Education

• Doctor of Philosophy, 1987. Dept. of Geography and Environmental Engineering,
• Johns Hopkins University, Baltimore Maryland. Dissertation: "Sediment Budgets and Delivery in Suburban Watersheds".
• Master of Arts, 1982. Dept. of Earth & Environmental Science, Wesleyan University,
• Middletown Connecticut. Thesis: "Patterns of Bedload Transport in the Connecticut River Estuary".
• Bachelors of Arts, 1977. Dept. of Geology, San Francisco State University, Senior
• Thesis: "A Fortran Computer Program for Calculating the CIPW Normative Mineral Suite".

Professional Experience

• Department of Earth and Environmental Science, University of Pennsylvania,
• Philadelphia, Pa. Appointed Professor July 2002.
• International Institute of Tropical Forestry, USDA Forest Service, Rio Piedras,
• Puerto Rico. 1987-2002 Research Hydrologist and Ecosystem Group Leader
• Luquillo Long-Term Ecological Research Project, Principal Co-Investigator
• 1988-1999. Investigator 1999-present.
• Consulting Hydrologist and Geomorphologist 1980 to 1987.
• U.S. Peace Corps Volunteer, 1977-1979. Hydrologist, Dominican Republic,