Survey Identifier: A121
Format Acronym: MGD77
Data Center File Number: 02020104
Parameters Surveyed Code: 50000
File Creation Date (yyyymmdd): 19960402
Source Institution: University of Rhode Island
Country: US
Platform Name: R/V Atlantis II
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): F. Grassle
Project: A121
Funding: NOAA, USGS
Survey Departure Date (yyyymmdd): 19890915
Port of Departure: Woods Hole, MA
Survey Arrival Date (yyyymmdd): 19890924
Port of Arrival: Woods Hole, MA
Navigation Instrumentation: GPS, LORAN-C, TRANSIT SATELLITE
Bathymetry Instrumentation: SEABEAM (VERTICAL BEAM EXTRACTION)
Topmost Latitude of Survey: +42
Bottommost Latitude: +38
Leftmost Longitude: -073
Rightmost Longitude: -070
General Digitizing Rate of Bathymetry: 010
General Sampling Rate of Bathymetry: VAR W/ DEPTH
Assumed Sound Velocity: 15000
Interpolation Scheme: 1 MINUTE EXTRACTIONS CLOSEST TO THE MINUTE (VERTICAL BM)
Additional Documentation: Other data reported to have been collected on this cruise were Alvin dives, biological sampling, and current measurements.
Number of Data Records: 6337
Min/Max Data Record:
Date: 1989 09 15
Latitude: +38.59683
Longitude: -72.35101
Bathymetry, 2- Way Traveltime: 000560
Bathymetry, Corrected Depth: 42.0
Min/Max Data Record:
Date: 1989 09 24
Latitude: +41.49545
Longitude: -70.66418
Bathymetry, 2- Way Traveltime: 036933
Bathymetry, Corrected Depth: 2755.0