D.A. Keefer, M.S.

Phone: 217-244-2786 • Fax: 217-244-7004
E-mail: keefer@isgs.illinois.edu

Major Research Interests

• Characterization and modeling of geologic systems
• Field studies of contaminant transport
• Analysis of soil water and groundwater quality data sets
• Assessments of aquifer vulnerability to contamination

Current Projects

• A critical and statistical evaluation of characterization methods for sites contaminated through multiple discrete spills
• Probabilistic modeling of the distribution of glacial deposits
• Characterizing the uncertainty of geologic maps and models
• Probabilistic modeling of lithofacies and hydrofacies in glacial deposits
• Installation of a statewide monitoring network to evaluate pesticide contamination of groundwater

Selected Publications

Keefer, D.A., M. Kuhlenschmidt, and F. Dorothy, F., 2004, Earth-science Data Viewer (EDV): An application for 3-D visualization of geologic and hydrogeologic data, maps, and models: 49th Annual Midwest Ground Water Conference, Bloomington, IN (October 27-29, 2004), Program with Abstracts, p. 35.

Larson, T.H., D.A. Keefer, D.R. Larson, S.L. Sargent, 2000. Merging electrical earth resistivity and lithologic data to improve estimates of groundwater resource availability in southern Piatt County, Illinois,. in Proceedings of the Symposium on the Application of Geophysics to Engineering and Environmental Problems, M.H. Powers, A. Ibrahim, and L. Cramer (Eds), February 20-24, 2000, Annual Meeting of the Environmental and Engineering Geophysical Society, Arlington, VA, pp. 961-968.

Keefer, D.A., 1999. [Book Review of] Unsaturated Zone Hydrology for Scientists and Engineers, by J.A. Tindall and J.R. Kunkel. Journal of the American Water Resources Association, 35(4): 993-995.

Heidari, M., D.A. Keefer, W.R. Roy, I.G. Krapac, A. Valocchi, and K. Ghiassi, 1998. Movement of Contaminants in Alluvial Aquifers During Light and Heavy (Flood) Rainfall Conditions: Field Data Collection and Model Simulation, in Research on Agricultural Chemicals in Illinois Groundwater: Proceedings of the Eighth Annual Conference of the Illinois Groundwater Consortium. April 1-2, 1998, Makanda, Illinois, 25p.

Panno, S.V., I.G. Krapac, and D.A. Keefer, 1998. A New Device for Collecting Time-Integrated Water Samples from Springs and Surface Water Bodies:Environmental and Engineering Geosciences, 4(3):375-383.

Sargent, S.L., W.S. Dey, and D.A. Keefer, 1998. An Inexpensive Automated Paging System for Use at Remote Research Sites: Journal of the Soil Science Society of America,62(3):600-601.

Ordering information for Illinois State Geological Survey Publications.