Online Publications: Water Research*/Scientific Investigations Reports

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*Water Resources Investigations Reports have been replaced by Scientific Investigations Report as of 2004

• SIR 2006-5146
  By Kernell G. Ries III and Jonathan J.A. Dillow, Magnitude and Frequency of Floods on Nontidal Streams in Delaware 65p.

• SIR 2006-5094
  By John W. Brakebill, Jennifer B. Sieverling, and Peter G. Chirico, Proceedings of the U.S. Geological Survey Sixth Biennial Geographic Information Science Workshop, Denver, Colorado, April 24-28, 2006 58p.

• SIR 2006-5080
  By Jonathan J.A. Dillow and Jeff P. Raffensperger, Estimates of the Loads of Nitrite + Nitrate in the Flow of Bassett Creek to the Maryland Coastal Bays Adjacent to Assateague Island National Seashore, Water Years 2003–2004 18p.

• SIR 2006-5038
  By Angélica L. Gutiérrez-Magness, Simulation of Nutrient and Sediment Concentrations and Loads in the Delaware Inland Bays Watershed: Extension of the Hydrologic and Water-Quality Model to Ungaged Segments 36p.

• SIR 2006-5011
  By Michael T. Koterba, A. Scott Andres (Delaware Geological Survey), Joseph Vrabel, Dianna M. Crilley, Zolton Szabo, John F. DeWild, George R. Aiken, and Betzaida Reyes-Padro, Occurrence and Distribution of Mercury in the Surficial Aquifer, Long Neck Peninsula, Sussex County, Delaware, 2003-04 175p.

• SIR 2005-5057
  By Michelle M. Lorah, Tracey A. Spencer, and Angela L. McGinty, Temporal Changes in Indicators of Natural Attenuation and Physical Controlling Factors for a Freshwater Tidal Wetland Contaminated With Chlorinated Volatile Organic Compounds, West Branch Canal Creek, Aberdeen Proving Ground, Maryland, 1995-2001 64p.

• SIR 2004-5220
  By Michelle M. Lorah, David R. Burris, and Linda Jo Dyer, Natural Attenuation of Chlorinated Solvent Ground-Water Plumes Discharging Into Wetlands 233p.

• SIR 2004-5125
  By Michael P. Senus, Michael J. Langland, and Douglas L. Moyer, Nutrient and Sediment Concentrations, Loads, and Trends for Four Nontidal Tributaries in the Chesapeake Bay Watershed, 1997-2001 33p.

• SIR 2004-5118
  By Earl A. Greene, Andrew E. LaMotte, and Kerri-Ann Cullinan, Ground-Water Vulnerability to Nitrate Contamination at Multiple Thresholds in the Mid-Atlantic Region Using Spatial Probability Models, 24p.

• SIR 2004-5056
  By Allen C. Gellis, William S.L. Banks, Michael J. Langland, and Sarah K. Martucci, Summary of Suspended-Sediment Data for Streams Draining the Chesapeake Bay Watershed, Water Years 1952–2002, 59p.

• SIR 2004-5051
  By Scott W. Ator, Judith M. Denver, and Michael J. Brayton, Hydrologic and Geochemical Controls on Pesticide and Nutrient Transport to Two Streams on the Delmarva Peninsula, 34 p.

• SIR 2004-5190
  By Lisa D. Olsen and Frederick J. Tenbus, Design and Analysis of a Natural-Gradient Ground-Water Tracer Test in a Freshwater Tidal Wetland, West Branch Canal Creek, Aberdeen Proving Ground, Maryland, 116p.

• SIR 2004-5011
  Marie Stewart, William R. Guertal, and Jeffrey R. Barbaro (USGS) and Timothy McHale (Dover National Test Site), Distribution of Methyl Tert-Butyl Ether (MTBE) and Selected Water-Quality Constituents in the Surficial Aquifer at the Dover National Test Site, Dover Air Force Base, Delaware, 2001, 13 p.

