Other ID: Leg 1, F-90-3
Organization(s): USGS, Woods Hole Coastal and Marine Science Center
Principal Investigator(s): William Schwab, David Twichell
Data Type(s): Sonar: Sidescan, Seismics: Sub Bottom Profiler, Location-Elevation: Navigation, Location-Elevation: Transects
Scientific Purpose/Goals: Study the sedimentology, depositional process, acoustic character, and pore-water chemistry of sediments on the Mississippi Fan and along the base of the Florida Escarpment.
Start Port/Location: Tampa, FL
End Port/Location: Tampa, FL
Start Date: 1990-03-25
End Date: 1990-04-08
Equipment Used: 3.5 kHz, GPS (wh), SeaMARC sidescan sonar system, 4.5 kHz, Benthos acoustic navigation system, Benthos 7000 , Q-MIPS sidescan sonar system, Loran-C
Information to be Derived:
Summary of Activity and Data Gathered: Gravity trackline - 1; SeaMARC - 3466 sq. km; 4.5 kHz - 950 km; 3.5 kHz (from Leg 1 and Leg 2) - 2280 km.
Staff: William Danforth, Barry Irwin, David Mason, Thomas O'Brien, William Schwab, David Twichell, Dave Lubinski
Mississippi Fan, Florida Escarpment, eastern Gulf of Mexico, United States, North America, North Atlantic;
Twichell, D.C., Cross, VeeAnn A., Paskevich, Valerie F., Hutchinson, Deborah R., Winters, William J., and Hart, Patrick E., 2007, GIS of selected geophysical and core data in the northern Gulf of Mexico continental slope collected by the U.S. Geological Survey: URL: http://pubs.usgs.gov/of/2005/1071/.