(All publications open in a new window) Model Development Langevin, C.D., Lebbe, L., Bakker, M., and Voss, C., eds., 2008, 20th Salt Water Intrusion Meeting, Program and Proceedings, June 23-27, 2008, Naples, Florida, U.S.A., 340 p. Recharge--Pennsylvania Heppner, C.S., and Nimmo, J.R., 2005, A computer program for predicting recharge with a master recession curve: U.S. Geological Survey Scientific Investigations Report 2005-5172. Recharge--Minnesota Lorenz, D.L., and Delin, G.N., 2007, A regression model to estimate regional ground water recharge. Ground Water, v. 45, no. 2, p. 196-208. (doi:10.1111/j.1745-6584.2006.00273.x) Model Development--GWM Barlow, P.M., Ahlfeld, D.P., and Granato, G.E., 2006, A simulation-optimization model for evaluation of ground-water development options constrained by minimum streamflow requirements and water-supply demands in Proceedings, MODFLOW and MORE 2006—Managing Ground Water Systems, Eileen Poeter, Mary Hill, Chunmiao Zheng, organizing committee: International Ground Water Modeling Center, Colorado School of Mines, Golden, CO, p. 399-403. Ground-Water Availability--Southwest Alluvial Basin Tillman, Fred D. and Leake, S.A., 2008, A visual representation of trends in groundwater conditions: Southwest Hydrology, January/February, p. 8-9. Model Development--SEAWAT Thorne, D., Langevin, 2006, Addition of simultaneous heat and solute transport and variable fluid viscosity to SEAWAT Computer and Geosciences vol. 32, 1758-1768. Model Development--Farm Package Schmid, Wolfgang, Hanson, R.T., and Maddock III, Thomas, 2006, Advances and Applications of the Farm Process for MODFLOW-2000: Modflow and More 2006 Managing Groundwater Systems -- Conference Proceedings, International Ground Water Modeling Center, Golden, CO, May 21-24, 2006 , pp. 23-27 US-Mexico Border Environmnental Health Initiative Duval, J.S., 2005, Aerial gamma-ray survey for parts of Cameron, Hidalgo, and Willacy Counties, Texas: U.S. Geological Survey Open-File Report 2005-1231. Ground-Water Availability--Southwest Alluvial Basin Tillman, Fred D., Leake, Stanley A., Flynn, Marilyn E., Cordova, Jeffrey T., and Schonauer, Kurt T., 2007, An online interactive map service for displaying ground-water conditions in Arizona: U.S. Geological Survey Open-File Report 2007-1436, 16 p. Recharge Washington Ely, D.M., 2006, Analysis of the sensitivity of simulated recharge to selected parameters for seven watersheds modeled using the precipitation-runoff modeling system: U.S. Geological Survey Scientific Investigations Report 2005-5041, 21 p. Methods Development--Geophysics Day-Lewis, F.D., Singha, Kamini, and Binley, A., 2005, Applying petrophysical models to radar traveltime and electrical-resistivity tomograms–assessing resolution-dependent limitations: Journal of Geophysical Research, v. 110, no. B8 doi:10.1029/2004JB003569, 17 p. Ground-Water Availability--Southwest Alluvial Basin Tillman, Fred D., Leake, Stanley A., Flynn, Marilyn E., Cordova, Jeffrey T., 2007, Arizona Ground-Water Conditions Interactive Map Service. Ground-Water Availability--Southwest Alluvial Basin Tillman, Fred D., Leake, Stanley A., Flynn, Marilyn E., Cordova, Jeffrey T., and Schonauer, Kurt T., 2008, Arizona Ground-Water Conditions Interactive Map. U.S. Geological Survey. National Overviews 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. Model Development--SEAWAT Wolfert, M.A., Langevin, C.D., and Swain, E.D., 2004, Assigning boundary conditions to the Southern Inland and Coastal Systems (SICS) model using results from the South Florida Water Management Model (SFWMM). USGS OFR 2004-1195, 30 p. Atlantic Coastal Zone Barlow, P.M., 2000, Atlantic Coastal Zone U.S. Geological Survey Fact Sheet 085-00, 4 p. St. Joseph River Basin Duris, Joseph W., Howard W. Reeves, and James L. Kiesler, Jr., 2005, Atrazine Concentrations in Stream Water and Streambed Sediment Pore Water in the St. Joseph and Galien River Basins, Michigan and Indiana, May 2001-September 2003: U.S. Geological Survey Open-File Report 2004-1326, 25p. National Overviews Sun, R.J., Weeks, J.B., and Grubb, H.F., 1997, Bibliography of Regional Aquifer-System Analysis (RASA) studies, 1978-96 U.S. Geological Survey Water-Resources Investigations Report 97-4074, p. Atlantic Coastal Zone Barlow, P.M. and Wild, E.C., 2002, Bibliography on the Occurrence and Intrusion of Saltwater in Aquifers along the Atlantic Coast of the United States U.S. Geological Survey Open-File Report 02-235 Southwest Ground-Water Resources Heilweil, V.M., Solomon, D.K., and Gardner, P.M., 2006, Borehole environmnetal tracers for evaluating net infiltration and recharge through desert bedrock, Vadose Zone Jounal 5:98-120. High