Effects of beaver dams and ponds on the transport and deposition of suspended sediment in urban streams of the Tualatin River Basin, northwestern Oregon

The USGS computed streamflow during 2016 and 2017 at two sites – one on Bronson Creek (USGS station 453250122494501) and one on Fanno Creek (USGS station 452738122474100), which are tributaries to the Tualatin River in northwestern Oregon. The computed streamflows from the two aforementioned sites were then used to estimate the corresponding streamflow at two other sites- USGS station

Beaver dams affect stream hydraulics by temporarily impounding water in stream channels. Beaver dams and their associated impoundments can potentially influence streamflow hydrographs and stream hydraulics in multiple ways including altering the magnitude and duration of high flows, temporary storage of storm water, and the range and spatial distribution of water depths and velocities in...

Elevation-at-refusal (EAR) data were collected in May and September 2016 in conjunction with a comprehensive bed-elevation survey (White, 2025; methods described in White and others, 2025) to estimate the depth and total volume of sediment stored in a beaver pond along Fanno Creek, western Oregon. The EAR.csv file consists of points with xy coordinate and z elevation data. A stadia rod...