Other ID: 94-18
Status: Completed
Organization(s): USGS, Woods Hole Coastal and Marine Science Center
Funding Program(s):
Principal Investigator(s): David Twichell
Affiliate Investigator(s): Neal W. Driscoll - Lamont-Doherty Earth Observatory
Information Specialist(s):
Data Type(s): Sampling: Biology, Sampling: Geology, Imagery: Photo, Location-Elevation: Navigation, Sonar: Sidescan, Seismics: Sub Bottom Profiler, Sonar: Single Beam
Scientific Purpose/Goals: Re-survey a sidescan sonar survey from 1991 to document changes inflicted by Hurricane Bob and 2 major winter storms; build a sonar mosaic; obtain camera tows, box cores and grab samples.
Vehicle(s):
Start Port/Location: Block Island, RI
End Port/Location: Block Island, RI
Start Date: 1994-07-29
End Date: 1994-08-08
Equipment Used: Box corer, Camera- deep sea, DGPS, Klein 531 sidescan, Q-MIPS sidescan sonar system, ORE 140 transceiver/1036 transducer sub-bottom profiler, ODOM 200 kHz depth recorder, Van Veen grab sampler
Information to be Derived: Sea floor map;
Summary of Activity and Data Gathered: Sidescan sonar: 124 km sq; 3.5 kHz sub-bottom: 884 km; Digital bathymetry: 884 km (Contact USGS); Camera tows: 12; 35 mm slides; Box cores: 23; Van Veen grabs: 211.
Staff: Barry Irwin, David Nichols, David Twichell, Eric A. Schmuck
Affiliate Staff:
Elizabeth Elliot - Wesleyan; Parker Hackett - U. VT; Barbara Hecker - Hecker Environmental Consultants; John Ladd - Hudson Highlands Museum; Earl Young - WHOI
Notes:
Location:
Block Island Sound, Rhode Island, United States, North America, North Atlantic;
Boundaries | |||
---|---|---|---|
North: 41.3 | South: 41.1 | West: -71.95 | East: -71.65 |
Platform(s):
Cape Henlopen |
Title | Survey Equipment | Description |
---|---|---|
Cruise report | (document not focused on specific equipment) | Chief Scientist's report including personnel, purpose, equipment, tabulated information, cruise summary, line start and end information, camera tow information, sample locations, trackmap. |
Cruise report | (document not focused on specific equipment) | Chief Scientist's report (text format) including personnel, purpose, equipment, tabulated information, cruise summary, line start and end information, camera tow information, sample locations, trackmap. |
Q-Mips log | Klein 531 sidescan | Q-MIPS log containing files names, start and ends times for lines, acquisition notes. |
Sidescan log | Klein 531 sidescan | Sidescan-sonar log containing file names, start and ends times for lines, equipment configuration, ship movement, acquisition notes, geological observations. |
Survey Equipment | Survey Info | Data Type(s) | Data Collected |
---|---|---|---|
Box corer | --- | Biology Geology | |
Camera- deep sea | --- | Photo | |
DGPS | --- | Navigation | 1994-023-FA-LN-001 (Navigation trackline plot for field activity 94023) |
Klein 531 sidescan | --- | Sidescan | 1994-023-FA-SO-001 (Digital tape(s) of SSS/3.5K L1-9, SSS/3.5K L10-23, SSS/3.5K L23-37, SSS/3.5K L38-51, SSS/3.5K L52-56, SSS/3.5K L57-58, ) |
Q-MIPS sidescan sonar system | --- | Sidescan | |
ORE 140 transceiver/1036 transducer sub-bottom profiler | --- | Sub Bottom Profiler | |
ODOM 200 kHz depth recorder | --- | Single Beam | |
Van Veen grab sampler | --- | Geology |