| Identifier | 1995-025-FA | ||||||||
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| Alternate names | CH-18-95 Legs 1 and 2 | ||||||||
| Purpose | Single-channel seismics, GI gun seismics, VSP walkaway operations, OBS data collection. | ||||||||
| Location | Blake Ridge, South Carolina, United States, North America, North Atlantic; | ||||||||
| Summary | Leg 1: Nov. 15-20, 1995; Leg 2: Nov. 26 - Dec. 1, 1995. Journalist from Popular Science and 3 media personnel from Channel 4 Independent Television News - UK observed/filmed Leg 1; Director Research News Service - UNC observed Leg 2. | ||||||||
| Comments | Original Center People field contained: Debbie Hutchinson - Ch. Sci. - Leg 1; John Evans - tech - Leg 1 and Leg 2; Tom O'Brien - engineer - Leg 1 and Leg 2; Rebecca Drury - tech - Leg 2; Greg Miller - tech - Leg 2. Project = Seismic Studies on the Blake Ridge Gas Hydrates, Seismic Studies on the Blake Ridge Gas Hydrates | ||||||||
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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 | Deborah R HutchinsonWilliam P Dillon | ||||||||
| Crew members |
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| Affiliate principal | Daniel Lizarralde - WHOI - Leg 2 | ||||||||
| Affiliate staff | Harold Williams - mech. eng. - Leg 1 and Leg 2 - USGS; Daniel Lizarralde - sci./student - Leg 1, ch. sci. - Leg 2 - WHOI; Ingo Pecher - sci. - Leg 1 and Leg 2 - WHOI; W. Stephen Holbrook - assoc. sci. walkaway - Leg 1 and Leg 2 - WHOI; Ralph A. Stephen - sr. sci. walkaway - Leg 1 and Leg 2 - WHOI; Tori Hoehler - sci/student - Leg 1 - UNC; Daniel L. Williamson - obs/publicity - Leg 2 - UNC; Robert Hammond - camera man - Leg 1 - Ch. 4 Independent News; Julian Rush - sci. producer - Leg 1 - Ch. 4 Independent News; Andrew Veitch - sci. reporter - Leg 1 - Ch. 4 Independent News; Judith Gunther - contributing editor - Leg 1 - Popular Science. |
| Data category: | Location-Elevation, Seismics |
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| Data type: | Navigation, Air Gun / Water Gun, Ocean Bottom Seismometer |
| Name | Description |
|---|---|
| Cruise report | Chief scientist's cruise report including personnel, an extensive cruise overview with description of equipment and setting used on the cruise, daily cruise narrative, and results and comments. Tables of OBS deployments, receiver depths, single channel seismic file names and locations, bore hole location, trackmaps, OBS and VSP walkaway data samples. |
| Geophysics log | Seismic log including line numbers, position, and equipment performance, November 15-20, 1995. |
| Geophysics log | Seismic log including line numbers, position, and equipment performance, November 26 - December 21, 1995. |
| Walkaway plots | Walkaway plots for VSP 994 and 995 on Nov. 18, 29 and 30, 1995. |
| Equipment | Usage description | Data types | Datasets |
|---|---|---|---|
| Teledyne 28420 hydrophone | Air Gun / Water Gun, Boomer, Bubble Gun, Sparker, Sub Bottom Profiler | 3 | |
| Ocean Bottom Seismometer | Ocean Bottom Seismometer | (no data reported) | |
| Rockwell GPS | Navigation | 2 | |
| Ashtech GPS | Navigation | (no data reported) | |
| Water gun (wh) | Air Gun / Water Gun | (no data reported) |
| Dataset name | Equipment | Description | Dataset contact |
|---|---|---|---|
| 1995-025-FA-LN-001-01 | Teledyne 28420 hydrophone | Processed GI-gun SEGY data | David S Foster |
| 1995-025-FA-SE-001 | Teledyne 28420 hydrophone | Digital tape(s) of GI GUN L1-4SEGY, GI GUN L5 7-9SEGY, GI GUN L10-18SEGY, GI GUN L1-24SEGY, GI GUN L1-24V994, GI GUN LOBS1ASEG-Y, GI GUN LOBS2A-BSGY, GI GUN LOBS1-2*SGY, GI GUN L25-32,#SGY, OBS L1-SEGY, OBS L2-SEGY, OBS L1-2 RAW, | Nancy K. Soderberg |
| 1995-025-FA-SE-002 | Teledyne 28420 hydrophone | Digital tape(s) of GI GUN L1-4SEGY, GI GUN L5 7-9SEGY, GI GUN L10-18SEGY, GI GUN L1-24SEGY, GI GUN L1-24V994, GI GUN LOBS1ASEG-Y, GI GUN LOBS2A-BSGY, GI GUN LOBS1-2*SGY, GI GUN L25-32,#SGY, OBS L1-SEGY, OBS L2-SEGY, OBS L1-2 RAW, | Nancy K. Soderberg |
| 1995-025-FA-LN-001 | Rockwell GPS | Navigation trackline plot for field activity 95025 | Nancy K. Soderberg |
| 1995-025-FA-LN-002 | Rockwell GPS | Floppy disk(s) containing NAV-GPSL1-4, NAV-GPSL5-19, NAV-GPSL520-24, BRIDGENAVZIPPED, NAV-EDITL1-V994001, NAV-EDITL16-24, NAV-OBSL1, NAV-OBSL2, NAV-SCSL25-28, NAV-VSPV995B01-04, NAV-VSPV995B05-08, UNDERWAYDATA, | Nancy K. Soderberg |
