Ecosystems Research Division

Biographical Information

Name: Stephen R. Kraemer, Ph.D.
Title: Research Hydrologist

Contact Info:
US EPA National Exposure Research Laboratory
960 College Station Road, Athens, GA 30605-2700
phone: 706-355-8340
fax: 706-355-8302
e-mail: kraemer.stephen@epa.gov

Education:

Ph.D. Environmental Science, Indiana University Bloomington, 1990
(thesis - Regional modeling of fractured rock aquifers)
M.S. Environmental Science, Indiana University Bloomington, 1985
B.S Engineering Science, University of Notre Dame, Notre Dame, IN, 1982
Diploma, Thomas S. Wootton High School, Rockville, MD, 1978

Expertise/Research Interests:

ground water hydrology/modeling, analytic element methods, ground water/surface water interactions, fractured rock hydrology/modeling, coastal aquifer hydrology/modeling, source water delineation, wellhead protection, TMDLs

Professional Activities:

American Water Resources Association
American Water Works Association
American Geophysical Union
International Society of Ecological Economics
Geological Society of America
Association of Ground Water Scientists and Engineers, National Ground Water
Association
National Speleological Society
Sigma Xi, The Scientific Research Society

Select Publications:

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Kraemer, S.R., H.M. Haitjema, and V.A. Kelson, 2005. Working with WhAEM2000: capture zone delineation for a city wellfield in a valley fill glacial outwash aquifer supporting wellhead protection, EPA/600/R-05/151 (9.4 MB).

Kraemer, S.R., 2005. The water resources component of the ecological footprint of a federal research laboratory in Athens, Georgia, Proceedings of the 2005 Georgia Water Resources Conference, held April 25-27, 2005, at the University of Georgia, Kathryn J. Hatcher, editor, Institute Ecology, The University of Georgia, Athens, GA, p50-53.

Spruill, T.B., A.J. Tesoriero, H.E. Mew Jr., K.M. Farrell, S.L. Harden, A.B. Colosimo, and S.R. Kraemer, 2005. Geochemistry and characteristics of nitrogen transport at a confined animal feeding operation in a Coastal Plain agricultural watershed, and implications for nutrient loading in the Neuse River Basin, North Carolina, 1999-2002, U.S. Geological Survey Scientific Investigations Report 2004-5282, 57pp.

Kraemer, S.R., T.B. Spruill, A.J. Tesoriero, H.E. Mew Jr, and K.M. Farrell, 2003. Modeling to evolve understanding of the shallow ground water flow system beneath the Lizzie Research Station, North Carolina, In: Guidebook of the Carolina Geological Society Annual Field Trip, (PDF, 64 pp., 12.04 MB) November 14-16, 2003, 35-46, Carolina Geological Society, Durham, NC.

Kraemer, S.R., 2003. The maturity of analytic element ground-water modeling as a research program (1980-2003), Proceedings of the 4^th International Conference on the Analytic Element Method, Ecole nationale superiere des mines, Saint-Etienne-France, November 20-21.

Kraemer, S.R., 2003. Preventing contamination of public water supply wells using computerized modeling and mapping tools, poster presented at EPA Science Forum, May, Washington, DC. (PDF, 1 pp., 2.08MB)

Johnston, J.M., J.H. Novak, S.R. Kraemer, 2000. Multimedia integrated modeling for environmental protection: introduction to a collaborative framework, Journal of Environmental Monitoring and Assessment, 63:253-263.

Kraemer, Stephen R., Johnston, John M., Susan J. Colarullo, Joseph L. Bachman, 1999. Modeling Subsurface Residence Times at Locust Grove, Maryland, In: Proceedings of the Chesapeake Bay Modeling Workshop on "Watershed Modeling", St. Michael's, Maryland, Workshop CD-ROM by Veri-Tech, Inc., Vicksburg, MS.

M. Bakker, S.R. Kraemer, W.J. deLange, O.D.L. Strack, 1999. Analytic Element Modeling of Coastal Aquifers, EPA/600/R-99/110. (PDF, 89 pp., 1.31 MB)

Kelson, V.A., H.M. Haitjema, and S.R. Kraemer, 1993. GAEP: A geographic preprocessor for ground water flow modeling, Hydrological Science and Technology, 8(1-4):74--83.

Haitjema, H.M., and S.R. Kraemer, 1988. A new analytic function for modeling partially penetrating wells, Water Resources Research, 24(5):683--690.

Awards:

Outstanding/Exceptional ORD Technical Assistance to the Regional or Program Offices, 2000.

Current Projects:

• Nutrients in Watersheds (modeling subsurface loadings of nutrients to surface water) (EPA Intranet Users Only)
• Tim (an open source object oriented groundwater model)
• Source Water Protection Modeling