer test in fractured crystalline rock, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, South Carolina, March 8-12, 1999--Volume 3 of 3--Subsurface Contamination from Point Sources: U.S. Geological Survey Water-Resources Investigations Report 99-4018C, p. 783-793.

Topping, B.R., and Kuwabara, J.S., 1999,

Flow-injection - ICP-MS method applied to benthic flux studies of San Francisco Bay, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, South Carolina, March 8-12, 1999--Volume 2 of 3--Contamination of Hydrologic Systems and Related Ecosystems: U.S. Geological Survey Water-Resources Investigations Report 99-4018B, p. 131-134.

Wagner, B.J., and Harvey, J.W., 1999,

Evaluating the ability of tracer tests to quantify reactive solute transport in stream-aquifer systems, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, South Carolina, March 8-12, 1999--Volume 1 of 3--Contamination from Hardrock Mining: U.S. Geological Survey Water-Resources Investigations Report 99-4018A, p. 201-209.

Wershaw, R.L., Leenheer, J.A., and Kennedy, K.R., 1999,

Use of 13C NMR and FTIR for elucidation of degradation pathways during senescence and litter decomposition of Aspen leaves, in Davies, C., and Ghabbour, E.A., eds., Understanding humic substances--Advanced methods, properties and applications: Cambridge, England, Royal Society of Chemistry, p. 19-30.

Wood, W.W., 1999,

Use and misuse of the chloride-mas balance method in estimating ground water recharge: Ground Water, v. 37, no. 1, p. 2-3, doi:10.1111/j.1745-6584.1999.tb00949.x.

Wright, W.G., and Nordstrom, D.K., 1999,

Oxygen isotopes of dissolved sulfate as a tool to distinguish natural and mining-related dissolved constituents, in Morganwalp, D.W., and Buxton, H.T., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the Technical Meeting, Charleston, South Carolina, March 8-12, 1999--Volume 1 of 3--Contamination from Hardrock Mining: U.S. Geological Survey Water-Resources Investigations Report 99-4018A, p. 67-73.

Wright, W.G., and Nordstrom, D.K., 1999,

Oxygen isotopes of dissolved sulfate as a tool to distinguish natural and mining-related dissolved constituents, in Tailings and Mine Waste '99: Rotterdam, A.A. Balkema, p. 671-678.

Bullen, T.D., and Kendall, C., 1998,

Tracing of weathering reactions and water flowpaths--A multi-isotope approach, in Kendall, C., and McDonnell, J.J., eds., Isotope Tracers in Catchment Hydrology: Amsterdam, Elsevier, p. 611-646.

Ellefsen, K.J., 1998,

Tomographic inversion of P-wave travel times for a weakly anisotropic medium, in Proceedings of the 4th SEGJ International Symposium, Tokyo, Japan, December 10-12, 1998: Tokyo, Japan Society of Exploration Geophysics, p. 91-96.

Garges, J.A., and Baehr, A.L., 1998,

Type curves to determine the relative importance of advection and dispersion for solute and vapor transport: Ground Water, v. 36, no. 6, p. 959-965, doi:10.1111/j.1745-6584.1998.tb02102.x.

Hsieh, P.A., 1998,

Scale effects in fluid flow through fractured geologic media, in Sposito, G., ed., Scale Dependence and Scale Invariance in Hydrology: Cambridge, Cambridge University Press, p. 335-353.

Hunt, R.J., Bullen, T.D., Krabbenhoft, D.P., and Kendall, C., 1998,

Using stable isotopes of water and strontium to investigate the hydrology of a natural and a constructed wetland: Ground Water, v. 36, no. 3, p. 434-443, doi:10.1111/j.1745-6584.1998.tb02814.x.

Jones, B.F., Vengosh, A., Rosenthall, E., and Yechieli, Y., 1998,

Geochemical investigations (chapter 2), in Bear, J., and others, eds., Seawater intrusion in coastal aquifers--Concepts, methods, and practices: Amsterdam, Kluwer Academic Publishers, p. 43-63.

Kendall, C., 1998,

Review of "Environmental isotopes in hydrogeology" by Clark and Fritz: Ground Water, v. 36, no. 4, p. 550.

Kendall, C., and Caldwell, E.A., 1998,

Fundamentals of isotope geochemistry, Chapter 2, in Kendall, C., and McDonnell, J.J., eds., Isotope tracers in catchment hydrology: Amsterdam, Elsevier, p. 51-86.

Lane, J.W., Jr., Haeni, F.P., and Day-Lewis, F.D., 1998,

Use of time-lapse attenuation-difference tomography methods to monitor saline tracer transport in fractured crystalline bedrock, in Seventh International Conference on Ground Penetrating Radar, GPR '98, Proceedings, Lawrence Kansas, May 27-30, 1998: Lawrence, Kans., Radar Systems and Remote Sensing Laboratory at the University of Kansas, p. 533-538.

Lane, J.W., Jr., Haeni, F.P., and Versteeg, R., 1998,

Use of multi-offset borehole radar reflection methods in fractured crystalline bedrock at Mirror Lake, Grafton County, New Hampshire, in Bell, R.S., Powers, M.H., and Larson, T., eds., Symposium on the Application of Geophysics to Environmental and Engineering Problems, SAGEEP '98, Proceedings, Chicago, Ill., March 22-26, 1998: Wheat Ridge, Colo., Environmental and Engineering Geophysical Society, p. 359-368.

Luoma, S.N., 1998,

The developing framework of marine exotoxicology--Pollutants as a variable in marine ecosystems?: Journal of Experimental Marine Biology and Ecology, v. 200, p. 29-55, doi:10.1016/S0022-0981(96)02679-2.

Modica, E., Buxton, H.T., and Plummer, L.N., 1998,

Evaluating the source and residence times of groundwater seepage to streams, New Jersey coastal Plain: Water Resources Research, v. 34, no. 11, p. 2797-2810, doi:10.1029/98wr02472.

Paillet, F.L., Hite, L., and Carlson, M., 1998,

Integrating surface and borehole geophysics in ground water studies - an example using electromagnetic soundings in south Florida, in Symposium on the Applications of Geophysics to Environmental and Engineering Problems (Proceedings), Chicago, Illinois: p. 349-358.