Plains Water Levels McGuire, V.L., 2007, Changes in water levels and storage in the High Plains Aquifer, predevelopment to 2005: U.S. Geological Survey Fact Sheet 2007-3029, 4 p. Model Development--SEAWAT Langevin, C.D., Oude Essink, G.H.P., Panday, S., Bakker, M., Prommer, H., Swain, E.D., Jones, W., Beach, M., and M. Barcelo, 2004, Chapter 3, MODFLOW-based tools for simulation of variable-density groundwater flow: in Coastal Aquifer Management: Monitoring, Modeling, and Case Studies, (eds.) A. Cheng and D. Ouazar, Lewis Publishers, p. 49-76. Southwest Ground-Water Resources Anning, D.W. and Konieczki, A.D., 2005, Classification of hydrogeologic areas and hydrogeologic flow systems in the Basin and Range Physiographic Province, Southwestern United States: U.S. Geological Survey Professional Paper 1702, 37 p. Karst--Shenandoah Valley Yager, R.M., Voss, C.I., and Southworth, S., 2009, Comparison of alternative repressentations of hydraulic-condcutivity anisotropy in folded fractured-sedimentary rock: modeling groundwater flow in the Shenandoah Valley (USA) Hydrogeology Journal, DOI 10.1007/s10040-008-0431-x Model Development--Grid Refinement Mehl, S.W., Hill, M.C., Leake, S.A., 2006, Comparison of local grid refinement methods for MODFLOW Ground Water, v. 44, no. 6, p. 792-796. Recharge--Minnesota Delin, G.N., Healy, R.W., Lorenz, D.L., and Nimmo, J.R., 2007, Comparison of local- to regional-scale estimates of ground-water recharge in Minnesota, USA: Journal of Hydrology, v. 334, no. 1-2, p. 231-249. (doi:10.1016/j.jhydrol.2006.10.010) Water Availability--Great Lakes Basin Sheets, R.A., and Simonson, L.A., 2006, Compilation of regional ground-water divides for principal aquifers corresponding to the Great Lakes basin, United States U.S. Geological Survey Scientific Investigations Report 2006-5102, 23 p. Water Availability--Great Lakes Basin Shaffer, K.H., 2008, Consumptive Water Use in the Great Lakes Basin: U.S. Geological Survey Fact Sheet 2008-3032, 6 p. Water Availability--Great Lakes Basin Shaffer, K.H., and Runkle, D.L., 2007, Consumptive water-use coefficients for the Great Lakes Basin and climatically similar areas: U.S. Geological Survey Scientific Investigations Report 2007-5197, 191 p. Methods Development--Geophysics Day-Lewis, F.D., White, E.A., Johnson, C.D., Lane, J.W. Jr., and Belaval, M., 2006, Continuous resistivity profiling to delineate submarine groundwater discharge--examples and limitations, The Leading Edge, Vol. 25, No. 6, 724-728 pp. National Overviews Alley, W.M., 2003, Desalination of Ground Water:Earth Science Perspectives U.S. Geological Survey Fact Sheet 075-03, 4 p. Southwest Ground-Water Resources Leake, S.A., Konieczki, A.D., and Rees, J.A.H., 2000, Desert Basins of the Southwest U.S. Geological Survey Fact Sheet 086-00, 4 p. US-Mexico Border Environmnental Health Initiative Parcher, J.W., L.M. Norman, D.M. Papoulias, J.E. Stefanov, Z.D. Wilson, W.R. Page, R.H. Gary, 2006, Developing a Binational Geodatabase to Examine Environmental Health and Quality-of-Life Issues along the U.S.-Mexico Border GSDI-9 Conference Proceedings, 6-10 November, Santiago, Chile. Ground-Water Availability--Mississippi Embayment Hart, R.M., Clark, B.R., and Bolyard, S.E., 2008, Digital Surfaces and Thicknesses of Selected Hydrogeologic Units within the Mississippi Embayment Regional Aquifer Study (MERAS): U.S. Geological Survey Scientific Investigations Report 2008-5098. Model Development Shoemaker, W.B., Kuniansky, E.L., Birk, S., Bauer, S., and Swain, E.D., 2008, Documentation of a Conduit Flow Process (CFP) for MODFLOW-2005: U.S. Geological Survey Techniques and Methods, Book 6, Chapter A24, 50 p. Model Development--MODFLOW Niswonger, R.G., and Prudic, D.E., 2005, Documentation of the Streamflow-Routing (SFR2) Package to include unsaturated flow beneath streams--a modification to SFR1 U.S. Geological Techniques and Methods Book 6, Chapter A13, 57 p. Model Development--MODFLOW Niswonger, R.G., Prudic, D.E., and Regan, R.S., 2006, Documentation of the Unsaturated-Zone Flow (UZF1) Package for modeling unsaturated flow between the land surfcae and the water table with MODFLOW-2005 U.S. Geological Survey Techniques and Methods Book 6, Chapter A19, 62 p. Methods Development--Ground Water Flow Masterson, J.P. and Garabedian, S.P., 2007, Effects of sea-level rise on ground water flow in a coastal aquifer system Ground Water, v. 45, No. 2, p. 209-217. Model Development Shoemaker, W.B., Cunningham, K.J., Kuniansky, E.L., and Dixon, J., 2008, Effects of turbulence on hydraulic heads and parameter sensitivities in preferential groundwater flow layers. Water Resour. Res., 44, W03501, doi:10.1029/2007WR006601. Water