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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 1990-001-FA

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Other ID: Leg 1, F-90-3

Status: Completed

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

Funding Program(s):

Principal Investigator(s): William Schwab, David Twichell

Affiliate Investigator(s):

Information Specialist(s):

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.

Vehicle(s):

Start Port/Location: Tampa, FL

End Port/Location: Tampa, FL

Start Date: 1990-03-25

End Date: 1990-04-08

Equipment Used: SeaMARC sidescan sonar system, 4.5 kHz, Benthos acoustic navigation system, Q-MIPS sidescan sonar system, 3.5 kHz, Loran-C, GPS (wh), Benthos 7000

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

Affiliate Staff:
L. Bader - USGS PMG
M. Hammer - USGS PMG
L. Kooker - USGS PMG
N. Kenyon - IOS
T. Crook - WHOI
T. Dettweiler - U.S. Navy
M. Williamson - IDSS
K. Redman - IDSS
N. Lesnikowski - IDSS
J. McDowell - IDSS

Notes:
Project = MS Fan Ground Truth Program, MS Fan Ground Truth Program

Location:

Mississippi Fan, Florida Escarpment, eastern Gulf of Mexico, United States, North America, North Atlantic;

Boundaries
North: 27 South: 26 West: -87 East: -84.5

Platform(s):

photo of Farnella
Farnella

Publications

Paskevich, V.F., Twichell, D.C., and Schwab, W.C., 2001, SeaMARC 1A sidescan sonar mosaic, cores and depositional interpretation of the Mississippi Fan—ArcView GIS data release: U.S. Geological Survey Open-File Report 2000-352, https://doi.org/10.3133/ofr00352.

Twichell, D.C. Cross, V.A., Paskevich, V.F., Hutchinson, D.R., Winters, W.J., and Hart, P.E., 2006, GIS of selected geophysical and core data in the northern Gulf of Mexico continental slope collected by the U.S. Geological Survey: U.S. Geological Survey Open-File Report 2005-1071, DVD-ROM, also available from https://doi.org/10.3133/ofr20051071.

Portals/Viewers

Documents associated with this activity

Title Survey Equipment Description
Cruise report (document not focused on specific equipment) Chief Scientists' cruise report including personnel, equipment, objective, cruise narrative, tabulated information, transponder net locations, area maps, sidescan sonar trackmap for first leg F-90-3 (FA 90001) and core locations from second leg F-90-4 (FA 90003).
Navigation log (document not focused on specific equipment) Coordinates for transponder navigation in support of SeaMARC and 3.5 kHz surveys and DAFE event log for Leg 1. SeaMARC start and end link coordinates.
Sidescan log - Seismic log SeaMARC sidescan sonar system SeaMarc seismic log with equipment configuration, line numbers and start and end times, course, and speed. Includes information about transponder net.
Event log (document not focused on specific equipment) Menlo Park printout of DAFE event log containing line starts and ends, equipment configuration, and time on and off.
Cruise log SeaMARC sidescan sonar system SeaMarc Technician's log with equipment configuration, line numbers and start and end times, navigation and data acquisition notes
Q-Mips log SeaMARC sidescan sonar system Q-Mips log containing line numbers, start and end dates and times, and filenames.
VHS log 4.5 kHz VHS tape log containing data acquisition, equipment configuration for subbottom and navigation systems, and acquisition notes.
Contractor's log SeaMARC sidescan sonar system Contractor's log describing SeaMarc performance and data acquisition notes.

Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
SeaMARC sidescan sonar system --- Sidescan
1990-001-FA-SO-001 (Digital tape(s) of NV, SSS-SEAMARC, )
4.5 kHz --- Sub Bottom Profiler
1990-001-FA-SE-001 ( Collection of paper record displays of seismic data( 4.5K) for lines )
1990-001-FA-SE-003 (microfilm of )
1990-001-FA-SE-002 (VHS digital tapes for line(s) 4, 4, 4, 5,6, 6, 6, 6, 6, TRANSIT,7, 7, 7, 7,8, 8, 8, 8, 9, 9, 10, 10, 10, 10-2, 10-3, 10-3, 10-4, 10-4, 10-4, 11, 11, 12, 12, 12, 12, 12, 12, 12,TRNST,13, 13, 14, 14, 14, 14, 14, 15, 15, 16, 16, 16, 16, 16, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18,19, 19, 19, 19, 19, 19,TRNST,20, 20, 20, 21, 21, 21, 21,22, 22, 22, 22, 23, 23, 23, 23, TRNST,24, 24, )
Bathymetry GIS data
Benthos acoustic navigation system --- Navigation
Q-MIPS sidescan sonar system --- Sidescan
3.5 kHz --- Sub Bottom Profiler
Loran-C --- Navigation
1990-001-FA-LN-001-01 (Navigation data recovered from 9 track tape)
GPS (wh) --- Navigation
Benthos 7000 --- Navigation
Transects

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