Characteristics of the study reaches and sediment reservoirs.

Barrier height varies with season due to installation of flashboards (Brownsville Dam) and stop logs (Savage Rapids Dam). Erosional efficiency was calculated as dimensionless ratio of the volume of sediment eroded from the reservoir to the volume of streamflow delivered to the site across the study period. D50R = median grain size of the reservoir sediments. D50D = median grain size of the river bed downstream of the dam.Characteristics of the study reaches and sediment reservoirs.