Availability--Great Lakes Basin Coon, W.F., and Sheets, R.A., 2006, Estimate of ground water in storage in the Great Lakes Basin, United States, 2006 U.S. Geological Survey Scientific Investigations Reports 2006-5180, 19 p. Water Use Hutson, S.S., Barber, N.L., Kenny, J.F., Linsey, K.S., Lumia, D.S., and Maupin, M.A., 2004, Estimated Use of Water in the United States in 2000 U.S. Geological Survey Circular 1268, 46 p. Methods Development--Ground Water Flow Franke, O.L., Reilly, T.E., Pollock, D.W., and LaBaugh, J.W., 1998, Estimating Areas Contributing Recharge to Wells--Lessons from Previous Studies U.S. Geological Survey Circular 1174, 14 p. Recharge Dripps, W.R., Hunt, R.J., and Anderson, M.P., 2006, Estimating recharge rates with analytic element models and parameter estimation. Ground Water 44(1):47-55. Water Availability--Great Lakes Basin Neff, B.P., Piggott, A.R., and Sheets, R.A., 2006, Estimation of shallow ground-water recharge in the Great Lakes basin: U.S. Geological Survey Scientific Investigations Report 2005-5284, 31 p. Atlantic Coastal Zone Ransom, C. III, Landmeyer, J.E., Logan, W.R., and Childress, J.M., 2006, Evaluation of the downward migration of saltwater to the upper Floridan Aquifer in the Savannah, Georiga, and Hilton Head Island, South Carolina, Area, South Carolina Department of Health and Environmental Control, Technical Publication No. 011-06, 48 p. National Overviews Galloway, D.L., Alley, W.M., Barlow, P.M., Reilly, T.E., and Tucci, P., 2003, Evolving Issues and Practices in Managing Ground-Water Resources: Case Studies on the Role of Science U.S. Geological Survey Circular 1247, 73 p. Recharge Nolan, B.T., Healy, R.W., Taber, P.E., Perkins, Kimberlie, Hitt, K.J., and Wolock, D.M., 2007, Factors influencing ground-water recharge in the eastern United States Journal of Hydrology, v. 332, no. 1-2, p. 187-205. Methods Development--Ground Water Alley, W.M., Healy, R.W., LaBaugh, J.W., amd Reilly, T.E., 2002, Flow and storage in ground-water systems Science, v.296, no. 5575, p. 1985-1990. National Overviews Shapiro, A.M., 2002, Fractured-rock aquifers-Understanding an increasingly important source of water U.S. Geological Survey Fact Sheet 112-02, 2 p. Model Development--GSFLOW Markstrom, S.L., Niswonger, R.G., Regan, R.S., Prudic, D.E., and Barlow, P.M., 2008, GSFLOW-Coupled Ground-water and Surface-water FLOW model based on the integration of the Precipitation-Runoff Modeling System (PRMS) and the Modular Ground-Water Flow Model (MODFLOW-2005): U.S. Geological Survey Techniques and Methods 6-D1, 240 p. Model Development--GWM Ahlfeld, D.P., Barlow, P.M., and Mulligan, A.E., 2005, GWM—A ground-water management process for the U.S. Geological Survey modular ground-water model (MODFLOW-2000): U.S. Geological Survey Open-File Report 2005-1072, 124 p. Middle Rio Grande Basin Plummer, L.N., Bexfield, L.M., Anderholm, S.K., Sanford, W.E., and Busenberg, E., 2004, Geochemical characterization of ground-water flow in the Santa Fe Group aquifer system, Middle Rio Grande Basin, New Mexico U.S. Geological Survey Water Resources Investigations Report 03-4131, p. 395 Methods Development--Geophysics Singha, K., Day-Lewis, F.D., and Lane, J.W. Jr., 2007, Geoelectrical evidence of bicontinnum transport in groundwater Geophysical Research Letters, Vol. 34, L12401, doi:10.1029/2007GL030019. Methods Development--Geophysics Day-Lewis, F.D. and Singha, K., 2008, Geoelectrical inference of mass transfer parameters using temporal moments: Water Resour. Res., 44, W05201, doi:10.1029/2007WR006750. Ground-Water Availability--Mississippi Embayment Hart, R.M. and Clark, B.R., 2008, Geophysical Log Database for the Mississippi Embayment Regional Aquifer Study (MERAS): U.S. Geological Survey Scientific Investigations Report 2008-5192. Water Availability--Great Lakes Basin Grannemann, N.G. and Reeves, H.W., 2006, Great Lakes Basin Water Availability and Use: U.S. Geological Survey Fact Sheet 2005-3113, 4 p. National Overviews 1999, Ground Water Atlas of the United States U.S. Geological Survey Hydrologic Atlas 730 National Overviews Winter, T.C., Harvey, J.W., Franke, O.L., and Alley, W.M., 1998, Ground Water and Surface - Water A Single Resource: U.S. Geological Survey Circular 1139, 79 p. Atlantic Coastal Zone Bratton, John F., Böhlke, J.K., Manheim, Frank T., Krantz, David E., 2004, Ground water beneath coastal bays of the Delmarva Peninsula: Ages and nutrients: Ground Water, vol. 42, no. 7, p. 1021-1034. Ground-Water Availability--Columbia Plateau Morgan, D.S., Dinicola, R.S., and Bartolino, J.R., 2008, Ground-Water Availability Assessment for the Columbia Plateau Regional Aquifer System, Washington, Oregon, and Idaho: