USGS Coastal and Marine Geology Program

Coastal & Marine Geology Program

Field Activity Details for field activity 1985-034-FA

Other ID: 85 Leg 3A; FRNL 85-3A

Status: Completed

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

Funding Program(s):

Location: eastern Gulf of Mexico, United States, North America, North Atlantic;

Principal Investigator(s): David Twichell

Affiliate Investigator(s): Lindsay Parson - British Institute of Oceanographic Sciences (IOS)

Information Specialist(s):

Data Type(s): Sonar: Sidescan, Seismics: Air Gun / Water Gun, Seismics: Boomer, Seismics: Bubble Gun, Seismics: Sparker, Seismics: Sub Bottom Profiler, Electro-Magnetic: Magnetics, Sonar: Single Beam, Location-Elevation: Navigation

Scientific Purpose/Goals: Long-range sidescan sonar survey of the Gulf of Mexico using the GLORIA system.

Vehicle(s):

Start Date: 1985-10-02

Start Port/Location: Tampa, FL

End Date: 1985-10-22

End Port/Location: Key West, FL

Equipment Used: GLORIA sidescan, Air gun, Single channel hydrophone, Marine magnetometer, 3.5 kHz, 10 kHz Bathymetry, ABC navigation system, Loran-C, GPS (wh)

Information to be Derived:

Summary of Activity and Data Gathered: GLORIA Sidescan Sonar: 6,557 km; 10 kHz: 6,734 km; 3.5 kHz: 6,738 km; Airgun: 6,578 km; Magnetometer: 6,712 km.

Staff: David Twichell, Page Valentine, Robert F. Commeau, Steve Mateus

Affiliate Staff:
Charles Paull - geologist
Scripps; Kim Benjamin - engineer
WHOI; Derek Bishop - GLORIA engineer
IOS; Lindsay Parson - co-Ch. Sci.
IOS; Robin Bonner - airgun tech
IOS; Jon Campbell - GLORIA engineer
IOS; Andrew Harris - GLORIA engineer
IOS; Colin Jacobs - geologist
IOS; Doriel Jones - shipboard computing
RVS; Derek Lewis - shipboard computing
RVS

Notes: Original Center People field contained: Dave Twichell - Ch. Sci., Robert Commeau - geologist, Steve Mateus - geologist, Page Valentine - geologist.
Project = GLORIA Gulf of Mexico EEZ Survey 1985, GLORIA Gulf of Mexico EEZ Survey 1985

Location Map:

Platform(s):

photo of Farnella
Farnella

Publications

(Magnetics)

(Bathymetry) Lubinski, D.J., and Twichell, D.C., 1989, Magnetic and bathymetric data from R/V FARNELLA Cruises FRNL85-1, 85-2, and 85-3 in the U.S. Gulf of Mexico EEZ: U.S. Geological Survey Open-File Report 89-156, 6 p

(Sidescan Sonar) Twichell, D, Paskevich, V.F,,1996, GLORIA sidescan-sonar field data and navigation data collected in the Gulf of Mexico during R/V FARNELLA cruises in 1982 and 1985: U.S. Geological Survey Open-File Report 96-707, CD-ROM.

Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
GLORIA sidescan --- Sidescan
1985-034-FA-SO-001 ( Collection of paper record displays of sidescan sonar data for lines )
1985-034-FA-SO-003 ( CD ROM disk of GLORIA ATLANTIC GEOTIFF, GLORIA GULF MEXICO GEOTIFF, GLORIA IMAGES, GLORIA/MOSAIC 1-16, )
1985-034-FA-SO-002 ( Digital tapes of NV, GLORIA-PASSES 2-51, GLORIA PASSES 69-78, and PROCESSED GLORIA: inventory #2954, 2955, 2956, 2957, 2959, 3608, 3609, 3610, 3611, 3612, 3613, 3614, 3615, and 3616.)
Air gun --- Air Gun / Water Gun
Single channel hydrophone --- Air Gun / Water Gun
Boomer
Bubble Gun
Sparker
Sub Bottom Profiler
1985-034-FA-SE-001 ( microfilm of )
1985-034-FA-SE-003-01 ( Electronic scans of some paper seismic profiles.)
1985-034-FA-SE-003 ( Collection of paper single-channel high-resolution seismic records for airgun system 10-sec sweep (1 folder FD #4036); 5-sec sweep (2 folders FD #4037-4038);10 kHz (4 folders FD #4039-4042#); 3.5 kHz (7 folders FD #4043-4049); and air gun monitor (2 folders FD #4050-F4051).)
1985-034-FA-SE-002 ( analog tape of seismic data)
Marine magnetometer --- Magnetics
3.5 kHz --- Sub Bottom Profiler
10 kHz Bathymetry --- Single Beam
1985-034-FA-BA-001 ( CD ROM disk of GLORIA ATLANTIC GEOTIFF, GLORIA GULF MEXICO GEOTIFF, GLORIA IMAGES, GLORIA/MOSAIC 1-16, )
ABC navigation system --- Navigation
Loran-C --- Navigation
1985-034-FA-LN-001-01 ( Trackline map for R/V FARNELLA Cruise FRNL85-3A)
GPS (wh) --- Navigation