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Press Release: Study Explores Groundwater and Geothermal Energy in Drought-Stricken Eastern Oregon and Neighboring States

Technical Announcement: USGS Issues Revised Framework for Hydrogeology of Floridan Aquifer

Press Release: High Plains Aquifer Groundwater Levels Continue to Decline

Regional Groundwater Availability Study Geospatial Data

Press Release: USGS Assesses Current Groundwater-Quality Conditions in the Williston Basin Oil Production Area

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Recession-Curve Displacement Method for Estimating Groundwater Recharge In Humid Regions

References for the Recession-Curve Displacement Method

Bevans, H.E., 1986, Estimating stream-aquifer interactions in coal areas of eastern Kansas by using streamflow records, in Subitzky, Seymour, ed., Selected papers in the Hydrologic Sciences: U.S. Geological Survey Water-Supply Paper 2290, p. 51-64.

Chen, W.P., and Lee, C.H., 2003, Estimating ground-water recharge from streamflow records: Environmental Geology, vol 44., p. 257-265.

Coes, A.L., Spruill, T.B., and Thomasson, M.J., 2007, Comparison of recharge rates estimated from multiple methods for a shallow unconfined aquifer: Hydrogeology Journal, accessed online Feb 7, 2007 at http://dx.doi.org/10.1007/s10040-006-0123-3

Daniel, J.F., 1976, Estimating groundwater evapotranspiration from streamflow records: Water Resources Research, v. 12, no. 3 p. 360-364.

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, vol. 334, no. 1-2, p.231-249.

Dumouchelle, D.H., and Schiefer, M.C., 2002, Use of streamflow records and basin characteristics to estimate ground-water recharge rates in Ohio: Ohio Dept. of Natural Resources, Division of Water, Bulletin 46, 32 p.

Flynn, R.H., and Tasker, G.D., 2004, Generalized estimates from streamflow data of annual and seasonal ground-water-recharge rates for drainage basins in New Hampshire: U.S. Geological Survey Scientific Investigations Report 2004-5019 27 p.

Glover, R. E., 1964, Ground-water movement: U.S. Bureau of Reclamation Engineering Monograph Series no. 31, p. 31-34.

Halford, K.J., and Mayer, G.C., 2000, Problems associated with estimating ground water discharge and recharge from stream-discharge records: Ground Water, vol. 38, no. 3, p. 331-342.

Lorenz, D.W., and Delin, G.N., A regression model to estimate regional ground-water recharge in Minnesota: Ground Water Vol 45, no. 2, p 196-208.

Mau, D.P., and Winter, T.C., 1996, Estimating ground-water recharge from streamflow hydrographs from a small mountain watershed in a temperate humid climate, New Hampshire, USA: Ground Water, vol. 35, no. 2, p. 291-304.

Risser, D.W., Conger, R.W., Ulrich, J.E., and Asmussen, M.P., 2005a, Estimates of ground-water recharge based on streamflow-hydrograph methods: Pennsylvania: U.S. Geological Survey Open-File Report 2005-1333, 30 p.

Risser, D.W., Gburek, W.J., and Folmar, G.J., 2005b, Comparison of methods for estimating ground-water recharge and base flow at a small watershed underlain by fractured bedrock in the eastern United States: U.S. Geological Survey Scientific Investigations Report 2005-5038, 31 p.

Rorabaugh, M.I., 1960, Use of water levels in estimating aquifer constants in a finite aquifer: International Association of Scientific Hydrology, Publication 52, p. 314-323

Rorabaugh, M.I., 1964, Estimating changes in bank storage and ground-water contribution to streamflow: International Association of Scientific Hydrology, Publication 63, p. 432-441.

Rorabaugh, M.I. and Simons, W.D., 1966, Exploration of methods relating ground water to surface water, Columbia River basin – second phase: U.S. Geological Survey Open-File Report, 62 p.

Ruhl, J.F., Kanivetsky, Roman, Shmagin, Boris, 2002, Estimates of recharge to unconfined aquifers and leakage to confined aquifers in the seven-county metropolitan area of Minneapolis-St. Paul, Minnesota, U.S. Geological Survey Water-Resources Investigations Report 02-4092, 32 p.

Rutledge, A.T., 1997, Model estimated ground-water recharge and hydrograph of ground-water discharge to a stream: U.S. Geol. Survey Water Resources Investigations Report 97-4253, 29 p.

Rutledge, A.T., 1998, Computer programs for describing the recession of ground-water discharge and for estimating mean ground-water recharge and discharge from streamflow data – update: U.S. Geological Survey Water-Resources Investigations Report 98-4148, 43 p.

Rutledge, A.T., 2000, Considerations for use of the RORA program to estimate ground-water recharge from streamflow records: U.S. Geological Survey Open-File Report 00-156, 44 p.

Rutledge, A.T., 2002, User guide for the PULSE program: U.S. Geological Survey Open-File Report 02-455, p. 34.

Rutledge, A.T., 2004, Use of RORA for complex ground-water flow conditions: U.S. Geological Survey Water-Resources Investigations Report 2003-4304, 5 p.

Rutledge, A.T. and Mesko, T.O., 1996, Estimated hydrologic characteristics of shallow aquifer systems in the Valley and Ridge, the Blue Ridge, and the Piedmont physiographic provinces based on analysis of streamflow recession and base flow: U.S. Geological Survey Professional Paper 1422-B, 58 p.

Sun, Honging, 2004, Estimating the fate of precipitation from stream discharge: A case study in New Jersey: Bulletin New Jersey Academy of Science, vol 49, no. 2, p. 9-15.