Reilly, T.E., and LeBlanc, D.R., 1998,

Experimental evaluation of factors affecting temporal variability of water samples obtained from long-screened wells: Ground Water, v. 36, no. 4, p. 566-576, doi:10.1111/j.1745-6584.1998.tb02830.x.

Shanley, J.B., Pendall, E., Kendall, C., Stevens, L.R., Michel, R.L., Phillips, P.J., Forester, R.M., Naftz, D.L., Liu, B., Stem, L., Wolfe, B.B., Chamberlain, C.P., Leavitt, S.W., Heaton, T.H.E., Mayer, B., Cecil, L.D., Lyons, W.B., Katz, B.G., Betancourt, J.L., McKnight, D.M., Blum, J.D., Edwards, T.W.D., House, H.R., Ito, E., Aravena, R.O., and Whelan, J.F., 1998,

Isotopes as indicators of environmental change, Chapter 22, in Kendall, C., and McDonnell, J.J., eds., Isotope tracers in catchment hydrology: Amsterdam, Elsevier, p. 761-816.

Shapiro, A.M., and Hsieh, P.A., 1998,

How good are estimates of transmissivity from slug tests in fractured rock?: Ground Water, v. 36, no. 1, p. 37-48.

Wershaw, R.L., Leenheer, J.A., and Kennedy, K.R., 1998,

Use of 13C NMR and FTIR for elucidation of degradation pathways during natural litter decomposition and compositing. III. Characterization of leachate from different types of leaves, in Davies, G., and Ghabbour, E.A., eds., Humic substances structures, properties, and uses: Cambridge, England, Royal Society of Chemistry, p. 47-60.

Wiedemeier, T.H., Swanson, M.A., Moutoux, D.E., Gordon, E.K., Wilson, J.T., Wilson, B.H., Kampbell, D.H., Haas, P.E., Miller, R.N., Hansen, J.E., and Chapelle, F.H., 1998,

Technical protocol for evaluating natural attenuation of chlorinated solvents in ground water: U.S. Environmental Protection Agency Office of Research and Development: EPA/600/R-98/128.

Juracek, K.E., and Thurman, E.M., 1997,

Assessing aquifer contamination risk using immunoassay--Tracer analysis of atrazine in unsaturated zone sediment: Journal of Environmental Quality, v. 26, no. 4, p. 1080-1089, doi:10.2134/jeq1997.00472425002600040020x.

Kendall, C., Reddy, M.M., Schuster, P.F., and Evans, W.C., 1997,

Applications of stable isotopes in the Shingobee River Headquarters area, in Winter, T.C., ed., Hydrological and biogeochemical research in the Shingobee River Headquarters area, North-Central Minnesota: U.S. Geological Survey Water-Resources Investigations Report 96-4215, p. 63-69.

Leenheer, J.A., Noyes, T.I., and Wershaw, R.L., 1997,

Acquisition and interpretation of liquid-state 1H NMR spectra of humic and fulvic acids, in Nanny, M.A., Minear, R.A., and Leenheer, J.A., eds., Nuclear magnetic resonance spectroscopy in environmental chemistry: New York, Oxford University Press, p. 295-303.

Liu, S., Lu, J., Kolpin, D.W., and Meeker, W.Q., 1997,

Analysis of environmental data with censored observations: Environmental Science and Technology, v. 31, no. 12, p. 3358-3362, doi:10.1021/es960695x.

Morin, R.H., Carleton, G.B., and Poirier, S., 1997,

Fractured-aquifer hydrogeology from geophysical logs--The Passaic Formation, New Jersey: Ground Water, v. 35, no. 2, p. 328-338, doi:10.1111/j.1745-6584.1997.tb00090.x.

Nanny, M.A., Minear, R.A., and Leenheer, J.A., 1997,

Nuclear Magnetic Resonance in Environmental Chemistry: New York, Oxford University Press, 326 p.

Nanny, M.A., Minear, R.A., and Leenheer, J.A., 1997,

Research needs for environmental NMR, in Nanny, M.A., Minear, R.A., and Leenheer, J.A., eds., Nuclear Magnnetic Resonance Spectroscopy in Environmental Chemistry: New York, Oxford University Press, p. 313-316.

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Methods to identify areas susceptible to irrigation-induced selenium contamination in the Western United States: U.S. Geological Survey Fact Sheet FS-O38-97, 4 p.

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Determining the terminal electron-accepting reaction in the saturated subsurface, in Hurst, C.J., and others, eds., Manual of Environmental Microbiology: Washington, D.C., ASTM Press, p. 577-585.

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A theoretically based determination of Bowen-ratio fetch requirements: Boundary-Layer Meteorology, v. 83, no. 3, p. 375-406, doi:10.1023/A:1000286829849.

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A rapid and simple method for estimating sulfate reduction activity and quantifying inorganic sulfides: Applied and Environmental Microbiology, v. 63, no. 4, p. 1627-1630.

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Chloride mass-balance method for estimating ground-water recharge in arid areas--Examples from western Saudi Arabia: Journal of Hydrology, v. 186, p. 153-159, doi:10.1016/S0022-1694(96)03028-4.

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A first application of enzyme-linked immunosorbent assay for screening cyclodiene insecticides in ground water, in Van Emon, J.M., Gerlach, C.L., and Johnson, J.C., eds., Environmental immunochemical methods: Washington, D.C., American Chemical Society ACS Symposium Series 646, p. 170-182.

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Isolation of lipophilic organic contaminants along the upper Mississippi River using a semipermeable membrane device, in Morganwalp, D.W., and Aronson, D.A., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the technical meeting, Colorado Springs, Colorado, September 20-24, 1993: U.S. Geological Survey Water-Resources Investigations Report 94-4015, v. 1, p. 381-383.

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Determining the relative age, transport, and three-dimensional distribution of atrazine in a reservoir using immunoassay, in Morganwalp, D.W., and Aronson, D.A., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the technical meeting, Colorado Springs, Colorado, September 20-24, 1993: U.S. Geological Survey Water-Resources Investigations Report 94-4015, v. 1, p. 499-504.

