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Earl Greene

Hydrologist

Contact Info


Short Biography

Earl Greene, Hydrologist, provides science support to the Chief Scientist for Water and the Associate Director for Water on various National Research Program issues. I did my graduate work at the University of Idaho. I began my Federal career with the Research Branch of the US Forest Service in 1983 and moved to the USGS South Dakota Water District Office as a Research Hydrologist and Project Chief in 1986. From 1995 to 1998 I worked with the National Research Program, with a focus on modeling flow and transport of water in karst and fractured rock terrain.  From 1998 to 2005 I was the Hydrogeology Section Chief and Groundwater Specialist for the MD-DE-DC Water Science Center. In 2005, I transferred to a USGS Headquarters staff position in the Office of the Chief Scientist for Hydrology where I currently provide coordination for hydrologic research and science within the Hydrologic Research and Development program and the Hydrologic and Networks Analysis Program.

 

 



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Publications

Taylor, C.J. and Greene, E.A., 2008, Hydrogeologic characterization and methods used in the investigation of karst hydrology: Chapter 3 of Field Techniques for Estimating Water Fluxes Between Surface Water and Ground Water, editors Donald O. Rosenberry and James W. LaBaugh, US Geological Survey Techniques and Methods 4-D2, pp. 71-114.

LaMotte, A.E. and Greene, E.A., 2007, Spatial analysis of land use and shallow groundwater vulnerability in the watershed adjacent to Assateague Island National Seashore, Maryland and Virginia, USA: Environmental Geology, v. 52, 1413-1421.

Greene, Earl A.; LaMotte, Andrew E.; Cullinan, Kerri-Ann; Smith, Elizabeth R., 2005. Ground-water vulnerability to nitrate contamination in the mid-atlantic region. Fact Sheet 2004-3067, 4 p. [Link]

Greene, Earl A.; LaMotte, Andrew E.; Cullinan, Kerri-Ann, 2005. Ground-water vulnerability to nitrate contamination at multiple thresholds in the mid-Atlantic region using spatial probability models. Scientific Investigations Report 2004-5118, 32 p. [Link]

Greene, Earl A.; Shapiro, Allen M.; LaMotte, Andrew E., 2004. Hydrogeologic controls on ground-water discharge to the Washington METRO subway tunnel near the Medical Center station and Crossover, Montgomery County, Maryland. Water-Resources Investigations Report 2003-4294, v, 33 p. : col. ill., col. maps ; 28 cm. [Link]

Greene, E. A.; Shapiro, A. M.; Carter, J. M., 1999. Hydrogeologic characterization of the Minnelusa and Madison aquifers near Spearfish, South Dakota. U.S. Dept. of the Interior, U.S. Geological Survey ; Branch of Information Services [distributor], Water-Resources Investigations Report 98-4156, v, 64 p. :ill., maps ;28 cm.

Dillow, Jonathan J. A.; Greene, Earl A., 1999. Ground-water discharge and nitrate loadings to the coastal bays of Maryland. U.S. Geological Survey, Water-Resources Investigations Report 99-4167, 8 p. :col. ill., col. maps ;28 cm. [Link]

Shapiro, A.M., Oki, D.S., and Greene, E.A., 1998, Estimating formation properties from early-time recovery in wells subject to turbulent head losses: Journal of Hydrology, v. 208, 223-236.

D’Angostino, V., Greene, E.A., Passarella, G., and Vurro, M., 1998, Spatial and temporal study of nitrate concentration in groundwater by means of coregionalization: Environmental Geology, v. 36, 285-295.

Greene, E.A. and Shapiro, A.M. 1998, AIRSLUG: A FORTRAN program for the computation of type curves to estimate storativity from prematurely terminated air-pressurized slug tests: Ground Water, v. 36, No. 2, 373-376.

Greene, E.A., 1997, Tracing recharge from sinking streams over spatial dimensions of kilometers in a karst aquifer: Ground Water, v. 35, No. 5, 898-904.

Greene, Earl A.; Shapiro, Allen M., 1995. Methods of conducting air-pressurized slug tests and computation of type curves for estimating transmissivity and storativity. U.S. Geological Survey ; Earth Science Information Center, Open-File Reports Section [distributor], Open-File Report 95-424, v, 43 p. :ill. ;28 cm. +1 computer disk (3 1/2 in.)

Shapiro, A.M. and Greene, E.A., 1995, Interpretation of prematurely terminated air-pressurized slug tests: Ground Water, v. 33, No. 5, 539-546.

Greene, E.A. and Rahn, P.H., 1995, Localized anisotropic transmissivity in a karst aquifer: Ground Water, v. 33, No. 5, 806-816.

Greene, Earl A., 1993. Hydraulic properties of the Madison aquifer system in the western Rapid City area, South Dakota. U.S. Geological Survey ; Books and Open-File Reports [distributor], Water-Resources Investigations Report 93-4008, vii, 56 p. :ill., maps ;28 cm. [Link]

Roddy, W. R.; Greene, E. A.; Sowards, C. L., 1991. Reconnaissance investigation of water quality, bottom sediment, and biota associated with irrigation drainage in the Belle Fourche Reclamation Project, western South Dakota, 1988-89. U.S. Dept. of the Interior, U.S. Geological Survey ; Books and Open-File Reports [distributor], Water-Resources Investigations Report 90-4192, vi, 113 p. :ill. ;28 cm.

Greene, E. A.; Anderson, M. T.; Sipe, D. D., 1991. Aquifer tests and water-quality analyses of the Arikaree Formation near Pine Ridge, South Dakota. U.S. Geological Survey ; Books and Open-File Reports [distributor], Water-Resources Investigations Report 91-4005, v, 45 p. :ill., maps ;28 cm.

Greene, E. A.; Sowards, C. L.; Hansmann, E. W., 1990. Reconnaissance investigation of water quality, bottom sediment, and biota associated with irrigation drainage in the Angostura Reclamation Unit, southwestern South Dakota, 1988-89. U.S. Geological Survey ; Books and Open-File Reports [distributor], Water-Resources Investigations Report 90-4152, vi, 75 p. :ill., maps ;28 cm.

Greene, E.A., 1989, Use of electronic data-logging equipment to monitor hydrologic parameters in a humid cave environment in Wind Cave National Park, South Dakota: National Speleological Society Bulletin, v. 51, 129-131.






                           

My Science Topics


Science Topic
Subtopic
Hydrologic Processesground-water flow
Hydrologic Processesground-water level
Hydrologic Processeshydrology
Hydrologic Processessaltwater intrusion



My USGS Science Strategy Areas

A Water Census of the United States

Karst and Fractured Rock Hydrogeology

My research is focused on the development of tools and simulation methods to quantify our understanding of water flow in karst and fractured rock terrain. I have developed interpretive methods using quantitative water-tracing tests, conducted with flourescent dyes and isotopes, to delineate groundwater flowpaths and basin boundaries in karst aquifers along with transport parameters (Greene, 1996, 1999). In addition, I have worked to modify traditional aquifer tests given the dual-flow nature of karst aquifers so they can be used to estimate rates of groundwater movement and hydraulic properties such as transmissivity and storativity.  if special consideration is given to the interpretation of the aquifer test data describing the hydraulic properties of the karst aquifer, four physical parameters can be estimated: T, the transmissivity of the solutional openings; S, the storativity of the solutional openings; Sf, the storativity of the network of diffuse fractures; and beta, the rate of fluid exchange between the network of fractures and the solutional openings (Greene, Shapiro, and Carter, 1999).


Contact Information

Earl Greene
5522 Research Park Drive
Baltimore, MD 21228
443-498-5505
703-648-5002 - Fax
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