Scott Ator, Hydrologist

Education

M.S.

Johns Hopkins University, Baltimore, Maryland, 2003, Environmental Science and Policy

B.S.

University of Maryland, College Park, Maryland, 1994, Geology (summa cum laude)

Associations and Memberships

• American Geophysical Union
• Maryland Water-Monitoring Council

Research or professional focus/current projects:

Research interests include effects of natural and anthropogenic processes on streams and groundwater chemistry at local and regional scales; groundwater/surface-water interactions; sources, fate, and transport of nutrients, pesticides, and sediment in streams and/or groundwater at multiple scales; and seasonal and temporal trends in water chemistry.

Selected Publications

Ator, S.W., Brakebill, J.W., and Schwarz, G.E., 2010, Mapping vulnerability to upland erosion in the Chesapeake Bay Watershed: Proceedings of the Joint Federal Interagency Sedimentation and Modeling Conference, Las Vegas, Nevada, June 27 – July 1, 2010, 11 p.

Ator, S.W., 2008, Natural and human influences on water quality in a shallow regional unconsolidated aquifer, Northern Atlantic Coastal Plain: U.S. Geological Survey Scientific Investigations Report 2008-5190, 19 p.

Brakebill, J.W., Ator, S.W., and Schwarz, G.E., 2010, Sources of suspended-sediment flux in streams of the Chesapeake Bay Watershed – A regional application of the SPARROW model: Journal of the American Water Resources Association 46(4) 757-776.

Ator, S.W. Denver, J.M., and Brayton, M.J., 2005, Hydrologic and geochemical controls on pesticide and nutrient transport to two streams on the Delmarva Peninsula: U.S. Geological Survey Scientific Investigations Report 2004-5051, 34 p.

Ator, S.W., Denver, J.M., Krantz, D.E., Newell, W.L., and Martucci, S.K., 2005, A surficial hydrogeologic framework for the Mid-Atlantic Coastal Plain: U.S. Geological Survey Professional Paper 1680, 44 p.

Ator, S.W., Olsen, A.R., Pitchford, A.M., and Denver, J.M., 2003, Application of a multi-purpose unequal-probability stream survey in the Mid-Atlantic Coastal Plain: Journal of the American Water Resources Association, vol. 39, no. 4, pp. 873-886.

Domagalski, J.L., Ator, S.W., Coupe, R., McCarthy, K., Lampe, D., Sandstrom, M., and Baker, N., 2008, Comparative study of transport processes of nitrogen, phosphorus, and herbicides to streams in five agricultural basins, USA: Journal of Environmental Quality, vol. 37, pp. 1158-1169.

Phillips, P.J., Ator, S.W., and Nystrom, E.A., 2007, Temporal changes in surface-water insecticide concentrations after the phaseout of diazinon and chlorpyrifos: Environmental Science and Technology, v. 41, n. 12, pp. 4246-4251.