Survey Identifier: ODP187JR
Format Acronym: MGD77
Data Center File Number: 23060093
Parameters Surveyed Code: 50113
File Creation Date (yyyymmdd): 20020612
Source Institution: OCEAN DRILLING PROGRAM/TEXAS A&M
Country: USA+ODP MEMBERS
Platform Name: JOIDES RESOLUTION
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): CHRISTIE, PEDERSEN, MILLER
Project: OCEAN DRILLING PROGRAM, LEG 187
Funding: NSF+ODP MEMBERS
Survey Departure Date (yyyymmdd): 19991116
Port of Departure: FREMANTLE, AUSTRALIA
Survey Arrival Date (yyyymmdd): 20000110
Port of Arrival: FREMANTLE, AUSTRALIA
Navigation Instrumentation: NMEA GPS
Geodetic Datum/Position: GPS FIXES AT 1 MIN INTERVALS
Bathymetry Instrumentation: EPC 9802
Additional Forms of Bathymetric Data: ANALOG RECORDS & MICROFILM
Magnetics Instrumentation: EGG 886
Additional Forms of Magnetics Data: ANALOG RECORDS & MICROFILM
Gravity Instrumentation: NONE COLLECTED
Seismic Instrumentation: WATER GUNS
Formats of Seismic Data: ANALOG RECORDS AND MICROFILM
Topmost Latitude of Survey: -31
Bottommost Latitude: -46
Leftmost Longitude: 114
Rightmost Longitude: 135
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: 1/SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
General Digitizing Rate of Magnetics: 010
General Sampling Rate of Magnetics: 06
Magnetic Sensor Tow Distance: 0450
Sensor Depth: 00100
Horizontal Sensor Separation: 000
Reference Field Code: 00
Reference Field: UNUSED
Additional Documentation: ORIGINAL RECORDS ARCHIVED AT ODP, DATA WERE SUBSAMPLED BY NGDC, REDUCING 108172 POINTS TO 71499 POINTS, CHOOSING, POINTS NO CLOSER THAN 0.02 NAUTICAL MILES, WITH THE EXCEPTION THAT ALL RECORDS, WITH BATHYMETRY OR MAGNETICS WERE RETAINED. NOTE: MGD77 FILE CREATED FROM WINFROG RAW FILES USING WF2MGD77 V202.2
Number of Data Records: 71499
Min/Max Data Record:
Date: 1999 11 21
Latitude: -45.99115
Longitude: +114.39625
Bathymetry, 2- Way Traveltime: 043827
Bathymetry, Corrected Depth: 3277.0
Min/Max Data Record:
Date: 2000 01 10
Latitude: -31.87378
Longitude: +135.00313
Bathymetry, 2- Way Traveltime: 079107
Bathymetry, Corrected Depth: 5982.0