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Forest Road Erosion Research at the Coweeta Hydrologic Laboratory

The Coweeta Hydrologic Laboratory, Southern Research Station, USDA Forest Service, has been conducting basic and applied research addressing erosion and sedimentation from forest roads for over seventy years. This research has resulted in development of local, state and federal forest road construction standards, development and application of forest road bioengineering and National Forest System road best management practices (BMPs). Our most recent research has documented the effects of large-scale forest road reconstruction and BMP implementation on erosion rates, stream sedimentation and water quality in the southern Appalachian Mountains. Currently, we are developing and validating three methods to differentiate between natural and anthropogenic sediments in streams. These methods allow us to accurately quantify the direct impacts of forest roads on stream sediment budgets, sediment residence time and sediment transport rates.