U.S. Geological Survey Fact Sheet 2008-3086, 2 p. Ground-Water Availability Reilly, T.E., Dennehy, K.F., Alley, W.M., and Cunningham, W.L., 2008, Ground-Water Availability in the United States: U.S. Geological Survey Circular 1323, 70 p. High Plains Water Levels Bartolino, J.R., and Cunningham, W.L., 2003, Ground-Water Depletion Across the Nation U.S. Geological Survey Fact Sheet FS-103-03, 4 p. National Overviews Dennehy, K.F., 2005, Ground-Water Resources Program U.S. Geological Survey Fact Sheet 2005-3097, 4 p. Methods Development--Water Levels Taylor, C.J. and Alley, W.M., 2001, Ground-Water-Level Monitoring and the Importance of Long-Term Water-Level Data U.S. Geological Survey Circular 1217, 68 p. Recharge--Minnesota Delin, G.N., and Falteisek, J.D., 2007, Ground-water recharge in Minnesota: U.S. Geological Survey Fact Sheet 2007-3002, 6 p. Recharge Delin, G.N., and Risser, D.W., 2007, Ground-water recharge in humid areas of the United States: A summary of ground-water resources program studies, 2003-2006: U.S. Geological Survey Fact Sheet 2007-3007, 4 p. Southwest Ground-Water Resources Stonestrom. D.A., Constantz, J., Ferre, T.P.A., and Leake, S.A., 2007, Ground-water recharge in the arid and semi-arid southwestern United States: U.S. Geological Survey Professional Paper 1703, 414 p. Middle Rio Grande Basin Bartolino, J.R., Cole, J.C., and Hester, D.J., 2002, Ground-water resources of the Middle Rio Grande Basin, New Mexico U.S. Geological Survey Fact Sheet 088-02, 6 p. Middle Rio Grande Basin Bartolino, J.R. and Cole, J.C., 2002, Ground-water resources of the Middle Rio Grande Basin, New Mexico U.S. Geological Survey Circular 1222, 132 p. Southwest Ground-Water Resources Webb, R.H, and Leake, S.A., 2006, Ground-water surface-water interactions and long-term change in riverine riparian vegetation in the southwestern United States: Journal of Hydrology 320, pp. 302-323. Model Development--Ground Water Flow Reilly, T.E. and Harbaugh, A.W., 2004, Guidelines for Evaluating Ground-Water Flow Models U.S. Geological Survey Scientific Investigations Report 2004-5038. Methods Development--Heat Stonestrom, D.A. and Constantz, J. (eds.), 2003, Heat as a tool for studing the movement of ground water near streams U.S. Geological Survey Circular 1260, 96 p. Water Availability--Great Lakes Basin Hodgkins, G.A., Dudley, R.W., and Aichele, S.S., 2007, Historical changes in precipitation and streamflow in the U.S. Great Lakes Basin, 1915–2004: U.S. Geological Survey Scientific Investigations Report 2007–5118, 31 p. Karst Taylor, C.J., Nelson, H.L., Hileman, G., and Kaiser, W.P., 2005, Hydrogeologic framework mapping of shallow, conduit-dominated karst--components of a regional GIS-based approach, in U.S. Geological Survey Karst Interest Group Proceedings, Rapid City, South Dakota, September 12-15, 2005, Kuniansky, E.L., (ed.): U.S. Geological Survey Scientific Investigations Report 2005-5160, p. 103-113. Atlantic Coastal Zone Krantz, David E., Frank T. Manheim, John F. Bratton, Daniel J. Phelan, 2004, Hydrogeologic setting and ground water flow beneath a section of Indian River Bay, Delaware: Ground Water, vol. 42, no. 7, p. 1035-1051. US-Canada Transboundary Studies--Aquifer Characterization Nastev, M., Lamontagne, C., Morin, R., Williams, J., Lavigne, M., Croteau, A., Tremblay, T., Godin, R., Dagenais, M., and Rouleau, A., 2006, Hydrogeology of a transboundary sandstone aquifer, Quebec – New York (poster): American Geophysical Union Fall Meeting, Session H23B, December 5-9, 2005, San Francisco, CA. Recharge Hunt, R.J., Prudic, D.E., Walker, J.F., and Anderson, M.P., 2008, Importance of unsaturated zone flow for simulating recharge in a humid climate: Ground Water, v. 46, no. 4, p. 551-560. Model Development Niswonger, R.G., Prudic, D.E., Pohll, G., Constantz, J., 2005, Incorporating seepage losses into the unsteady streamflow equations for simulating intermittent flow along mountain front streams, Water Resources Research, vol. 41, W06006 Model Development--Geophysics Marksamer, A.J., Person, M.A., Day-Lewis, F.D., Lane, J.W., Jr., Cohen, D., Dugan, B., Kooi, H., and Willett, M., 2007, Integrating geophysical, hydrologic, geochemical and isotopic data with numerical modeling to understand the freshwater-saltwater interface on Nantucket Island, Massachusetts, in Hyndman, D.W., Day-Lewis, F.D., and Singha K., eds., Subsurface Hydrology — Data Integration for Properties and Processes: American Geophysical Union, Monograph 171, p.143-159. US-Mexico Border Environmnental Health Initiative Papoulias, D.M., Parcher, J.W., Stefanov, J., Page, W.R., 2006, Interdisciplinary Science in Support of Environmental Health along the