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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 1978-036-FA

Other ID: 68

Status: Completed

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

Funding Program(s):

Principal Investigator(s): Charles W. Holmes

Affiliate Investigator(s):

Information Specialist(s):

Data Type(s): Sonar: Sidescan, Seismics: Boomer, Seismics: Sparker, Imagery: Video, Location-Elevation: Navigation

Scientific Purpose/Goals: Obtain high-resolution data from the southern shelf of St. Croix, obtain sidescan sonar data on the southern shelf of St. Thomas, and place sediment trap arrays at selected sites.


Start Port/Location:

End Port/Location:

Start Date: 1978-11-01

End Date: 1978-11-18

Equipment Used: Camera - B/W video, Boomer, Klein 531 sidescan, Motorola Mini-Ranger III, Del Norte 26 sparker

Information to be Derived: Suspended sediment concentrations; Sea floor map; Morphology;

Summary of Activity and Data Gathered: Operated only in daylight. Due to high winds and resultant seas, high-resolution data quality is poor to fair; sidescan sonar data is fair. Sidescan sonar: 26 km, fair quality; Uniboom: 50 km, poor to fair quality; TV Tape: 6 hours; Grab samples: 25; SARIMA Time Log #68.

Staff: Charles W. Holmes, Ronald J. Miller, John West, George Wiley

Affiliate Staff:

Notes: Original Center People field contained: USGS-Corpus Christi: Charles (Chuck) W. Holmes - Ch. Sci., Jack Kindinger, Ronald Miller, John West, George Wiley.


St. Croix shelf, St. Thomas shelf, U..S. Virgin Islands, Caribbean Sea, United States, North America, North Atlantic;

North: 18.3 South: 17.6 West: -65.1 East: -64


photo of Sarima



Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Klein 531 sidescan --- Sidescan
Boomer --- Boomer
Del Norte 26 sparker --- Sparker
Camera - B/W video --- Video
Motorola Mini-Ranger III --- Navigation

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