Survey Identifier: PPTU08WT
Format Acronym: MGD77
Data Center File Number: 15040167
Parameters Surveyed Code: 51111
File Creation Date (yyyymmdd): 19
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V T.WASHINGTON
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): A.YAYANOS
Project: PAPATUA LEG 8
Funding: NSF OCE83-17741
Survey Departure Date (yyyymmdd): 19860325
Port of Departure: PALAU
Survey Arrival Date (yyyymmdd): 19860422
Port of Arrival: GUAM
Navigation Instrumentation: SATNAV,GPS,AUTO LOG GYRO+2D DOPPLER SPD
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: SEABEAM VERT.BEAM(2&2/3DEG)&3.5KHZ(WIDE)
Additional Forms of Bathymetric Data: ANAL.REC,35MM FILM,DIGITAL MAG. TAPE
Magnetics Instrumentation: NONE COLLECTED
Gravity Instrumentation: NONE COLLECTED
Seismic Instrumentation: NONE COLLECTED
Formats of Seismic Data: NONE COLLECTED
Topmost Latitude of Survey: +14
Bottommost Latitude: -02
Leftmost Longitude: +121
Rightmost Longitude: +145
General Digitizing Rate of Bathymetry: 010
General Sampling Rate of Bathymetry: 1PING IN H20
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: 1 MINUTE AVERAGES EXTRACTED FROM SEABEAM VERTICAL BEAMS
General Digitizing Rate of Magnetics: 010
General Sampling Rate of Magnetics: 06
Reference Field Code: 03
Reference Field: IGRF 1980
Method of Applying Residual Field: LIN.INTERP.POINTS WITHIN ONE DEGREE SQUARE
Additional Documentation: DEPTHS CORRECTED FOR 5 METER SHIP DRAFT, NGDC has multibeam bathymetric data for this cruise, however the tracklines, found here in GEODAS do not exactly correspond to the multibm data available. Full resolution multibeam bathymetry NOT available for this survey from, DATE/TIME 8604111503000 to 8604140748000.
Number of Data Records: 41311
Min/Max Data Record:
Date: 1986 03 25
Latitude: -1.32925
Longitude: +121.16569
Bathymetry, 2- Way Traveltime: 000133
Bathymetry, Corrected Depth: 10.0
Min/Max Data Record:
Date: 1986 04 22
Latitude: +13.45950
Longitude: +144.66133
Bathymetry, 2- Way Traveltime: 140240
Bathymetry, Corrected Depth: 10897.0