| Identifier | 1990-001-FA | ||||||||
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| Alternate names | Leg 1, F-90-3 | ||||||||
| Purpose | 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. | ||||||||
| Location | Mississippi Fan, Florida Escarpment, eastern Gulf of Mexico, United States, North America, North Atlantic; | ||||||||
| Summary | Gravity trackline - 1; SeaMARC - 3466 sq. km; 4.5 kHz - 950 km; 3.5 kHz (from Leg 1 and Leg 2) - 2280 km. | ||||||||
| Comments | Project = MS Fan Ground Truth Program, MS Fan Ground Truth Program | ||||||||
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| Itinerary |
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| Bounds |
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| Organization |
384 Woods Hole Road
Quissett Campus
Woods Hole, MA02543-1598
(508) 548-8700
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| Principal investigators | David C TwichellWilliam C Schwab | ||||||||||||||
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| 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 |
| Data category: | Sonar, Seismics, Location-Elevation |
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| Data type: | Sidescan, Sub Bottom Profiler, Navigation, Transects |
| Name | Description |
|---|---|
| Cruise report | 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 | 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 seismic log with equipment configuration, line numbers and start and end times, course, and speed. Includes information about transponder net. |
| Event log | Menlo Park printout of DAFE event log containing line starts and ends, equipment configuration, and time on and off. |
| Cruise log | SeaMarc Technician's log with equipment configuration, line numbers and start and end times, navigation and data acquisition notes |
| Q-Mips log | Q-Mips log containing line numbers, start and end dates and times, and filenames. |
| VHS log | VHS tape log containing data acquisition, equipment configuration for subbottom and navigation systems, and acquisition notes. |
| Contractor's log | Contractor's log describing SeaMarc performance and data acquisition notes. |
| Equipment | Usage description | Data types | Datasets |
|---|---|---|---|
| SeaMARC sidescan sonar system | Sidescan | 1 | |
| 4.5 kHz | Sub Bottom Profiler | 4 | |
| Benthos acoustic navigation system | Navigation | (no data reported) | |
| Q-MIPS sidescan sonar system | Sidescan | (no data reported) | |
| 3.5 kHz | Sub Bottom Profiler | (no data reported) | |
| Loran-C | Navigation | 1 | |
| GPS (wh) | Navigation | (no data reported) | |
| Benthos 7000 | Navigation, Transects | (no data reported) |
| Dataset name | Equipment | Description | Dataset contact |
|---|---|---|---|
| 1990-001-FA-SO-001 | SeaMARC sidescan sonar system | Digital tape(s) of NV, SSS-SEAMARC, | Nancy K. Soderberg |
| 1990-001-FA-SE-001 | 4.5 kHz | Collection of paper record displays of seismic data( 4.5K) for lines | Nancy K. Soderberg |
| 1990-001-FA-SE-002 | 4.5 kHz | 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, | Nancy K. Soderberg |
| 1990-001-FA-SE-003 | 4.5 kHz | microfilm of | Nancy K. Soderberg |
| Bathymetry GIS data | 4.5 kHz | Linda P McCarthy | |
| 1990-001-FA-LN-001-01 | Loran-C | Navigation data recovered from 9 track tape | Nancy K. Soderberg |
