Multibeam Report for CRGN04WT

Ship Name: Thomas Washington
Chief Scientist: de Moustier, Christian and Lonsdale, Peter
Scripps Institution of Oceanography
Source Organization: University of California, Scripps Institution of Oceanography (UC/SIO)
Start Date: 1987-06-04
End Date: 1987-06-07

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Multibeam Bathymetry

Cruise Details

Project: Crossgrain Expedition
Instrument: SeaBeam

Data Quality

Number of Files: 8
Number of Records: 35335
BATHYMETRY DATA Quantity Percentage
Number of Beams 671365 100%
Number of Good Beams 494979 73.73%
Number of Zero Beams 176386 26.27%
Number of Flagged Beams 0 0%

Navigation Totals

Total Time: 77.9052 hours
Total Track Length: 1165.3689 km
Average Speed: 14.959 km/hr (8.0772 knots)

Cruise Bounds

Northern Extent: 20.5209
Southern Extent: 19.5703
Western Extent: -156.8191
Eastern Extent: -153.7879


Minimum Sonar Depth 0 Maximum Sonar Depth 0
Minimum Altitude 0 Maximum Altitude 5556
Minimum Depth 247 Maximum Depth 5600

File Information

Full Resolution Bathymetry as collected (raw): 5

Files File Size Description
CRGN04WT.SBM.87jun04 131.2KB SIO merge Sea Beam
CRGN04WT.SBM.87jun05 0.64MB SIO merge Sea Beam
CRGN04WT.SBM.87jun06 0.82MB SIO merge Sea Beam
CRGN04WT.SBM.87jun07 0.84MB SIO merge Sea Beam
CRGN04WT.SBM.87jun07.1 0.98MB SIO merge Sea Beam

Metadata Files: 1

Files File Size Description
CRGN04WT_Multibeam.xml NGDC created ISO metadata

Ancillary Files: 2

Files File Size Description
support.tar.gz 1.21MB Supporting data
svp.tar.gz 50.5KB Sound Speed Profiles (SSP or SVP)