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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 1990-018-FA

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Other ID: F-7-90-NC

Status: Completed

Organization(s): USGS, Woods Hole Coastal and Marine Science Center

Funding Program(s):

Principal Investigator(s): William Schwab

Affiliate Investigator(s): Herman Karl and Dave Drake, PMG

Information Specialist(s):

Data Type(s): Location-Elevation: Navigation, Seismics: Sub Bottom Profiler, Sonar: Sidescan, Sonar: Single Beam

Scientific Purpose/Goals: Slope stability survey.

Vehicle(s):

Start Port/Location: Redwood City, CA

End Port/Location: Redwood City, CA

Start Date: 1990-07-19

End Date: 1990-08-03

Equipment Used: 10 kHz Bathymetry, 3.5 kHz, 4.5 kHz, GPS (wh), Loran-C, Del Norte, transponder net, SeaMARC sidescan sonar system

Information to be Derived: Sea floor map;

Summary of Activity and Data Gathered:

Staff: William Danforth, Barry Irwin, Thomas O'Brien, William Schwab

Affiliate Staff:
Ian Rouse - IOS
Electrical Engineer; John Chin - PMG
Geologist; Doug Musser - PMG
Navigator; Kaye Kinoshita - PMG
Navigator; Tom Crook - WHOI/DSL
Navigator; Leda Beth Pickthorn - PMG
Navigator; Warren Scherfius - PMG
Photographer; Steve Wessels - PMG
Photographer; Larry Cooker - PMG
Electronics; Herman Karl - PMG
Chief Scientist; Dave Drake - PMG
Chief Scientist; Kevin Redman - IDSS
Unspecified Investigator; Alan Ota - EPA
Unspecified Investigator; Kirk O'Donnell - IDSS
Unspecified Investigator; Tom Dettweiler - Meridan
Unspecified Investigator; Chester Alysta - IDSS
Unspecified Investigator; Dave Wyatt - Meridan
Unspecified Investigator; Ski Laniewicz - IDSS
Unspecified Investigator; Art Wright - IDSS
Unspecified Investigator; John Cannan - J. Marr
Ship's Captain; Matthew Gilbey - J. Marr
Chief Engineer; Albert Fuller - J. Marr
Chief Mate

Notes: Original Center People field contained: Bill Schwab - Co-Chief Scientist, Bill Danforth - Geologist, Barry Irwin - Navigator, Tom O'Brien - Geophysicist.

Location:

Farallon Escarpment, California, United States, North America, North Pacific;

Boundaries
North: 37.81098952 South: 37.08804886 West: -123.66639364 East: -122.71635193

Platform(s):

photo of Farnella
Farnella

Publications

Karl, H.A., Schwab, W.C., Drake, D.E., and Chin, J.L., 1992, Detection of barrels that contain low-level radioactive waste in Farallon Island radioactive waste dumpsite using side-scan sonar and underwater-optical systems—Preliminary interpretation of barrel distribution: U.S. Geological Survey Open-File Report 92-178, https://doi.org/10.3133/ofr92178.

Portals/Viewers

Documents associated with this activity

Title Survey Equipment Description
Cruise report (document not focused on specific equipment) Chief Scientist's progress report on status of analysis and interpretation of data from 1990-018-FA and 1990-027-FA (F7-90-NC and F8-90-NC).

Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
10 kHz Bathymetry --- Single Beam
NGDC MGD77 data
3.5 kHz --- Sub Bottom Profiler
4.5 kHz --- Sub Bottom Profiler
GPS (wh) --- Navigation
Loran-C --- Navigation
1990-018-FA-LN-001 (Navigation data)
Del Norte, transponder net --- Navigation
SeaMARC sidescan sonar system --- Sidescan

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