Survey Identifier: OXMZ01MV
Format Acronym: MGD77
Data Center File Number: 15020213
Parameters Surveyed Code: 51331
File Creation Date (yyyymmdd): 20040511
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V MELVILLE
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): ALEXANDER VANGEEN, LDEO
Project: OXYGEN MINIMUM ZONE LEG 01
Funding: NSF
Survey Departure Date (yyyymmdd): 19991029
Port of Departure: SAN DIEGO,CALIFORNIA
Survey Arrival Date (yyyymmdd): 19991122
Port of Arrival: SAN DIEGO,CALIFORNIA
Navigation Instrumentation: TRIMBLE TASMAN P(Y) GPS
Geodetic Datum/Position: LINEAR FIT TO 60 SEC FIXES
Bathymetry Instrumentation: SEABEAM 2000 w/SIDESCAN
Additional Forms of Bathymetric Data: ANAL.REC.,35MM FILM,DIGITAL TAPE
Gravity Instrumentation: BELL BGM-3 METER
Additional Forms of Gravity Data: DIGITAL TAPE
Topmost Latitude of Survey: 35
Bottommost Latitude: 22
Leftmost Longitude: -121
Rightmost Longitude: -110
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: 979535
Departure Base Station Description: MARFAC PIER
Arrival Base Station Gravity: 979535
Arrival Base Station Description: MARFAC PIER
Additional Documentation: PROCESSED BY GEOLOGICAL DATA CENTER, SCRIPPS INSTITUTION OF OCEANOGRAPHY, DEPTHS CORRECTED FOR 5 METER SHIP DRAFT, GRAVITY: 1 SEC METER COUNTS FILTERED WITH 99 SEC STD.DEV.GAUSSIAN CONV.WINDOW. FREE AIR ANOMALY SPIKES MAY BE PRESENT BECAUSE SAME FILTER NOT USED FOR NAV.
Number of Data Records: 34553
Min/Max Data Record:
Date: 1999 10 29
Latitude: +22.95422
Longitude: -120.73410
Bathymetry, 2- Way Traveltime: 000680
Bathymetry, Corrected Depth: 51.0
Min/Max Data Record:
Date: 1999 11 22
Latitude: +34.36783
Longitude: -110.19893
Bathymetry, 2- Way Traveltime: 038720
Bathymetry, Corrected Depth: 2886.0