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):
Farnella |
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.
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. |
Survey Equipment | Survey Info | Data 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 |