Survey Identifier: NBP00-2


Format Acronym: MGD77
Data Center File Number: 88010046
Parameters Surveyed Code: 55500
File Creation Date (yyyymmdd): 20000506
Source Institution: UNIVERSITY OF TEXAS AT AUSTIN
Country: USA
Platform Name: NATHANIEL B. PALMER
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): JAMES AUSTIN
Project: NATHANIEL B. PALMER CRUISE: NBP 00-2
Funding: NSF
Survey Departure Date (yyyymmdd): 20000405
Port of Departure: PUNTA ARENAS CHILE
Survey Arrival Date (yyyymmdd): 20000506
Port of Arrival: PUNTA ARENAS CHILE
Navigation Instrumentation: P-CODE GPS
Geodetic Datum/Position: SATELLITE
Bathymetry Instrumentation: BATHY SUBBOTTOM3.5KHZCHIRP SEABEAM 12KHZ
Additional Forms of Bathymetric Data: NONE
Magnetics Instrumentation: NONE
Additional Forms of Magnetics Data: NONE
Gravity Instrumentation: NONE
Additional Forms of Gravity Data: NONE
Seismic Instrumentation: 3000IN3 AIRGUN TUNED OCEANBOTTOM SEISMTR
Formats of Seismic Data: DIGITAL
Topmost Latitude of Survey: -52
Bottommost Latitude: -64
Leftmost Longitude: -071
Rightmost Longitude: -055
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: 014
General Digitizing Rate of Gravity: 011
Additional Documentation: DATA PROCESSED BY ANTARCTIC SUPPORT ASSOCIATES/RAYTHEON POLAR SERVICES. Seismic source was a 3000 cu in BOLT Gun tuned array. Data were recorded on, ocean bottom seismometers and archived to tape. SEABEAM 2112 CENTER BEAM USED FOR BATHYMETRY. BATHYMETRY DATA CORRECTED USING, XBT PROBE AND LEVITUS DATA OR CTD CAST DATA.
Number of Data Records: 37124

Min/Max Data Record:
Date: 2000 04 06
Latitude: -63.45772
Longitude: -70.90616
Bathymetry, Corrected Depth: 23.5
Magnetics Total Field, 1st Sensor: 341157
Magnetics Residual Field: -05118
Observed Gravity: 9812133
Free-Air Anomaly: -1551

Min/Max Data Record:
Date: 2000 05 02
Latitude: -52.35281
Longitude: -55.75043
Bathymetry, Corrected Depth: 5236.4
Magnetics Total Field, 1st Sensor: 364698
Magnetics Residual Field: +04688
Observed Gravity: 9821823
Free-Air Anomaly: +0786