Goodwin, B.L., 1996,

Determination of aquifer dispersivities using small scale natural gradient tracer tests: Worcester, Mass, Worcester Polytechnic Institute, Department of Civil Engineering, unpublished M.S. thesis, 120 p.

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Evaluating the reliability of the stream tracer approach to characterize stream-subsurface water exchange: Water Resources Research, v. 32, no. 8, p. 2441-51, 96WR01268, doi:10.1029/96WR01268.

Hay, L.E., and Battaglin, W.A., 1996,

A visual/interactive method for examining the National Stream Quality Accounting Network (NASQAN) data--Proceedings of Watershed'96, in, Baltimore, Md., June 8-12, 1996: p. 317-319.

Lahvis, M.A., and Baehr, A.L., 1996,

Estimation of rates of aerobic hydrocarbon biodegradation by simulation of gas transport in the unsaturated zone: Water Resources Research, v. 32, no. 7, p. 2231-2249, 96WR00805, doi:10.1029/96WR00805.

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Method for estimating the rate of microbial degradation of hydrocarbons associated with bioventing at a gasoline-spill site in Galloway Township, New Jersey, in Morganwalp, D.W., and Aronson, D.A., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the technical meeting, Colorado Springs, Colorado, September 20-24, 1993: U.S. Geological Survey Water-Resources Investigations Report 94-4015, v. 1, p. 27-34.

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Use of borehole-radar methods to detect a saline tracer in fractured crystalline bedrock at Mirror Lake, Grafton County, New Hampshire, USA, in Sixth International Conference on Ground-Penetrating Radar (GPR '96), Sendai, Japan, September 30-October 3, 1996: Sendai, Japan, Tohoku University Department of Geoscience and Technology, p. 185-190.

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Atrazine concentrations in near-surface aquifers--A censored regression approach: Journal of Environmental Quality, v. 25, no. 5, p. 992-999, doi:10.2134/jeq1996.00472425002500050010x.

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Hydrologic evaluation methodology for estimating water movement through the unsaturated zone at commercial low-level radioactive waste disposal sites: U.S. Nuclear Regulatory commission NUREG/CR-6346, PNL-10843, 102 p.

Meyers, W.J., and Kuivila, K.M., 1996,

Method for estimating the activity of carbofuran-degrading microorganisms in environmental samples, in Morganwalp, D.W., and Aronson, D.A., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the technical meeting, Colorado Springs, Colorado, September 20-24, 1993: U.S. Geological Survey Water-Resources Investigations Report 94-4015, v. 2, p. 719-723.

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Method for monitoring biodegradation of hydrocarbons in unsaturated porous media, in Morganwalp, D.W., and Aronson, D.A., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the technical meeting, Colorado Springs, Colorado, September 20-24, 1993: U.S. Geological Survey Water-Resources Investigations Report 94-4015, v. 1, p. 49-54.

Nordstrom, D.K., 1996,

Trace metal speciation in natural waters--Computational vs. analytical: Water, Air, and Soil Pollution, v. 90, p. 257-267.

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Use of well logs to prepare the way for packer strings and tracer tests--Lessons from the Mirror Lake study, in Morganwalp, D.W., and Aronson, D.A., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the technical meeting, Colorado Springs, Colorado, September 20-24, 1993: U.S. Geological Survey Water-Resources Investigations Report 94-4015, v. 1, p. 103-109.

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A generalized approach for the interpretation of geophysical well logs in ground water studies--Theory and application: Ground Water, v. 34, no. 5, p. 883-893, doi:10.1111/j.1745-6584.1996.tb02083.x.

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Integrated borehole logging methods for wellhead protection applications: Engineering Geology, v. 42, p. 155-165.

Plummer, L.N., and Busenberg, E., 1996,

Chlorofluorocarbons (CFCs) as tracers and age-dating tools for young ground water--Selected field examples, in Stevens, P.R., and Nichols, T.J., eds., Joint U.S. Geological Survey, U.S. Nuclear Regulatory Commission Workshop on Research Related to Low-Level Radioactive Waste Disposal, May 4-6, 1993, Reston, VA: U.S. Geological Survey Water-Resources Investigations Report 95-4045, p. 65-71.

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Use of carbon and hydrogen stable isotopes to investigate the production and fate of methane at a toxic waste site, Bemidji, Minnesota, in Morganwalp, D.W., and Aronson, D.A., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the technical meeting, Colorado Springs, Colorado, September 20-24, 1993: U.S. Geological Survey Water-Resources Investigations Report 94-4015, v. 2, p. 653-662.

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Investigation of methane production and consumption by use of stable isotopes, in Isotopes in Water Resources Management: Vienna, International Atomic Energy Agency, v. 1, p. 381-387.

Schroyer, B.R., and Capel, P.D., 1996,

A high-performance liquid chromatography-based screening method for the analysis of atrazine, alachlor, and ten of their transformation products, in Meyer, M.T., and Thurman, E.M., eds., Herbicide metabolites in surface water and groundwater: Washington, D.C., American Chemical Society ACS Symposium Series 630, p. 34-42.

Shapiro, A.M., 1996,

Estimation of effective porosity in fractured crystalline rock by controlled tracer tests, in Stevens, P.R., and Nicholson, T.J., eds., Joint U.S. Geological Survey, U.S. Nuclear Regulatory Commission Workshop on Research Related to Low-Level Radioactive Disposal, May 4-6, 1993, National Center, Reston, Virginia, Proceedings: U.S. Geological Survey Water-Resources Investigations Report 95-4015, p. 185-190.

Shapiro, A.M., and Hsieh, P.A., 1996,

A new method of performing controlled injection of traced fluid in fractured crystalline rock, in Morganwalp, D.W., and Aronson, D.A., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the technical meeting, Colorado Springs, Colorado, September 20-24, 1993: U.S. Geological Survey Water-Resources Investigations Report 94-4015, v. 1, p. 131-136.

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Overview of research on use of hydrologic, geophysical, and geochemical methods to characterize flow and chemical transport in fractured rock at the Mirror Lake site, New Hampshire, in Morganwalp, D.W., and Aronson, D.A., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the technical meeting, Colorado Springs, Colorado, September 20-24, 1993: U.S. Geological Survey Water-Resources Investigations Report 94-4015, v. 1, p. 71-80.

