His research interests include quantifying effect of climate variability and change on hydrology and water quality; monitoring and modeling of hydrologic and nonpoint pollutant transport and transformation processes; fate and transport of nutrients and antimicrobials; application of geographic information, global positioning, and neural network systems for water resources management; and animal waste management.
Climate variability (drought and flood) and change impacts on water resources and agriculture
Surface and groundwater quantity and quality
Monitoring and modeling of hydrologic and nonpoint pollutant (nutrients and sediment) transport and transformation processes from point to regional scales
Application of state-of-the-art approaches to water resources management