Abstract
AbstractStreambank erosion provides a direct supply of sediment to fluvial systems and significantly contributes to the total load in sediment impaired streams. The total amount and location of excessive streambank erosion must be determined to reduce the sediment supply and improve water quality within these impaired water bodies. The objective of our study was to integrate the Bank Assessment for Non‐point source Consequences of Sediment (BANCS) model with the Streambank Video Mapping System, a global positioning system‐based landscape‐scale data collection method, to estimate the total sediment load (SL) from streambank erosion over several river kilometers. This integrated methodology allowed us to identify erosion hotspots along a 20.4 km section of Upatoi Creek in Georgia. These streambank locations would be the highest priority sites for stream restoration efforts such as streambank stabilization, reestablishment of riparian vegetation, and floodplain reconnection. Our study reach had a SL per unit channel length (109 t/yr/km) comparable in magnitude to loading rates reported in the literature from other traditional BANCS assessments.
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