Soller, D.R., 1996,

A review of methods for assessing the potential for regional ground-water contamination, in Morganwalp, D.W., and Aronson, D.A., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the technical meeting, Colorado Springs, Colorado, September 20-24, 1993: U.S. Geological Survey Water-Resources Investigations Report 94-4015, v. 2, p. 1029-1033.

Suflita, J.M., Londry, K.L., and Ulrich, G.A., 1996,

The determination of anaerobic biodegradation activity, in Hurst, C.J., and others, eds., Manual of Environmental Microbiology: Washington, D.C., American Society for Microbiology, p. 790-801.

Szabo, Z., Rice, D.E., Plummer, L.N., Busenberg, E., Drenkard, s., and Schlosser, P., 1996,

Age-dating of shallow groundwater with chlorofluorocarbons, tritium/helium 3, and flow path analysis, southern New Jersey coastal plain: Water Resources Research, v. 32, no. 4, p. 1023-1038, 96WR00068, doi:10.1029/96WR00068.

Thorn, K.A., 1996,

Examples of NMR in the analysis of environmental contaminants and contaminant interactions, Invited Papers, in Symposium on New Frontiers in Environmental Chemistry, 211th ACS National Meeting, New Orleans, March 24-28, 1996: American Chemical Society.

Thurman, E.M., and Fallon, J.D., 1996,

The deethylatrazine/atrazine ratio as an indicator of the onset of the spring flush of herbicides into surface water of the Midwestern United States: International Journal of Environmental Analytical Chemistry, v. 65, no. 1-4, p. 203-214, doi:10.1080/03067319608045555.

Wershaw, R.L., Leenheer, J.A., Kennedy, K.R., and Noyes, T.I., 1996,

Use of 13C NMR and FTIR for elucidation of degradation pahtways during natural litter decomposition and composting I. Early stage lead degeneration: Soil Science, v. 161, p. 667-679.

Wright, D.L., Grover, T.P., Ellefsen, K.J., Lane, J.W., Jr., and Kase, P.G., 1996,

Radar tomograms at Mirror Lake, New Hampshire--3D visualization and a brine tracer experiment, in Bell, R.S., and Cramer, M.H., eds., Symposium on the Application of Geophysics to Engineering and Environmental Problems, Keystone, Colorado, April 28-May 2, 1996: Wheat Ridge, Colo., Environmental and Engineering Geophysical Society, p. 565-575.

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Analytical applications of immunoassays in environmental and agricultural chemistry--study of the fate and transport of herbicides: Lawrence, University of Kansas, Department of Chemistry, Ph.D. thesis, 220 p.

Baehr, A.L., and Baker, R.J., 1995,

Use of a reactive gas transport model to determine rates of hydrocarbon biodegradation in unsaturated porous media: Water Resources Research, v. 31, no. 11, p. 2877-2882, 95WR02077, doi:10.1029/95WR02077.

Drenkard, S., Plummer, L.N., Busenberg, E., Schlosser, P., Stute, M., and Dorr, H., 1995,

Applications of the transient tracers tritium/helium-3, and chlorofluorocarbons for tracing and age-dating yound ground water--Field examples from the USA and Germany, in van den Brink, W.J., Bosman, R., and Arendt, F., eds., Contaminated Soil '95: The Netherlands, Kluwer Academic Publishers, p. 195-196.

Greene, E.A., and Shapiro, A.M., 1995,

Methods of conducting air-pressurized slug tests and computation of type curves for estimating transmissivity and storativity: U.S. Geological Survey Open-File Report 95-424, 43 p.

Kendall, C., and Krabbenhoft, D.P., 1995,

Applications of isotopes to tracing sources of solutes and water in shallow systems, in Charbeneau, R.J., ed., Groundwater Management, Proceedings of the International Symposium, San Antonio, Texas, August 1995: American Association of Civil Engineers, p. 390-395.

Kolpin, D.W., Goolsby, D.A., and Thurman, E.M., 1995,

Pesticides in near-surface aquifers--An assessment using highly sensitive analytical methods and tritium: Journal of Environmental Quality, v. 24, no. 6, p. 1125-1132, doi:10.2134/jeq1995.00472425002400060011x.

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Use of a square-array direct-current resistivity method to detect fractures in crystalline bedrock in New Hampshire: Ground Water, v. 33, no. 3, p. 476-485, doi:10.1111/j.1745-6584.1995.tb00304.x.

Michel, R.L., and Kraemer, T.F., 1995,

Use of isotopic data to estimate water residence time of the Finger Lakes, New York: Journal of Hydrology, v. 164, p. 1-18.

Paillet, F.L., 1995,

Integrating surface geophysics, well logs, and hydraulic test data in the characterization of heterogeneous aquifers: Journal of Environmental and Engineering Geophysics, v. 0, no. 1, p. 1-13.

Paillet, F.L., 1995,

Using borehole flow logging to optimize hydraulic-test procedures in heterogeneous fractured aquifers: Hydrogeology Journal, v. 3, no. 3, p. 4-20, doi:10.1007/s100400050249.

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Application of time-domain reflectrometry techniques to field-scale tracer testing in unsaturated sediments, in Gambolati, G., and Verri, G., eds., Advanced Methods for Groundwater Pollution Control, proceedings of the international symposium, Udine, Italy, May 5-6, 1994: Springer Verlag, International Centre for Mechanical Sciences, v. 364, p. 217-234.

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Interpretation of prematurely terminated air-pressurized slug tests: Ground Water, v. 33, no. 4, p. 539-546, doi:10.1111/j.1745-6584.1995.tb00308.x.

Suflita, J.M., and Concannon, F., 1995,

Screening tests for assessing the anaerobic biodegradation of pollutant chemicals in subsurface environments: Journal of Microbiological Methods, v. 21, p. 267-281.

Tiedeman, C.R., Hsieh, P.A., and Christian, S.B., 1995,

Characterization of a high-transmissivity zone by well test analysis--Steady state case: Water Resources Research, v. 31, no. 1, p. 27-37, 94WR01965, doi:10.1029/94WR01965.

