Multibeam Report for PPTU11WT

Ship Name: Thomas Washington
Chief Scientist: Lonsdale, Peter and Smith, K.
Scripps Institution of Oceanography
Source Organization: University of California, Scripps Institution of Oceanography (UC/SIO)
Start Date: 1986-07-23
End Date: 1986-08-20

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Multibeam Bathymetry

Cruise Details

Project: Papatua Expedition
Instrument: SeaBeam

Data Quality

Number of Files: 16
Number of Records: 241138
BATHYMETRY DATA Quantity Percentage
Number of Beams 4581622 100%
Number of Good Beams 3353064 73.19%
Number of Zero Beams 1228558 26.81%
Number of Flagged Beams 0 0%

Navigation Totals

Total Time: 551.8028 hours
Total Track Length: 11542.9639 km
Average Speed: 20.919 km/hr (11.2954 knots)

Cruise Bounds

Northern Extent: 52.4757
Southern Extent: 31.903
Western Extent: 133.7689
Eastern Extent: -117.3848


Minimum Sonar Depth 0 Maximum Sonar Depth 0
Minimum Altitude 0 Maximum Altitude 7246
Minimum Depth 49 Maximum Depth 7339

File Information

Full Resolution Bathymetry as collected (raw): 13

Files File Size Description
PPTU11WT.SBM.86aug01 1.99MB SIO merge Sea Beam
PPTU11WT.SBM.86aug03 1.69MB SIO merge Sea Beam
PPTU11WT.SBM.86aug05 2.20MB SIO merge Sea Beam
PPTU11WT.SBM.86aug07 2.04MB SIO merge Sea Beam
PPTU11WT.SBM.86aug09 1.89MB SIO merge Sea Beam
PPTU11WT.SBM.86aug11 1.38MB SIO merge Sea Beam
PPTU11WT.SBM.86aug13 1.63MB SIO merge Sea Beam
PPTU11WT.SBM.86aug14 1.72MB SIO merge Sea Beam
PPTU11WT.SBM.86aug17 1.67MB SIO merge Sea Beam
PPTU11WT.SBM.86aug19 2.42MB SIO merge Sea Beam
PPTU11WT.SBM.86aug20 2.47MB SIO merge Sea Beam
PPTU11WT.SBM.86jul25 2.20MB SIO merge Sea Beam
PPTU11WT.SBM.86jul30 1.45MB SIO merge Sea Beam

Metadata Files: 1

Files File Size Description
PPTU11WT_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)