Survey Identifier: CORE01MV
Format Acronym: MGD77
Data Center File Number: 15020199
Parameters Surveyed Code: 51511
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): PATRICIA FRYER,U.OF HAWAII
Project: CORE LEG 1
Funding: NSF
Survey Departure Date (yyyymmdd): 19991130
Port of Departure: SAN DIEGO, CALIFORNIA
Survey Arrival Date (yyyymmdd): 19991203
Port of Arrival: SAN DIEGO,CALIFORNIA
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: MAG. TAPE
Additional Forms of Magnetics Data: NONE COLLECTED
Gravity Instrumentation: BELL BGM-3 METER S/N 224
Additional Forms of Gravity Data: DIGITAL TAPE
Formats of Seismic Data: NONE COLLECTED
Topmost Latitude of Survey: 34
Bottommost Latitude: 32
Leftmost Longitude: -118
Rightmost Longitude: -117
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: SIO MARINE FACILITY PIER
Arrival Base Station Gravity: 979535
Arrival Base Station Description: SIO MARINE FACILITY PIER
Additional Documentation: PROCESSED BY GEOLOGICAL DATA CENTER, SCRIPPS INSTITUTION OF OCEANOGRAPHY, DEPTHS CORRECTED FOR 5 METER SHIP DRAFT. FOLLOWING INFO FROM MULTIBEAM, BATHYMETRY: Heading Sensor Sperry MK 23 Gyro; Vertical reference unit sensor, Datawell Hippy Model 120; Navigation: Horizontal_Datum WGS84; Uncorrected, meters, assumed SV 1500m/sec; Ship draft 5; Surface sound velocity sensor.
Number of Data Records: 3117
Min/Max Data Record:
Date: 1999 12 01
Latitude: +32.61734
Longitude: -117.76232
Bathymetry, 2- Way Traveltime: 000320
Bathymetry, Corrected Depth: 24.0
Observed Gravity: 9794509
Free-Air Anomaly: -0571
Min/Max Data Record:
Date: 1999 12 03
Latitude: +33.16599
Longitude: -117.22572
Bathymetry, 2- Way Traveltime: 007320
Bathymetry, Corrected Depth: 544.0
Observed Gravity: 9796148
Free-Air Anomaly: -0011