Waychunas, G.A., Davis, J.S., and Fuller, C.C., 1995,

Geometry of sorbed arsenate on ferrihydrite and crystalline FeOOH--Re-evaluation of EXAFS results and topological factors in predicting sorbate geometry and evidence for monodentate complexes: Geochimica et Cosmochimica Acta, v. 59, p. 3655-3661, doi:10.1016/0016-7037(95)00276-6.

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Chemical and isotopic methods for quantifying ground-water recharge in a regional, semi-arid environment: Ground Water, v. 33, no. 3, p. 458-468.

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Significance of density determination in molecular structures comprising fulvic acid from the Suwannee River, in Averett, R.C., Leenheer, J.A., McKnight, D.M., and Thorn, K.A., eds., Humic substances in the Suwannee River, Georgia--Interactions, properties, and proposed structures: U.S. Geological Survey Water-Supply Paper 2373, p. 183-194.

Buszka, P.M., Barber, L.B., II, Schroeder, M.P., and Becker, L.D., 1994,

Determination of organic compounds downstream from a treated-wastewater discharge near Dallas, Texas, March 1987: U.S. Geological Survey Water-Resources Investigations Report 93-4194, 19 p.

Crowder, R., Paillet, F.L., and Hess, A.E., 1994,

High resolution flowmeter logging - a unique combination of borehole geophysics and hydraulics; part 1--Flowmeter techniques and equipment development, in Symposium on the Application of Geophysics to Engineering and Environmental Problems (Proceedings), Boston, Massachusetts: p. 361-380.

Ekwurzel, B., Schlosser, P., Smethie Jr, W.M., Plummer, L.N., Busenberg, E., Michel, R.L., Weppernig, R., and Stute, M., 1994,

Dating of shallow groundwater--Comparison of the transient tracers 3H/3He chlorofluorocarbons and 85Kr: Water Resources Research, v. 30, no. 6, p. 1,693-1,707, 94WR00156, doi:10.1029/94WR00156.

Ekwurzel, B., Schlosser, P., Smethie Jr., W.M., Plummer, L.N., Busenberg, E., Michel, R.L., Weppernig, R., and Stute, M., 1994,

Dating of shallow groundwater--Comparison of the transient tracers 3H/3He, chlorofluorocarbons, and 85Kr: Water Resources Research, v. 30, no. 6, p. 1693-1708, 94WR00156, doi:10.1029/94WR00156.

Krabbenhoft, D.P., Bowser, C.J., Kendall, C., and Gat, J.R., 1994,

Use of oxygen-18 and deuterium to assess the hydrology of ground-water/lake systems, in Baker, L.A., ed., Environmental Chemistry of Lakes and Reservoirs: American Chemical Society Monograph No. 237, p. 67-90.

Lane, J.W., Jr., Haeni, F.P., and Williams, J.H., 1994,

Detection of bedrock fractures and lithologic changes using borehole radar at selected sites, in Fifth International Conference on Ground Penetrating Radar, Kitchener, Ontario, Canada, June 12-16, 1993: Waterloo, Ontario, Waterloo Centre for Groundwater Research, p. 577-592.

Leenheer, J.A., 1994,

Methods for determination of structural models of fulvic acid by convergent independent analyses, in Averett, R.C., Leenheer, J.A., McKnight, D.M., and Thorn, K.A., eds., Humic substances in the Suwannee River, Georgia--Interactions, properties and proposed structures: U.S. Geological Survey Water-Supply Paper 2373, p. 75-80.

Moench, A.F., 1994,

Specific yield as determined by type-curve analysis of aquifer-test data: Ground Water, v. 32, no. 6, p. 949-957, doi:10.1111/j.1745-6584.1994.tb00934.x.

Moran, M.S., Kustas, W.P., Vidal, A., Stannard, D.I., Blanford, J.H., and Nichols, W.D., 1994,

Use of ground-based remotely sensed data for surface energy balance evaluation of a semiarid rangeland: Water Resources Research, v. 30, no. 5, p. 1,339-1,349, 93WR03064, doi:10.1029/93WR03064.

Nolan, J.G., 1994,

A method to determine the stoichiometry between carbon dioxide, oxygen and hydrocarbons for microbial reactions in porous media: Philadelphia, Pa., Drexel University, Department of Civil Engineering, unpublished M.S. thesis, 101 p.

Noyes, T.I., and Leenheer, J.A., 1994,

Proton nuclear magnetic resonance studies of fulvic acid from the Suwannee River, in Averett, R.C., Leenheer, J.A., McKnight, D.M., and Thorn, K.A., eds., Humic substances in the Suwannee River, Georgia--Interactions, properties, and proposed structures: U.S. Geological Survey Water-Supply Paper 2327, p. 141-182.

Paillet, F.L., Crowder, R., and Hess, A.E., 1994,

High-resolution flowmeter logging - A unique combination of borehole geophysics and hydraulics; Part II--Borehole applications with the heat-pulse flowmeter, in Symposium on the Application of Geophysics to Engineering and Environmental Problems (Proceedings), Boston, Massachusetts: p. 381-404.

Paillet, F.L., and Ruhl, J., 1994,

Using borehole geophysics to evaluate the effects of hydraulic stimulation of fractured bedrock aquifers, in Society of Professional Well Log Analysts Annual Logging Symposium, 35th, Transactions, paper U, Tulsa, Oklahoma.

Reilly, T.E., Plummer, L.N., Phillips, P.J., and Busenberg, E., 1994,

Estimation and corroboration of shallow ground-water flow paths and travel times by environmental tracer and hydraulic analyses--A case study near Locust Grove, Maryland: Water Resources Research, v. 30, no. 2, p. 421-433, 93WR02655, doi:10.1029/93WR02655.

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Synthesis of geochemical, isotopic and groundwater modelling analysis to explain regional flow in a coastal aquifer of southern Oahu, Hawaii, in Proceedings of a final research coordination meeting: International Atomic Energy Agency Report IEAE-TECDOC-777, p. 147-178.

Chiou, C.T., Rutherford, D., and Manes, M., 1993,

Sorption of nitrogen and ethylene glycol monoethyl ether (EGME) vapors on some soils, clays, and mineral oxides and determination of sample surface areas by use of sorption data: Environmental Science and Technology, v. 27, no. 8, p. 1587-1594, doi:10.1021/es00045a014.

