Multibeam Report for EW9908

Ship Name: Maurice Ewing
Chief Scientist: Bangs, Nathan
Source Organization: Marine Geoscience Data System (MGDS)
Start Date: 1999-07-21
End Date: 1999-08-18

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Multibeam Bathymetry

Cruise Details

Project: A 3-D Seismic Investigation of the Sediment-to-Rock Transition and Its Relationship to Nankai Subduction Thrust Seismicity: U.S.-Japan Collaborative Program
Instrument: Atlas Hydrosweep DS

Data Quality

Number of Files: 30
Number of Records: 215073
BATHYMETRY DATA Quantity Percentage
Number of Beams 12689307 100%
Number of Good Beams 11376871 89.66%
Number of Zero Beams 1312436 10.34%
Number of Flagged Beams 0 0%

Navigation Totals

Total Time: 667.6809 hours
Total Track Length: 5935.4818 km
Average Speed: 8.89 km/hr (4.8002 knots)

Cruise Bounds

Northern Extent: 35.56344
Southern Extent: 31.83315
Western Extent: 133.62576
Eastern Extent: 139.78452


Minimum Sonar Depth 5.5 Maximum Sonar Depth 5.5
Minimum Altitude 0 Maximum Altitude 4975.5
Minimum Depth 0.1 Maximum Depth 5291

File Information

Full Resolution Bathymetry as collected (raw): 29

Files File Size Description
9908hs.d202.mb21.gz 3.84MB Raw Hydrosweep
9908hs.d203.mb21.gz 3.36MB Raw Hydrosweep
9908hs.d204.mb21.gz 3.39MB Raw Hydrosweep
9908hs.d205.mb21.gz 3.45MB Raw Hydrosweep
9908hs.d206.mb21.gz 3.55MB Raw Hydrosweep
9908hs.d207.mb21.gz 2.67MB Raw Hydrosweep
9908hs.d208.mb21.gz 2.66MB Raw Hydrosweep
9908hs.d209.mb21.gz 3.48MB Raw Hydrosweep
9908hs.d210.mb21.gz 3.59MB Raw Hydrosweep
9908hs.d211.mb21.gz 3.50MB Raw Hydrosweep
9908hs.d212.mb21.gz 3.52MB Raw Hydrosweep
9908hs.d213.mb21.gz 2.93MB Raw Hydrosweep
9908hs.d214.mb21.gz 3.55MB Raw Hydrosweep
9908hs.d215.mb21.gz 3.56MB Raw Hydrosweep
9908hs.d216.mb21.gz 3.38MB Raw Hydrosweep
9908hs.d217.mb21.gz 2.36MB Raw Hydrosweep
9908hs.d218.mb21.gz 3.12MB Raw Hydrosweep
9908hs.d219.mb21.gz 3.42MB Raw Hydrosweep
9908hs.d220.mb21.gz 3.25MB Raw Hydrosweep
9908hs.d221.mb21.gz 3.69MB Raw Hydrosweep
9908hs.d222.mb21.gz 4.07MB Raw Hydrosweep
9908hs.d223.mb21.gz 3.87MB Raw Hydrosweep
9908hs.d224.mb21.gz 3.37MB Raw Hydrosweep
9908hs.d225.mb21.gz 3.84MB Raw Hydrosweep
9908hs.d226.mb21.gz 3.84MB Raw Hydrosweep
9908hs.d227.mb21.gz 3.89MB Raw Hydrosweep
9908hs.d228.mb21.gz 3.27MB Raw Hydrosweep
9908hs.d229.mb21.gz 6.78MB Raw Hydrosweep
9908hs.d230.mb21.gz 501.2KB Raw Hydrosweep

Metadata Files: 1

Files File Size Description
EW9908_Multibeam.xml NGDC created ISO metadata