• WRIR 03-4119
  By Michelle M. Lorah, Mary A. Voytek, and Tracey A. Spencer, Preliminary Assessment of Microbial Communities and Biodegradation of Chlorinated Volatile Organic Compounds in Wetlands at Cluster 13, Lauderick Creek Area, Aberdeen Proving Ground, Maryland, 19 p.

• WRIR 03-4124
  Angélica L. Gutiérrez-Magness and Jeff P. Raffensperger, Development, Calibration, and Analysis of a Hydrologic and Water-Quality Model of the Delaware Inland Bays Watershed, 46 p.

• WRIR 03-4294
  By Earl A. Greene, Allen M. Shapiro, and Andrew E. LaMotte, Hydrogeologic Controls on Ground-Water Discharge to the Washington METRO Subway Tunnel Near the Medical Center Station and Crossover, Montgomery County, Maryland, 33 p.

• WRIR 02-4282
  Daniel J. Soeder and Cherie V. Miller, Ground-Water Contamination from Lead Shot at Prime Hook National Wildlife Refuge, Sussex County, Delaware, 26 p.

• WRIR 02-4076
  Daniel J. Phelan, William B. Fleck, Michelle M. Lorah, and Lisa D. Olsen, Changes in Ground-Water Quality in the Canal Creek Aquifer Between 1995 and 2000–2001, West Branch Canal Creek Area, Aberdeen Proving Ground, Maryland, 42 p.

• WRIR 02-4157
  Michelle M. Lorah, Mary A. Voytek, Julie D. Kirshtein, and Elizabeth J. (Phillips) Jones, Anaerobic Degradation of 1,1,2,2-Tetrachloroethane and Association with Microbial Communities in a Freshwater Tidal Wetland, Aberdeen Proving Ground, Maryland: Laboratory Experiments and Comparisons to Field Data, 61p.

• WRIR 02-4121
  Jeffrey R. Barbaro and Pradumna P. Neupane, Distribution and Mass Loss of Volatile Organic Compounds in the Surficial Aquifer at Sites FT03, LF13, and WP14/LF15, Dover Air Force Base, Delaware, November 2000–February 2001, 53p.

• WRIR 02-4067
  A.L. Anderson,, C.V. Miller, L.D. Olsen, E.J. Doheny, and D.J. Phelan, 2002, Water quality, sediment quality, and stream-channel classification of Rock Creek, Washington, D.C., 1999-2000, 91 p.

• WRIR 02-4029
  Jonathan J.A. Dillow, William S.L. Banks and Michael J. Smigaj, Ground-Water Quality and Discharge to Chincoteague and Sinepuxent Bays Adjacent to Assateague Island National Seashore, Maryland, 42p.

• WRIR 01-4216
  William S.L. Banks and David A. Battigelli, Occurrence and Distribution of Microbiological Contamination and Enteric Viruses in Shallow Ground Water in Baltimore and Harford Counties, Maryland, 44p.

• WRIR 01-4147
  William S.L. Banks, Cheryl A. Klohe, and David A. Battigelli, Occurrence and Distribution of Enteric Viruses in Shallow Ground Water and Factors Affecting Well Vulnerability to Microbiological Contamination in Worcester and Wicomico Counties, Maryland, 28p.

• WRIR 01-4150
  Jeffry R. Barbaro, Assessment of Natural Attenuation of Ground-Water Contamination at Sites FT03, LF13, and WP14/LF15, Dover Air Force Base, Delaware, 53p.

• WRIR-01-4106
  Frederick J. Tenbus and William B. Fleck, Simulation of Ground-Water Flow and Transport of Chlorinated Hydrocarbons at Graces Quarters, Aberdeen Proving Ground, Maryland, 57p.

• WRIR 00-4283
  William S. L. Banks and Jonathan J.A. Dillow, Optimization of Ground-Water Withdrawal at the Old O-Field Area, Aberdeen Proving Ground, Maryland, 23p.

• WRIR-00-4156
  Steven E. Yochum, A Revised Load Estimation Procedure for the Susquehanna, Potomac, Patuxent, and Choptank Rivers, 49p.