Dunkle, S.A., Plummer, L.N., Busenberg, E., Phillips, P.J., Denver, J.M., Hamilton, P.A., Michel, R.L., and Coplen, T.B., 1993,

Chlorofluorocarbons (CC13F and CC12F2) as age-dating tools and hydrologic tracers in shallow ground water of the Delmarva Peninsula, Atlantic Coastal Plain, USA: Water Resources Research, v. 29, no. 12, p. 3,837-3,860, 93WR02073, doi:10.1029/93WR02073.

Hsieh, P.A., Shapiro, A.M., Barton, C.C., Haeni, F.P., Johnson, C.D., Martin, C.W., Paillet, F.L., Winter, T.C., and Wright, D.L., 1993,

Methods of characterizing fluid movement and chemical transport in fractured rock, in Cheney, J.T., and Hepburn, J.C., eds., Field trip guidebook for the Northeastern United States: Amherst, Mass., Geological Society of America, v. 2, p. R1-R30.

Humes, K.S., Kustas, W.P., Keefer, T.O., Goodrich, D.C., and Stannard, D.I., 1993,

Chapter XI. Ground-based optical remote sensing measurements, in Jackson, T.J., and Schiebe, F.R., eds., Hydrology Data Report--Washita '92: Agricultural Research Service National Agricultural Water Quality Laboratory Report 93-1, p. XI1-XI3.

Luoma, S.N., and Carter, J.L., 1993,

Understanding the toxicity of contaminants in sediments--Beyond the bioassay-based paradigm: Environmental Toxicology and Chemistry, v. 12, p. 793-796.

Paillet, F.L., 1993,

Application of borehole geophysics in the characterization of flow in fractured rocks--Trends in geophysical research: U.S. Geological Survey Water-Resources Investigations Report 93-4214, 36 p.

Paillet, F.L., 1993,

Integrating geophysical well logs, surface geophysics, and hydraulic test and geologic data in ground-water studies--Theory and case histories, in Symposium of the Application of Geophysics to Engineering and Environmental Problems (proceedings), San Diego, California: p. 479-495.

Paillet, F.L., and Crowder, R., 1993,

A generalized approach to geophysical log analysis for ground-water studies, in International Symposium on Geophysics for Minerals, Geotechnical, Groundwater, and Environmental Applications, 5th (Proceedings), Tulsa, Oklahoma.

Paillet, F.L., Kay, R.T., Yeskis, D., and Pedler, W.H., 1993,

Integrating well logs into a multiple-scale investigation of a fractured sedimentary aquifer: The Log Analyst, v. 34, no. 1, p. 13-23.

Parkhurst, D.L., and Plummer, L.N., 1993,

Geochemical models (chapter 9), in Alley, W.M., ed., Regional Ground-Water Quality: New York, Van Nostrand Reinhold, p. 199-225.

Plummer, L.N., and Busenberg, E., 1993,

CFC's--Tools for age-dating and tracing shallow ground water, in U.S. Geological Survey Yearbook, Fiscal Year 1992, p. 45-47.

Plummer, L.N., Michel, R.L., Thurman, E.M., and Glynn, P.D., 1993,

Environmental tracers for age dating young ground water, in Alley, W.M., ed., Regional ground-water quality: New York, Van Nostrand Reinhold, p. 255-294.

Reilly, T.E., and Gibs, J., 1993,

Effects of physical and chemical heterogeneity on water-quality samples obtained from wells: Ground Water, v. 31, no. 5, p. 805-813, doi:10.1111/j.1745-6584.1993.tb00854.x.

Vernon, J.H., Paillet, F.L., Pedler, W.H., and Griswold, W.J., 1993,

Application of borehole geophysics in defining the wellhead protection area for a fractured crystalline bedrock aquifer: The Log Analyst, v. 34, no. 1, p. 41-57.

Wright, D.L., and Nelson, P.H., 1993,

Borehole dielectric logging for environmental applications--A review and a time-domain laboratory experiment, in Hallenburg, J.K., ed., Transactions of the 5th Annual Symposium, Minerals and Geotechnical Logging Society, Tulsa, Oklahoma, October 24-28, 1993: Tulsa, Okla., The Minerals and Geotechnical Logging Society, The Society of Professional Well Log Analysts, p. T1- T23.

Barber, L.B., 1992,

Hierarchical analytical approach to evaluating the transport and biogeochemical fate of organic compounds in sewage-contaminated groundwater, Cape Cod, Massachusetts, in Lesage, S., and Jackson, R.E., eds., Groundwater contamination and analysis at hazardous waste sites: New York, Marcel Dekker, p. 73-120.

Busenberg, E., and Plummer, L.N., 1992,

Use of chlorofluorocarbons (CCl3F and CCl2F2) as hydrologic tracers and age-dating tools--The alluvium and terrace system of central Oklahoma: Water Resources Research, v. 28, p. 2257-2283, 92WR01263, doi:10.1029/92WR01263.

Marron, D.C., 1992,

Floodplain storage of mine tailings in the Belle Fourche River system--A sediment budget approach: Earth Surface Processes and Landforms, v. 17, p. 675-685.

Thurman, E.M., Goolsby, D.A., Meyer, M.T., Mills, M.S., Pomes, M.L., and Kolpin, D.W., 1992,

A reconnaissance study of herbicides and their metabolites in surface water of the Midwestern United States using immunoassay and gas chromatography/mass spectrometry: Environmental Science and Technology, v. 26, no. 12, p. 2440-2447, doi:10.1021/es00036a016.

Baehr, A.L., Fischer, J.M., Lahvis, M.A., Baker, R.J., and Smith, N.P., 1991,

Method for estimating rates of microbial degradation of hydrocarbons based on gas transport in the unsaturated zone at a gasoline-spill site in Galloway Township, New Jersey, in Mallard, G.E., and Aronson, D.A., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the technical meeting, Monterey, California, March 11-15, 1991: U.S. Geological Survey Water-Resources Investigations Report 91-4034, p. 250-255.

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Development and evaluation of a technique for measuring denitrification enzyme activity in nitrate-contaminated ground water: Golden, Colorado School of Mines, Department of Chemistry and Geochemistry, unpublished M.S. thesis, 94 p.

