Summary Information for Field Activity 2001-055-FA

Area of Operations: Bonneville Reservoir, Bonneville Dam, Hood River, Wind Mountain, Columbia River, Washington, The Dalles, Oregon, United States, North America

Dates: August 03, 2001 to August 21, 2001

Chief scientist: Bill Schwab

   Walter Barnhardt

Objectives: Determine sediment distribution and thickness behind Bonneville Dam, sediment budget for Columbia River, and geologic control on benthic habitat (salmon, white sturgeon).

Type of Activity: Sampling; Seismic profiling; Sea floor mapping;Sea floor mapping

Information to be derived:

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.

Contact: PROJECT PARTNER ()

Related Links: http://walrus.wr.usgs.gov/infobank/e/e101wo/html/e-1-01-wo.meta.html