The primary focus of my research efforts is in the area of digital terrain modeling for
watershed analysis. Over the past several years I have been involved in the
development of tools for creating lumped parameter and distributed rainfall/runoff
models from digital terrain models. This work has resulted in the development of the
Watershed Modeling System (WMS) which
is has been distributed to over 2000 users in more than 90 countries. These research
efforts have been sponsored in part by the US Army Corps of Engineers Waterways Experiment Station, the
Federal Highways Administration, and the
EMRL. WMS includes
tools for watershed delineation from gridded elevation models, from TINs, or using vector
GIS data. From these watershed models several hydrologic analysis simulations,
including HEC-1, TR-20, TR-55, and the Rational Method can be derived. My research
in this area has led to interest in GIS software and databases because much of the
hydrologic information needed for modeling is compiled/stored in these systems.
Recent versions of WMS have included several tools for sharing/using data from GIS
systems.