Busenberg, E., and Plummer, L.N., 1991,

Chloroflurocarbons (CCl3F and CCl2F2)--Use as an age-dating tool and hydrologic tracer in shallow ground-water streams, in Mallard, G.E., and Aronson, D.A., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the technical meeting, Monterey, California, March 11-15, 1991: U.S. Geological Survey Water-Resources Investigations Report 91-4034, p. 542-547.

Goolsby, D.A., Thurman, E.M., Clark, M.L., and Pomes, M.L., 1991,

Immunoassay as a screening tool for triazine herbicides in streams--comparison with gas chromatographic-mass spectrometric methods, in Vanderlaan, M., Stanker, L.H., Watkins, B.E., and Roberts, D.E., eds., Immunoassays for Trace Chemical Analysis--Monitoring toxic chemicals in humans, food, and the environment: Washington, D.C., American Chemical Society ACS Symposium Series 451, p. 86-99.

Hess, K.M., and Wolf, S.H., 1991,

Techniques to determine spatial variations in hydraulic conductivity of sand and gravel: Ada, Okla., R.S. Kerr Environmental Research Laboratory, U.S. Environmental Protection Agency Project Report EPA/600/2-91/006, 26 p.

Knopman, D.S., Voss, C.I., and Garabedian, S.P., 1991,

Sampling design for groundwater solute transport--Tests of methods and analysis of Cape Cod tracer test data: Water Resources Research, v. 27, no. 5, p. 925-949, 90WR02657, doi:10.1029/90WR02657.

Majure, J.J., and Eash, D.A., 1991,

An automated method to quantify physical basin characteristics, in Mallard, G.E., and Aronson, D.A., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the technical meeting, Monterey, California, March 11-15, 1991: U.S. Geological Survey Water-Resources Investigations Report 91-4034, p. 558-561.

Smith, R.L., and Harvey, R.W., 1991,

Development of sampling techniques to measure in situ rates of microbial processes in a contaminated sand and gravel aquifer, in Fliermans, C.B., and Hazen, T.C., eds., Proceedings of the First International Symposium on Microbiology of the Deep Subsurface, Orlando, Fla., January 15-19, 1990: Aiken, S.C., Westinghouse Savannah River Company, p. 2-19 to 2-33.

Truman, C.C., Asmussen, L.E., and Allison, H.D., 1991,

Ground-penetrating radar--A tool for mapping reservoirs and lakes: Journal of Soil and Water Conservation, v. 46, no. 5.

White, D.L., 1991,

Point dilution method determination of groundwater velocities at the Bemidji Research Site: University of Texas at Austin, M.S. thesis, 145 p.

Barringer, T.A., Dunn, D., Battaglin, W., and Vowinkel, E.F., 1990,

Problems and methods involved in relating land use to ground-water quality: Water Resources Bulletin, v. 26, no. 1, p. 1-9, doi:10.1111/j.1752-1688.1990.tb01345.x.

Parrish, R.S., and Smith, C.N., 1990,

A method for testing whether model predictions fall within a prescribed factor of true values, with an application to pesticide leaching: Ecological Modeling, v. 51, p. 59-72.

Smith, C.N., Brown, D.S., Parrish, D.S., Asmussen, L.E., and Hicks, D.W., 1990,

Cooperative approach for field validating agricultural chemical transport models, in Proceedings of the American Society of Agronomy, San Antonio, Tex.

Stream Solute Workshop, 1990,

Concepts and methods for assessing solute dynamics in stream ecosystems: Journal of the North American Benthological Society, v. 9, p. 95-119.

Vroblesky, D.A., and Yanosky, T.M., 1990,

Use of tree-ring chemistry to document historical ground-water contamination events: Ground Water, v. 28, no. 5, p. 677-684, doi:10.1111/j.1745-6584.1990.tb01983.x.

Battaglin, W.A., Ulery, R.L., and Vowinkel, E.F., 1989,

Method for simulating water-table altitudes from stream and drainage-basin locations by use of a geographic information system, in Mallard, G.E., and Ragone, S.E., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the technical meeting, Phoenix, Arizona, September 26-30, 1988: U.S. Geological Survey Water-Resources Investigations Report 88-4220, p. 531-539.

Fouty, S., 1989,

Chloride mass-balance as a method for determining long-term ground-water recharge rates and geomorphic surface stability in arid and semi-arid regions--Whiskey Flat and Beatty, Nevada: Tucson, University of Arizona, unpublished M.S. thesis, 130 p.

Goerlitz, D.F., and Franks, B.J., 1989,

Use of on-site high performance liquid chromatography to evaluate the magnitude, extent and transport of organic contaminants in aquifers: Ground Water Monitoring Review, v. 9, no. 2, p. 122-130.

Hickey, J.J., 1989,

An approach to the field study of hydraulic gradients in variable-salinity ground water: Ground Water, v. 27, no. 4, p. 531-539, doi:10.1111/j.1745-6584.1989.tb01974.x.

Kilpatrick, F.A., Rathburn, R.E., Yotsukara, N., Parker, G.W., and DeLong, L.L., 1989,

Determination of stream reaeration coefficients by use of tracers: U.S. Geological Survey Techniques of Water-Resources Investigations, book 3, sec. A, chap. 18, 52 p.

Vowinkel, E.F., and Battaglin, W.A., 1989,

Methods of evaluating the relation of ground-water quality to land use in a New Jersey Coastal Plain aquifer system, in Mallard, G.E., and Ragone, S.E., eds., U.S. Geological Survey Toxic Substances Hydrology Program--Proceedings of the technical meeting, Phoenix, Arizona, September 26-30, 1988: U.S. Geological Survey Water-Resources Investigations Report 88-4220, p. 405-410.

Gibs, J., and Imbrigiotta, T.E., 1988,

An evaluation of field-determined characteristics used as water-quality indicators during aquifer sampling for purgeable organic compounds, in Ragone, S.E., ed., U.S. Geological Survey Program on Toxic-Waste--Ground-Water Contamination--Proceedings of the second technical meeting, Cape Cod, Massachusetts, October 21-25, 1985: U.S. Geological Survey Open-File Report 86-481, p. F-19.