United States—Mexico Border U.S. Geological Survey Fact Sheet FS 06-3054 US-Mexico Border Environmnental Health Initiative Buckler, D. and Stefanov, J., 2004, Internet Map Service for Environmental Health in the U.S. Mexico Border Region USGS Fact Sheet 2004-3140 Ground-Water Availability--Central Valley Schmid, W. and Maddock III, T., 2004, Interstate and International Conjunctive Surface-Water/Ground-Water Management using the Farm Package for MODFLOW-2000 Transboundary Waters Management Symposium, Proceedings Paper, Tucson, Arizona, November 16-19, 2004 Methods Development--Geophysics Loke, M.H., and Lane, J.W., Jr., 2004, Inversion of data from electrical resistivity imaging surveys in water-covered areas: Exploration Geophysics, v. 35, p. 266-271. Model Development--MODFLOW Banta, E.R., Poeter, E.P., Doherty, J.E., and Hill, M.C., 2006, JUPITER: Joint Universal Parameter IdenTification and Evaluation of Reliability—An application programming interface (API) for model analysis U.S. Geological Survey Techniques and Methods 6-E1, 268 p. Water Availability--Great Lakes Basin Wilcox, D.A., Thompson, T.A., Booth, R.K., and Nicholas, J.R., 2007, Lake-level variability and water availability in the Great Lakes U.S. Geological Survey Circular 1311, 25 p. Water Availability Wilcox, D.A., Thompson, T.A., Booth, R.K., and Nicholas, J.R., 2007, Lake-level variability and water availability in the Great Lakes: U.S. Geological Survey Circular 1311, 25 p. Land Subsidence Galloway, D.L., Jones, D.R., and Ingebritsen, S.E., 1999, Land Subsidence in the United States U.S. Geological Survey Circular 1182, p. 177 Land Subsidence Galloway, D.L., Jones, D.R., and Ingebritsen, S.E., 2000, Land Subsidence in the United States U.S. Geological Survey Fact Sheet 165-00, p. 4 Ground Water/Surface Water Interaction Konrad, C.P., 2006, Location and timing of river-aquifer exchanges in six tributaries to the Columbia River in the Pacific Northwest of the United States Journal of Hydrology, 329, p. 444-470 Ground Water/Surface Water Interaction Konard, C.P., 2006, Longitudinal hydraulic analysis of river-aquifer exchanges Water Resources Research, Vol. 42, W08425, doi:10.1029/2005WR004197 Model Development--Subsidence Leake, S.A., and Galloway, D.L., 2007, MODFLOW ground-water model—User guide to the Subsidence and Aquifer-System Compaction Package (SUB-WT) for water-table aquifers: U.S. Geological Survey, Techniques and Methods 6–A23, 42 p. Model Development--SEAWAT Langevin, C.D., Shoemaker, W.B., and Guo, Weixing, 2004, MODFLOW-2000, the U.S. Geological Survey Modular Ground-Water Model–Documentation of the SEAWAT-2000 Version with the Variable-Density Flow Process (VDF) and the Integrated MT3DMS Transport Process (IMT): U.S. Geological Survey Open-File Report 03-426, 43 p. Model Development--Grid Refinement Mehl, S., and Hill, M.C., 2005, MODFLOW-2005, The U.S. Geological Survey Modular Ground-Water Model -- Documentation of Shared Node Local Grid Refinement (LGR) and the Boundary Flow and Head (BFH) Package, Techniques and Methods, Techniques and Methods, TM6-A12. Model Development--SEAWAT Langevin, C.D. and Guo, W., 2006, MODFLOW/MT3DMS-based simulation of variable density ground water flow and transport Ground Water vol. 44, no. 3:339-351. Model Development--Geophysics Ivanov, J., Miller, R.D., Lane, J.W., Jr., and Lacombe, P.J., 2006, Mapping a shallow fault zone and dipping layers using MASW technique with a landstreamer: Geophysics, v. 71, no. 5, p. A39-A42. Land Subsidence Bawden, G.W., Sneed, M., Stork, S.V., and Galloway, D.L., 2003, Measuring human-induced land subsidence from space U.S. Geological Survey Fact Sheet FS-069-03, p. 4 Ground-Water Availability--Southwest Alluvial Basin Tillman, F.D, Leake, S.A., Flynn, M.E., Cordova, J.T., Schonauer, K.T., and Dickinson, J.E., 2008, Methods and indicators for assessment of regional ground-water conditions in the southwestern United States: U.S. Geological Survey Scientific Investigations Report 2008-5209, 22 p. Methods Development--Ground Water Flow Leake, S.A., 1997, Modeling Ground-Water Flow with MODFLOW and Related Programs U.S. Geological Survey Fact Sheet 121-97, 4 p. Model Development--Unsaturated Zone Niswonger, R.G., and D.E. Prudic., 2004, Modeling variably saturated flow using kinematic waves in MODFLOW, in Groundwater Recharge in a Desert Environment: The Southwestern United States, edited by Hogan, J.F., Phillips, F.M., and Scanlon, B.R. Water Science and Applications Series, v. 9, American Geophysical Union, Washington, D.C., 101-112. Model Development--SEAWAT Dausman, A.M. and Langevin, C.D., 2005, Movement of the saltwater interface in the Surficial Aquifer System in