• WRIR-00-4232
  Stephen D. Preston, Statistical Identification of Hydrochemical Response Units for Hydrologic Monitoring and Modeling in Maryland

• WRIR 99-4240
  William S.L. Banks and Andrew E. LaMotte, Sediment Accumulation and Water Volume in Loch Raven Reservoir, Baltimore County, Maryland Poster reformatted for the Web.

• WRIR 99-4224
  Kurt C. Hinaman and Frederick J. Tenbus, Hydrogeology and Simulation of Ground-Water Flow at Dover Air Force Base, Delaware, 72p.

• WRIR 99-4167
  Jonathan J.A. Dillow, and Earl A. Greene, Ground-Water Discharge and Nitrate Loadings to the Coastal Bays of Maryland, 8p.

• WRIR 99-4054
  Stephen D. Preston and John W. Brakebill, Application of Spatially Referenced Regression Modeling for the Evaluation of Total Nitrogen Loading in the Chesapeake Bay Watershed 1 table, 12 figures, 12 p.

• WRIR 98-4177
  Linda C. Darrell, Brenda Feit Majedi, Joy S.Lizarraga, and Joel D. Blomquist, Nutrient and Suspended-Sediment Concentrations, Trends, Loads, and Yields from the Nontidal part of the Susquehanna, Potomac, Patuxent, and Choptank Rivers, 1985–96 13 tables, 10 figures, 38 p.

• WRIR 98-4059
  L.J. Bachman, B. Lindsey, J. Brakebill, and D.S. Powars, Ground-Water Discharge and Base Flow Nitrate Loads of Nontidal Streams, and Their Relation to a Hydrogeomorphic Classification of the Chesapeake Bay Watershed, Middle Atlantic Coast

• WRIR 98-4047
  C.A. Donnelly and F.J. Tenbus, Temporal and vertical variation of hydraulic aquifers in the Edgewood Area, Aberdeen Proving Ground, Maryland, 5 tables, 12 figures, 26 p.

• WRIR 97-4280
  Ferrari, M.J., Ator, S.W., Blomquist, J.D., and Dysart, J.E., Pesticides in Surface Water of the Mid-Atlantic Region, 12p.

• WRIR 97-4279
  J.J. Dillow, Technique for Simulating Peak-Flow Hydrographs in Maryland, 39 p.

• WRIR 97-4225
  M.J. Focazio, L.N. Plummer, J.K. Bohike, E. Busenberg, L.J. Bachman, and D.S Powars, Preliminary Estimates of Residence Times and Apparent Ages of Ground Water in the Chesapeake Bay Watershed, and Water Quality Data From a Survey of Springs, 75 p.

• WRIR 97-4171
  M.M. Lorah, L.D. Olsen, B.L. Smith, M.A. Johnson, and W.B. Fleck, Natural Attenuation of Chlorinated Volatile Organic Compounds in a Freshwater Tidal Wetland, Aberdeen Proving Ground, Maryland, 95 p.

• WRIR 97-4139
  S.W. Ator, and M.J. Ferrari, Nitrate and selected pesticides in ground water of the Mid-Atlantic Region, 8 p.

• WRIR 97-4051
  Humbert Zappia, and G.T. Fisher, Water-Quality Assessment of the Potomac River Basin: Analysis of Available Pesticide Data, 1972-90, 80 p.

• WRIR 96-4210
  Humbert Zappia, Chlordane, DDT, PCB's, and Other Selected Organic Compounds in Asiatic Clams and Yellow Bullhead in the Potomac River Basin, Maryland, 1992, 6 p.

• WRIR 95-4099
  Matthew J. Ferrari and Scott W. Ator., Nitrate in Ground Water in the Great Valley Carbonate Subunit of the Potomac River Basin, 6p.

• WRIR 95-4154
  J.J.A. Dillow, Technique for Estimating Magnitude and Frequency of Peak Flows in Maryland, 55 p.

• WRIR 95-4020
  D.H. Carpenter, and D.C. Hayes, Low flow characteristic of streams in Maryland and Delaware, 113 p, 10 plates.
  

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