Gruebel, K.A., Davis, J.A., and Leckie, J.O., 1988,

The feasibility of using sequential extraction techniques for As and Se in soils and sediments: Journal of Soil Science Society of America, v. 52, p. 390-397.

Nimmo, J.R., and Akstin, K.C., 1988,

Hydraulic conductivity of a sandy soil at low water content after compaction by various methods: Soil Science Society of America Journal, v. 52, no. 2, p. 303-310, doi:10.2136/sssaj1988.03615995005200020001x.

Olhoeft, G.R., 1988,

Geophysical methods of contaminant detection, in Ragone, S.E., ed., U.S. Geological Survey Program on Toxic Waste--Ground-Water Contamination--Proceedings of the second technical meeting, Cape Cod, Massachusetts, October 21-25, 1985: U.S. Geological Survey Open-File Report 86-481, p. A7-A-8.

Oremland, R.S., and Capone, D.G., 1988,

Use of "specific inhibitors" in biogeochemistry and microbial ecology, in Marshall, K.C., ed., Advanced Microbial Ecology 10: New York, Plenum Publishing Co., p. 285-383.

Harvey, R.W., and George, L.H., 1987,

Growth determinations for unattached bacteria in a contaminated aquifer: Applied and Environmental Microbiology, v. 53, p. 2992-2996.

Hsieh, P.A., 1987,

Characterizing the hydraulic properties of fractured rock masses--Methodology and case studies, in Farmer, I.W., and others, eds., Rocks Mechanics--Proceedings of the 28th U.S. Symposium, Tucson, Arizona, June 29 - July 1, 1987: Rotterdam, A.A. Balkema, p. 465-472.

Smith, R.L., Duff, J.H., and Howes, B.L., 1987,

Development of techniques to measure in situ rates of microbial processes in a contaminated aquifer, in Franks, B.J., ed., U.S. Geological Survey Program on Toxic Waste--Ground-Water Contamination--Proceedings of the third technical meeting, Pensacola, Florida, March 23-27, 1987: U.S. Geological Survey Open-File Report 87-109, p. B-25-B-27.

Brown, C.E., 1986,

Determination of rock properties by borehole geophysical and physical testing techniques and ground-water quality and movement, Durham Triassic Basin, North Carolina: U.S. Geological Survey Professional Paper 1432, 86 p.

Hsieh, P.A., 1986,

A new formula for the analytical solution of the radial dispersion problem: Water Resources Research, v. 22, no. 11, p. 1597-1605, 5W4314, doi:10.1029/WR022i011p01597.

Lacombe, P., Sargent, B.P., Harte, P.T., and Vowinkel, E.F., 1986,

Determination of geohydrological framework and extent of ground-water contamination using surface geophysical techniques at Picatinny Arsenal, New Jersey: U.S. Geological Survey Water-Resources Investigations Report 86-4051, 31 p.

Karlinger, M.R., and Troutman, B.M., 1985,

Assessment of the instantaneous unit hydrograph derived from the theory of topologically random networks: Water Resources Research, v. 21, no. 11, p. 1693-1702, 5W4093, doi:10.1029/WR021i011p01693.

Malcolm, R.L., and McKinley, P.W., 1985,

Methods and importance of suspended-organic carbon determination in hydrologic studies, in, in Subitzky, S., ed., Selected papers in the hydrologic sciences, 1987: U.S. Geological Survey Water-Supply Paper 2330, p. 69-75.

Winter, T.C., 1985,

Approaches to the study of lake hydrology, in Likens, G.E., ed., An ecosystem approach to aquatic ecology, Mirror Lake and its environment: New York, Springer-Verlag, p. 128-135.

Barber, L.B., II, Thurman, E.M., and Schroeder, M.P., 1984,

Closed-loop stripping combined with capillary gas chromatography/mass spectrometry analysis to define a semi-volatile organic contaminant plume, in LeBlanc, D.R., ed., Movement and fate of solutes in a plume of sewage-contaminated ground water, Cape Cod, Massachusetts--U.S. Geological Survey Toxic Waste Ground-Water Contamination Program--Papers presented at the toxic waste technical meeting, Tucson, Arizona, March 20-22, 1984: U.S. Geological Survey Open-File Report 84-475, p. 89-114.

Helsel, D.R., and Ragone, S.E., 1984,

Evaluation of regional ground-water quality in relation to land use; U.S. Geological Survey Toxic Waste--Ground-Water Contamination Program: U.S. Geological Survey Water-Resources Investigations Report 84-4217, 33 p.

Miller, T.L., and Gonthier, J.B., 1984,

Oregon ground-water quality and its relation to hydrogeologic factors--A statistical approach: U.S. Geological Survey Water-Resources Investigations Report 84-4242, 88 p.

Pfannkuch, H.O., 1984,

Determination of the contaminant source strength from mass exchange processes at the petroleum-ground-water interface in shallow aquifer systems, in Proceedings of the National Water Well Association/American Petroleum Institute Conference on Petroleum Hydrocarbons and Organic Chemicals in Ground Water, Houston, Tex., 1984: National Water Well Association, p. 111-129.

Thurman, E.M., and Malcolm, R.L., 1983,

Structural study of humic substances--New approaches and methods, in Christman, R.F., and Gjessing, E.T., eds., Aquatic and terrestrial humic materials: Ann Arbor, Michigan., Ann Arbor Science, p. 1-24.

Hsieh, P.A., Tracy, J.V., Neuzil, C.E., Bredehoeft, J.D., and Silliman, S.E., 1981,

A transient method for determining the hydraulic properties of "tight" rocks--1, Theory: lnternational Journal of Rock Mechanics and Mining Science, v. 18, no. 3, p. 245-252.

Neuzil, C.E., Cooley, C., Silliman, S.E., Bredehoeft, J.D., and Hsieh, P.A., 1981,

A transient method for determining the hydraulic properties of "tight" rocks--II, Application: International Journal of Rock Mechanics and Mining Sciences, v. 18, no. 3, p. 253-258.

There are 395 publications in this section of the bibliography. The above list is sorted by publication year. The Toxics Bibliographic Data Base was last updated on 2/25/13.

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