response to hydrologic stresses and water-management practices, Broward County, Florida U.S. Geological Survey Scientific Investigations Report 2004-5256. Recharge--North Carolina Coes, A.L., Spruill, T.B., and Thomasson, M.J., 2007, Multiple-method estimation of recharge rates at diverse locations in the North Carolina Coastal Plain Hydrogeology Journal, 16p. Recharge--Pennsylvania Heppner, C.S., Nimmo, J.R., Folmar, G.J., Gburek, W.J., and Risser, D.W., 2007, Multiple-methods investigation of recharge at a humid-region fractured rock site, Pennsylvania, USA Hydrogeology Journal, 13 p. Model Development--SUTRA/FL Platform Hughes, J.D., Sanford, W.E., and Vacher, H.L., 2005, Numerical simulation of double-diffusive finger convection, Water Resources Research, vol. 41, W01019 Model Development--SEAWAT Langevin, C.D. and Dausman, A.M., 2005, Numerical simulation of saltwater intrusion in response to sea-level rise: American Society of Civil Engineers, Anchorage, Alaska, May 15-19, 2005. Sparta Aquifer Water Levels Schrader, T.P., 2008, Potentiometric surface in the Sparta-Memphis Aquifer of the Mississippi Embayment, Spring 2007: U.S. Geological Survey Scientific Investigations Map 3014. US-Mexico Border Environmnental Health Initiative Page, W.R., VanSistine, D Paco, and Turner, K.J., 2005, Preliminary geologic map of southernmost Texas and parts of Tamaulipas and Nuevo Leon, Mexico U.S. Geological Survey Open-File Report, 1:250,000-scale. National Overviews Principal Aquifers of the United States--Aquifers of Alluvial and Glacial Origin, 1:2,500,000 (download spatial data set) National Overviews Principal Aquifers of the United States--Printed wall map, 1:5,000,000 National Overviews Principal Aquifers of the United States--U.S. Aquifers data, 1:2,500,000 (download spatial data set) Atlantic Coastal Zone Pope, J.P., McFarland, E.R., Banks, R.B., 2008, Private domestic-well characteristics and the distribution of domestic withdrawals among aquifers in the Virginia Coastal Plain: U.S. Geological Survey Scientific Investigations Report 2007-5250, 47 p. National Overviews Cunningham, W.L., 2001, Real-Time Ground-Water Data for the Nation U.S. Geological Survey Fact Sheet 090-01, 2 p. Water Availability and Use Barlow, P.M. and others, 2002, Report to Congress--Concepts for National Assessment of Water Availability and Use U.S. Geological Survey Circular 1223, 34 p. Model Development--SEAWAT Langevin, C.D., Thorne, D.T., Jr., Dausman, A.M., Sukop, M.C., and Guo, W., 2008, SEAWAT Version 4: A computer program for simulation of Multi-Species Solute and Heat Transport: U.S. Geological Survey Techiques and Methods Book 6, Chapter A22, 39 p. Model Development--SUTRA Voss, C. I., and Provost, A. M., 2002, SUTRA - A model for saturated-unsaturated variable-density ground-water flow with solute or energy transport, U.S. Geological Survey Water-Resources Investigations Report 02-4231, 250 p. Recharge Juckem, P.F., Hunt, R.J., and Anderson, M.P., 2005, Scale effects of hydrostratigraphy and recharge zonation on base flow Ground Water, v. 44, no. 3, p. 362-370. US-Mexico Border Environmnental Health Initiative Buckler, D. and Strom, E., 2004, Science Data in Support of Environmental Health Studies in the U.S.-Mexico Border Region USGS Fact Sheet 2004-3013 Ground-Water Availability--Carolina Coastal Plain Harrelson, L.G., and Fine, J.M., 2006, Selected well data used in determining ground-water availability in the North and South Carolina Atlantic Coastal Plain Aquifer Systems USGS Open File Report 2006-1298, 81 p. Ground-Water Availability--Central Valley Hanson, R.T., Faunt, C.C., and Schmid, W., 2006, Simulation of Conjunctive Water Use in the Central Valley using the Farm Process for MODFLOW 4th Biennial CALFED Science Conference 2006--Making Sense of Complexity: Science for a Changing Environment, October 23-25, 2006, Sacramento, CA. Model Development--SEAWAT Langevin, Christian D., Swain, Eric D., and Wolfert, Melinda A., 2004, Simulation of Integrated Surface-Water/Ground-Water Flow and Salinity for a Coastal Wetland and Adjacent Estuary: USGS OFR 2004-1097, 30 p. Model Development--Farm Package Schmid, W., and Hanson, R.T., 2007, Simulation of Intra- or Trans-Boundary Water-Rights Hierarchies using the Farm Process for MODFLOW-2000, ASCE Journal of Water Resources Planning and Management, Vol. 133, No. 2, pp. 166-178 ( DOI: 10.1061/ (ASCE) 0733-9496 (2007) 133:2 (166)). Model Development--SEAWAT Langevin, C.D., 2001, Simulation of ground-water discharge to Biscayne Bay, southeastern Florida: U.S. Geological Survey Water-Resources Investigations Report 00-4251, 127 p. Karst--Shenandoah Valley Yager, R.M., Southworth, Scott, and