Bernie Engel Purdue University. Web-based DSS Tools Online Watershed DelineationOnline Watershed Delineation L-THIA & L-THIA LIDL-THIA & L-THIA LID Watershed.
Modeling Nitrogen Loading to the Groundwater in Response to Land Use Change By Dibyajyoti (Diby) Tripathy ABE 527 (Spring’ 04)
Bernie Engel, Larry Theller, Youn Shik Park, Tim Wright Agricultural and Biological Engineering Purdue University.