Simulation of flow and contaminant transport in soils, aquifers, and streams.

Basin-wide groundwater quantity and quality management.

Mathematical modeling of pesticide transport and fate in subsurface and surface environments.

Nitrogen dynamics in soils and groundwater.

Conjunctive use of surface water and groundwater.

Planning, design and management of hydrosystems.

Integrated water resources management (including elements such as flood control, water supply and demand, water transfers, etc.)

Estimation techniques for water quantity and quality parameters.

Mathematical modeling of reservoir operations.

Agricultural water management.

Planning, design and management of large-scale irrigation systems.