Voss, C.I., 2008, Simulation of ground-water flow in the Shenandoah Valley, Virginia and West Virginia, using variable-direction anisotropy in hydraulic conductivity to represent bedrock structure: U.S. Geological Survey Scientific Investigations Report 2008-5002, 54 p. Model Development--SEAWAT Langevin, C.D., Swain, E.D., and Wolfert, M.A., 2005, Simulation of integrated surface-water/ground-water flow and salinity for a coastal wetland and adjacent estuary Journal of Hydrology 314, 212-234. Model Development--SEAWAT Langevin, C.D., 2003, Simulation of submarine ground water discharge to a marine estuary: Biscayne Bay, Florida: Biscayne Bay, Florida: Ground Water 41, no. 6: 758-771. National Overviews 1998, Strategic Directions for the U.S. Geological Survey Ground-Water Resources Program A Report to Congress National Overviews Alley, W.M., Reilly, T.E., and Franke, O.L., 1999, Sustainability of Ground-Water Resources U.S. Geological Survey Circular 1186, 79 p. Model Development--SUTRA Provost, A.M., 2002, SutraPrep, a pre-processor for SUTRA, a model for ground-water flow with solute or energy transport: U.S. Geological Survey Open-File Report 02-376, 43 p. Model Development--Grid Refinement Mehl, S.W., and Hill, M.C., 2007, The U.S. Geological Survey modular ground-water model—Documentation of the multiple-refined-areas capability of local grid refinement (LGR) and the boundary flow and head (BFH) package: U.S. Geological Survey Techniques and Methods 6-A21, 13 p. Recharge--Great Lakes Gebert, W.A., Kennedy, J.L., and Hunt, R.J., 2005, The importance of spatial and temporal variability in recharge in Neff, B.P., Piggott, A.R., and Sheets, R.A., Estimation of shallow ground-water recharge in the Great Lakes Basin: U.S. Geological Survey Scientific Investigations Report 2005-5284, 20 p. Model Development--SEAWAT Bakker, M., Oude Essink, G.H.P., and Langevin, C.D., 2004, The rotating movement of three immiscible fluids - a benchmark problem. Journal of Hydrology 287, 270-278. Methods Development--Geophysics Pool, D.H., 2008, The utility of gravity and water-level monitoring at alluvial aquifer wells in southern Arizona Geophysics, vol. 73, no. 6 (November-December 2008) P. WA49-WA59, 10.1190/1.2980395 Model Development--Grid Refinement Mehl, S. and Hill, M.C., 2004, Three-Dimensional Local Grid Refinement for Block-Centered Finite-Difference Groundwater Models Using Iteratively Coupled Shared Nodes: A new method of interpolation and analysis of errors. Advances in Water Resources, 27(9): 899-912. Model Development--SEAWAT Mao, X., Prommer, H., Barry, D.A., Langevin, C.D., Panteleit, B., and Li, L., 2006, Three-dimensional model for multi-component reactive transport with variable density groundwater flow Environmental Modelling & Software vol. 21, no. 5:615-628. Methods Development--Tracers Plummer, L.N. and Friedman, L.C., 1999, Tracing and dating young ground water U.S. Geological Survey Fact Sheet 134-99, 4 p. National Overviews Grannemann, N.G., 2001, U.S. Geological Survey Ground-Water Resources Program, 2001 U.S. Geological Survey Fact Sheet 056-01, 2 p. Karst Kuniansky, E.L., 2008, U.S. Geological Survey Karst Interest Group Proceedings, Bowling Green, Kentucky, May 27-29, 2008: U.S. Geological Survey Scientific Investigations Report 2008-5023, 142 p. Model Development--MODFLOW Poeter, E.P., Hill, M.C., Banta, E.R., Mehl, Steffen, and Christensen, Steen, 2005, UCODE_2005 and six other computer codes for universal sensitivity analysis, calibration, and uncertainty evaluation constructed using the JUPITER API U.S. Geological Survey Techniques and Methods 6-A11, 283 p. Middle Rio Grande Basin Sanford, W.E., Plummer, N., McAda, D.P., Bexfield, L.M., and Anderholm, S.A., 2004, Use of Environmnetal Tracers to Estimate Parameters for a Predevelopment Ground_Water-Flow Model of the Middle Rio Grande Basin, New Mexico, U.S. Geological Survey Water-Resources Investigations Report 03-4286, 102 p. Model Development--Geophysics Johnson, C.D., and Williams, J.H., 2006, Use of cross-hole flowmeter logging to characterize fracture connectivity and fracture flow during a pumping test at the NAWC site, West Trenton, New Jersey [abs.]: Geological Society of America Abstracts with Programs, v. 38, no. 7, p. 528, Paper no. 219-10. Model Development--GWM Barlow, P.M., 2005, Use of simulation-optimization modeling to assess regional ground-water systems: U.S. Geological Survey Fact Sheet 2005-3095, 4 p. Recharge--Wisconsin Gebert, W.A., Radloff, M.J., Considine, E.J., and Kennedy, J.L., 2007, Use of streamflow data to estimate base flow/ground-water recharge for Wisconsin Journal of the American Water Resources Association, v. 