Purpose, development, and synthesis of the Soil Vulnerability Index for inherent vulnerability classification of cropland soils

Allen L. Thompson is a professor in the Department of Biomedical, Biological, and Chemical Engineering, University of Missouri, Columbia, Missouri. Claire Baffaut is a hydrologist at the USDA Agricultural Research Service (ARS) Cropping Systems and Water Quality Research Unit, Columbia, Missouri. Sapana Lohani is a postdoctoral scholar in the Department of Biology, University of Nevada-Reno, Reno, Nevada. Lisa F. Duriancik is the Conservation Effects Assessment Project (CEAP) Watershed Assessment Studies component leader at the USDA Natural Resources Conservation Service (NRCS) Resource Inventory and Assessment Division, Beltsville, Maryland. M. Lee Norfleet is the model team leader, CEAP Modeling Team at the USDA NRCS Resource Inventory and Assessment and Division, Temple, Texas. Kevin Ingram is the team leader, CEAP Natural Resources Analysis Team at the USDA NRCS Resource Inventory and Assessment Division, Beltsville, Maryland.