Other ID: none
Organization(s): USGS, Woods Hole Coastal and Marine Science Center
Principal Investigator(s): David Twichell
Data Type(s): Imagery: Photo, Imagery: Video, Location-Elevation: Navigation, Sampling: Geology, Seismics: Sub Bottom Profiler, Sonar: Sidescan, Sonar: Single Beam
Scientific Purpose/Goals: Reconnaissance sidescan and high-resolution seismic mapping of the inner shelf in northern Oregon and southern Washington (Tillamook Head, Oregon, to Pt. Grencille, Washington) to map the thickness of the Holocene sand sheet and recent faults.
Start Date: 1997-08-25
Start Port/Location: Grays Harbor, WA
End Date: 1997-09-19
End Port/Location: Grays Harbor, WA
Equipment Used: EG&G Model 260 sidescan sonar, GeoPulse system, Echosounder, 3.5 kHz, ARGO, GPS (wh)
Information to be Derived:
Summary of Activity and Data Gathered:
Staff: VeeAnn Atnipp Cross, Scott Harrison, Kenneth E. Parolski, David Twichell
Notes: Original Center People field contained: Dave Twichell - Chief Scientist; Scott Harrison - St. Pete, watchstander; Kenneth Parolski - Technician; VeeAnn Cross - Sidescan processor.
North Oregon / South Washington inner shelf, United States, North America, North Pacific;
Baker, D., Peterson, Curt, Hemphill-Haley, Eileen, and Twichell, David, 2010, Latest Pleistocene and Holocene (2-16 ka) sedimentation in the Columbia River Estuary, Oregon, USA: Marine Geology, v. 273 no. 1-4, pp. 83–95, doi: 10.1016/j.margeo.2010.02.005.
Cross, V.A., Twichell, D. C., Parolski, K. F., and Harrison, S. E., 1998, Archive of Boomer seismic reflection data collected aboard RV CORLISS Cruise CRLS97007 off northern Oregon and southern Washington inner continental shelf: .
Peterson, C.D., Vanderburgh, Sandy, Roberts, Michael C., Jol, Harry M., Phipps, Jim, and Twichell, David C., 2010, Composition, age, and depositional rates of shoreface deposits under barriers and beach plains of the Columbia River littoral cell, USA: Marine Geology, v. 273 no. 1-4, doi: 10.1016/j.margeo.2010.02.004.
Twichell, D.C., Cross, VeeAnn A., and Parolski, Kenneth F., 2000, Sidescan-sonar imagery, surface sediment samples, and surficial geologic interpretation of the southwestern Washington inner continental shelf based on data collected during CORLISS Cruises 97007 and 98014: 28 URL: http://pubs.usgs.gov/of/of00-167/.
Twichell, D.C., Cross, VeeAnn A., and Peterson, Curt D., 2010, Partitioning of sediment on the shelf offshore of the Columbia River littoral cell: Marine Geology, v. 273 no. 1-4, doi: 10.1016/j.margeo.2010.02.001.