Survey Identifier: NBP97-8
Format Acronym: MGD77
Data Center File Number: 88010020
Parameters Surveyed Code: 50000
File Creation Date (yyyymmdd): 19971214
Source Institution: DEPARTMENT OF ECOL. AND EVOL. BIOLOGY
Country: USA
Platform Name: NATHANIEL B. PALMER
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): WALKER SMITH
Project: NATHANIEL B. PALMER CRUISE: NBP97-8
Funding: NSF
Survey Departure Date (yyyymmdd): 19971105
Port of Departure: LYTTELTON NEW ZEALAND
Survey Arrival Date (yyyymmdd): 19971214
Port of Arrival: ICE EDGE
Navigation Instrumentation: P-CODE GPS
Geodetic Datum/Position: SATELLITE
Bathymetry Instrumentation: BATHYSUB-BOTTOM3.5KHZCHIRP SEABEAM 12KHZ
Additional Forms of Bathymetric Data: NONE
Magnetics Instrumentation: PROTON MAG
Additional Forms of Magnetics Data: NONE
Gravity Instrumentation: LACOSTE & ROMBERG MARINE GRAVIMETER S-36
Additional Forms of Gravity Data: NONE
Formats of Seismic Data: DIGITAL
Topmost Latitude of Survey: -43
Bottommost Latitude: -79
Leftmost Longitude: 165
Rightmost Longitude: -169
General Digitizing Rate of Bathymetry: 010
General Sampling Rate of Bathymetry: 1/MINUTE
Assumed Sound Velocity: 1500
Bathymetric Datum Code: 00
Interpolation Scheme: 1-MIN INTERVAL
General Digitizing Rate of Magnetics: 1.0
General Sampling Rate of Magnetics: 60
Magnetic Sensor Tow Distance: 150M
Reference Field Code: 88
Reference Field: IGRF95
General Digitizing Rate of Gravity: 1.0
General Sampling Rate of Gravity: 60
Theoretical Gravity Formula Code: 3
Theoretical Gravity Formula: IAG SYSTEM 1967
Additional Documentation: DATA PROCESSED BY ANTARCTIC SUPPORT ASSOCIATES/RAYTHEON POLAR SERVICES. SEABEAM2112 CENTER BEAM USED FOR BATHYMETRY. BATHYMETRY DATA CORRECTED USING, XBT PROBE AND LEVITUS DATA OR CTD CAST DATA.
Number of Data Records: 50414
Min/Max Data Record:
Date: 1997 11 05
Latitude: -78.06769
Longitude: -179.99970
Bathymetry, Corrected Depth: 41.8
Min/Max Data Record:
Date: 1997 12 12
Latitude: -43.58169
Longitude: +179.99990
Bathymetry, Corrected Depth: 5506.0