The Mississinewa River watershed is located on the heavy clay soil of the central till plain and ranks among the highest levels of impact of agricultural runoff potential in the State of Indiana. Our goal in this project is to determine the greatest areas of sediment loading within the Mississinewa for priority setting and potential funds allocation for conservation practices. To facilitate manipulation of the land use, soils, and topographic data of the watershed, we developed and implemented an ArcView (super R) Geographic Information System (GIS) based sediment-yield model. The model has been validated by in-stream sediment sampling from outlets of four representative 14-digit Hydrologic-Unit-Code (HUC) watersheds during storm events [...]
