Summary for Field Activity Number 1978-036-FA

Alternate Leg ID: 68

Area of Operations: St. Croix shelf, St. Thomas shelf, U..S. Virgin Islands, Caribbean Sea, United States, North America, North Atlantic

Dates: November 01, 1978 to November 18, 1978

Objectives: 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.

Type of Activity: Sampling
Seismic profiling
Sea floor mapping
Photography

Information to be derived: Suspended sediment concentrations
Sea floor map
Morphology

Summary: 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.

USGS Project Number: VI CO-OP

Contact: Chuck Holmes ()