Survey Identifier: COOK03MV
Format Acronym: MGD77
Data Center File Number: 15020203
Parameters Surveyed Code: 55531
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): BARRY EAKINS
Project: COOK LEG 03
Funding: U.C. SHIP FUNDS
Survey Departure Date (yyyymmdd): 20001016
Port of Departure: ARICA,CHILE
Survey Arrival Date (yyyymmdd): 20001107
Port of Arrival: PAPEETE,TAHITI
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
Magnetics Instrumentation: GEOMETRICS 886
Additional Forms of Magnetics Data: DIGITAL TAPE
Gravity Instrumentation: BELL BGM-3 METER S/N 224
Additional Forms of Gravity Data: DIGITAL TAPE
Seismic Instrumentation: NONE COLLECTED
Topmost Latitude of Survey: -03
Bottommost Latitude: -19
Leftmost Longitude: -150
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 Magnetics: 010
General Sampling Rate of Magnetics: 06
Reference Field Code: 03
Reference Field: IGRF-1995
Method of Applying Residual Field: LIN.INTERP.POINTS WITHIN ONE DEGREE SQUARE
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: 978480.
Departure Base Station Description: 06 Chacalluta airpt flagpole
Arrival Base Station Gravity: 978698.
Arrival Base Station Description: 93 site of old customs bldg.
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: 31651
Min/Max Data Record:
Date: 2000 10 16
Latitude: -18.47439
Longitude: -149.59336
Bathymetry, 2- Way Traveltime: 000973
Bathymetry, Corrected Depth: 73.0
Magnetics Total Field, 1st Sensor: 262020
Magnetics Residual Field: -05659
Observed Gravity: 9779899
Free-Air Anomaly: -2113
Min/Max Data Record:
Date: 2000 11 07
Latitude: -3.83406
Longitude: -70.32484
Bathymetry, 2- Way Traveltime: 072507
Bathymetry, Corrected Depth: 5470.0
Magnetics Total Field, 1st Sensor: 348080
Magnetics Residual Field: +06546
Observed Gravity: 9787097
Free-Air Anomaly: +2093