Determine sediment distribution and thickness behind Bonneville Dam, sediment budget for Columbia River, and geologic control on benthic habitat (salmon, white sturgeon).
Location
Bonneville Reservoir, Bonneville Dam, Hood River, Wind Mountain, Columbia River, Washington, The Dalles, Oregon, United States, North America;
Summary
Completed sidescan mosaic of reservoir. Approx. 30 km of sub-bottom collected before davit failed; fish lost, recovered 3 days later! Samples collected at 21 sites, most with good video and still photos. Sidescan sonar; Sub-bottom: 15 lines, 30 km; Samples.
Comments
This is a request for technical support for an expansion of the SW Washington project. First two weeks the investigation will be supported by technicians from Menlo Park. The last week, the SEABOSS will be supported by Chuck Worley. Original Center People field contained: Chuck Worley - Electronic Technician - AMG; Jane Denny - Geologist - AMG. Data Curator: Walter Barnhardt, PMG.
Project = SW WA coastal erosion, SW WA coastal erosion
