Survey Identifier: A112L25
Format Acronym: MGD77
Data Center File Number: 17080004
Parameters Surveyed Code: 51111
File Creation Date (yyyymmdd): 19900315
Source Institution: UNIVERSITY OF RHODE ISLAND
Country: USA
Platform Name: R/V ATLANTIS II
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): DAN FORNARI
Project: A112L25
Funding: NSF
Survey Departure Date (yyyymmdd): 19850513
Port of Departure: ACAPULCO, MEXICO
Survey Arrival Date (yyyymmdd): 19850601
Port of Arrival: ACAPULCO, MEXICO
Navigation Instrumentation: OMEGA, TRANSIT SATELLITE
Geodetic Datum/Position: PRIM-SAT
Bathymetry Instrumentation: SEA BEAM vertical beam
Additional Forms of Bathymetric Data: ANALOG
Topmost Latitude of Survey: +17
Bottommost Latitude: +09
Leftmost Longitude: -105
Rightmost Longitude: -100
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: Single beam bathymetric data for this survey is the vertical beam from URI, processed multibeam data. Other data reported to have been collected on this cruise were Alvin dives, photography, and dredging.
Number of Data Records: 20830
Min/Max Data Record:
Date: 1985 05 14
Latitude: +9.74611
Longitude: -104.90045
Bathymetry, 2- Way Traveltime: 004440
Bathymetry, Corrected Depth: 335.0
Min/Max Data Record:
Date: 1985 06 01
Latitude: +16.33710
Longitude: -100.17886
Bathymetry, 2- Way Traveltime: 071800
Bathymetry, Corrected Depth: 5416.0