Multibeam Report for CRGN03WT

Ship Name: Thomas Washington
Chief Scientist: Cronan, David S.
Imperial College of London
Source Organization: University of California, Scripps Institution of Oceanography (UC/SIO)
Start Date: 1987-04-30
End Date: 1987-06-03

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Multibeam Bathymetry

Cruise Details

Project: Crossgrain Expedition
Instrument: SeaBeam

Data Quality

Number of Files: 22
Number of Records: 290537
BATHYMETRY DATA Quantity Percentage
Number of Beams 5520203 100%
Number of Good Beams 3953128 71.61%
Number of Zero Beams 1567075 28.39%
Number of Flagged Beams 0 0%

Navigation Totals

Total Time: 828.6849 hours
Total Track Length: 12860.2807 km
Average Speed: 15.519 km/hr (8.3796 knots)

Cruise Bounds

Northern Extent: 19.80857
Southern Extent: -17.427866
Western Extent: -162.96994
Eastern Extent: -149.70328


Minimum Sonar Depth 0 Maximum Sonar Depth 0
Minimum Altitude 0 Maximum Altitude 6577
Minimum Depth 377 Maximum Depth 6601

File Information

Full Resolution Bathymetry as collected (raw): 19

Files File Size Description
CRGN03WT.SBM.87jun02 1.67MB SIO merge Sea Beam
CRGN03WT.SBM.87jun03 1.27MB SIO merge Sea Beam
CRGN03WT.SBM.87may02 1.52MB SIO merge Sea Beam
CRGN03WT.SBM.87may02.1 0.72MB SIO merge Sea Beam
CRGN03WT.SBM.87may04 0.84MB SIO merge Sea Beam
CRGN03WT.SBM.87may06 1.58MB SIO merge Sea Beam
CRGN03WT.SBM.87may07 0.83MB SIO merge Sea Beam
CRGN03WT.SBM.87may09 1.63MB SIO merge Sea Beam
CRGN03WT.SBM.87may11 1.58MB SIO merge Sea Beam
CRGN03WT.SBM.87may13 1.61MB SIO merge Sea Beam
CRGN03WT.SBM.87may15 1.46MB SIO merge Sea Beam
CRGN03WT.SBM.87may17 1.36MB SIO merge Sea Beam
CRGN03WT.SBM.87may19 1.52MB SIO merge Sea Beam
CRGN03WT.SBM.87may21 1.63MB SIO merge Sea Beam
CRGN03WT.SBM.87may23 1.64MB SIO merge Sea Beam
CRGN03WT.SBM.87may25 1.76MB SIO merge Sea Beam
CRGN03WT.SBM.87may27 1.87MB SIO merge Sea Beam
CRGN03WT.SBM.87may29 1.62MB SIO merge Sea Beam
CRGN03WT.SBM.87may31 1.76MB SIO merge Sea Beam

Metadata Files: 1

Files File Size Description
CRGN03WT_Multibeam.xml NCEI 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)