Survey Identifier: COOK02MV
Format Acronym: MGD77
Data Center File Number: 15020202
Parameters Surveyed Code: 51531
File Creation Date (yyyymmdd): 20040507
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V MELVILLE
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): ROBERT WELLER, WOODS HOLE
Project: COOK EXPEDITION LEG 02
Funding: NSF
Survey Departure Date (yyyymmdd): 20001002
Port of Departure: ARICA,CHILE
Survey Arrival Date (yyyymmdd): 20001014
Port of Arrival: ARICA,CHILE
Navigation Instrumentation: PCODE GPS
Geodetic Datum/Position: SMOOTHED FIT TO 60 SEC FIXES
Bathymetry Instrumentation: SEABEAM 2000 12kHz, w/SIDESCAN
Additional Forms of Bathymetric Data: ANAL.REC,35MM FILM,DIGITAL MAG. TAPE
Gravity Instrumentation: BELL BGM-3 METER S/N 224
Additional Forms of Gravity Data: DIGITAL TAPE
Topmost Latitude of Survey: -18
Bottommost Latitude: -21
Leftmost Longitude: -086
Rightmost Longitude: -070
General Digitizing Rate of Bathymetry: 010
General Sampling Rate of Bathymetry: 1PING IN H2O
Assumed Sound Velocity: 15000
Interpolation Scheme: 1 MINUTE VALUES EXTRACTED FROM SEABEAM VERTICAL BEAM
General Digitizing Rate of Gravity: 010
General Sampling Rate of Gravity: 01
Theoretical Gravity Formula Code: 3
Theoretical Gravity Formula: IAG SYSTEM 1967
Reference System Code: 3
Reference System: SYSTEM IGSN 71
Corrections Applied: EOTVOS AND METER DRIFT
Departure Base Station Gravity: 978515.
Departure Base Station Description: DOD2253-3ARICA,CHILE
Arrival Base Station Gravity: 978480.
Arrival Base Station Description: DOD2253-0ARICA,CHILE
Additional Documentation: PROCESSED BY GEOLOGICAL DATA CENTER, SCRIPPS INSTITUTION OF OCEANOGRAPHY, DEPTHS CORRECTED FOR 5 METER SHIP DRAFT, NAVIGATION: PCODE GPS
Number of Data Records: 15820
Min/Max Data Record:
Date: 2000 10 02
Latitude: -20.31117
Longitude: -85.28678
Bathymetry, 2- Way Traveltime: 010787
Bathymetry, Corrected Depth: 806.0
Observed Gravity: 9783204
Free-Air Anomaly: -2307
Min/Max Data Record:
Date: 2000 10 13
Latitude: -18.52323
Longitude: -70.53678
Bathymetry, 2- Way Traveltime: 100773
Bathymetry, Corrected Depth: 7681.0
Observed Gravity: 9787521
Free-Air Anomaly: +0650