- Senior Research Associate
- Director, Consortium for Capacity Building (CCB)
African drought, the Aral Sea basin, desertification, food production problems and prospects; societal impacts of climate anomalies related to El Niño events and the use of El Niño-related teleconnections to forecast these impacts; developing methods of forecasting possible societal responses to the regional impacts of climate change; and the use of climate-related information for economic development.
- Associate Professor
- Co-Director, Hydrologic Sciences Graduate Program
- PI, McMurdo Dry Valleys LTER
Stream-groundwater interactions; contaminant transport and fate; polar earth system responses to climate change; ecosystem processes in polar landscapes; aquatic biogeochemical cycling; water quality modeling