43, no. 1, p. 220-236. Model Development--Farm Package Schmid, Wolfgang, Hanson, R.T., Maddock, Thomas, III, Leake, S.A., 2006, User guide for the farm process (FMP1) for the U.S. Geological Survey’s modular three-dimensional finite-difference ground-water flow model, MODFLOW-2000 U.S. Geological Survey Techniques and Methods 6-A17, 127 p. Methods Development--Heat Stonestrom, D.A. and Constantz, J., 2004, Using temperature to studystream-ground water exchanges U.S. Geological Survey Fact Sheet 2004-3010, 4 p. High Plains Water Levels McGuire, V.L., Johnson, M.R., Schieffer, R.L., Stanton, J.S., Sebree, S.K., and Verstraeten, I.M., 2003, Water in storage and approaches to ground-water management, High Plains aquifer, 2000: U.S. Geological Survey Circular 1243. High Plains Water Levels Dugan, J.T., and Sharpe, J.B., 1996, Water-Level Changes in the High Plains Aquifer, 1980 to 1994: U.S. Geological Survey Fact Sheet 215-95, 4 p. High Plains Water Levels McGuire, V.L., 2007, Water-Level Changes in the High Plains Aquifer, Predevelopment to 2005 and 2003 to 2005: U.S. Geological Survey Scientific Investigations Report 2006-5324. High Plains Water Levels Dugan, J.T., and Sharpe, J.B., 1996, Water-Level Changes in the High Plains aquifer, Predevelopment to 1994: U.S. Geological Survey Water-Resources Investigations Report 95-4208, 1 sheet. Atlantic Coastal Plain Water Levels DePaul, V.T., Rice, D.E., Zapecza, O.S., 2008, Water-Level changes in aquifers of the Atlantic Coastal Plain, predevelopment to 2000: U.S. Geological Survey Scientific Investigations Report 2007-5247, 88 p. High Plains Water Levels McGuire, V.L., and Sharpe, J.B., 1997, Water-level changes in High Plains aquifer, 1980 to 1995: U.S. Geological Survey Fact Sheet 068-97, 4 p. High Plains Water Levels McGuire, V.L., 2001, Water-level changes in High Plains aquifer, 1980 to 1999: U.S. Geological Survey Fact Sheet FS-029-01. High Plains Water Levels McGuire, V.L., 2003, Water-level changes in the High Plains Aquifer, predevelopment to 2001, 1999 to 2000, and 2000 to 2001: U.S. Geological Survey Fact Sheet FS-078-03. High Plains Water Levels McGuire, V.L., 2004, Water-level changes in the High Plains Aquifer, predevelopment to 2002, 1980 to 2002, and 2001 to 2002: U.S. Geological Survey Fact Sheet FS-2004-3026. High Plains Water Levels Kastner, W.M., Schild, D.E., and Spahr, D.S., 1989, Water-level changes in the High Plains aquifer underlying parts of South Dakota, Wyoming, Nebraska, Colorado, Kansas, New Mexico, Oklahoma, and Texas--Predevelopment through nonirrigation season 1987-1988: U.S. Geological Survey Water-Resources Investigations Report 89-4073, 61 p. High Plains Water Levels Dugan, J.T., Schild, D.E., and Kastner, W.M., 1990, Water-level changes in the High Plains aquifer underlying parts of South Dakota, Wyoming, Nebraska, Colorado, Kansas, New Mexico, Oklahoma, and Texas--Predevelopment through nonirrigation season 1988-89: U.S. Geological Survey Water-Resources Investigations Report 90-4153, 29 p. High Plains Water Levels Dugan, J.T., and Schild, D.E., 1992, Water-level changes in the High Plains aquifer—Predevelopment to 1990: U.S. Geological Survey Water-Resources Investigations Report 91-4165, 55 p. High Plains Water Levels McGrath, T.S., and Dugan, J.T., 1993, Water-level changes in the High Plains aquifer—Predevelopment to 1991: U.S. Geological Survey Water-Resources Investigations Report 93-4088, 53 p. High Plains Water Levels Dugan, J.T., McGrath, T.S., and Zelt, R.B., 1994, Water-level changes in the High Plains aquifer—Predevelopment to 1992: U.S. Geological Survey Water-Resources Investigations Report 94-4027, 56 p. High Plains Water Levels Dugan, J.T., and Cox, D.A., 1994, Water-level changes in the High Plains aquifer—Predevelopment to 1993: U.S. Geological Survey Water-Resources Investigations Report 94-4157, 60 p. High Plains Water Levels McGuire, V.L., and Fischer, B.C., 1999, Water-level changes, 1980 to 1997, and saturated thickness, 1996-97, in the High Plains aquifer: U.S. Geological Survey Fact Sheet 128-99, 4 p. Methods Development--Geophysics Liu, Lanbo, Lane, J.W., Jr., Day-Lewis, F.D., and Zhu, Lieyuan, 2006, Wave interferometry applied to borehole radar data—virtual monostatic and multi-offset reflection profiling 11th International Conference on Ground Penetrating Radar, Columbus, Ohio, June 19-22, 2006, Proceedings, CD-ROM, 5 p. Recharge--Wisconsin Magnuson, J.J., Krohelski, J.T., Kunkel, K.E., and Robertson, D.M., 2003, Wisconsin's water and climate: Historical chnages and possible futures. Wisconsin Academy of Sciences, Arts and Letters Transactions 92:23-36.
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