Multibeam Report for EW9415

Ship Name: Maurice Ewing
Chief Scientist: Brocher, Thomas
US Geological Survey
Source Organization: Marine Geoscience Data System (MGDS)
Start Date: 1994-10-13
End Date: 1994-10-21

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Multibeam Bathymetry

Cruise Details

Project: Seismic Refraction/Wide Angle Relfection Transe...
Instrument: Atlas Hydrosweep DS

Data Quality

Number of Files: 10
Number of Records: 146016
BATHYMETRY DATA Quantity Percentage
Number of Beams 8614944 100%
Number of Good Beams 8261052 95.89%
Number of Zero Beams 353875 4.11%
Number of Flagged Beams 17 0.0%

Navigation Totals

Total Time: 191.8776 hours
Total Track Length: 1579.3769 km
Average Speed: 8.231 km/hr (4.4444 knots)

Cruise Bounds

Northern Extent: 34.012115
Southern Extent: 32.61936
Western Extent: -119.71083
Eastern Extent: -117.22649


Minimum Sonar Depth 5.5 Maximum Sonar Depth 31
Minimum Altitude -5.5 Maximum Altitude 1855.5
Minimum Depth 0.1 Maximum Depth 9951

File Information

Full Resolution Bathymetry as collected (raw): 9

Files File Size Description
9415hs.d286.mb21.gz 3.58MB Raw Hydrosweep
9415hs.d287.mb21.gz 6.68MB Raw Hydrosweep
9415hs.d288.mb21.gz 9.06MB Raw Hydrosweep
9415hs.d289.mb21.gz 7.31MB Raw Hydrosweep
9415hs.d290.mb21.gz 8.42MB Raw Hydrosweep
9415hs.d291.mb21.gz 6.95MB Raw Hydrosweep
9415hs.d292.mb21.gz 8.37MB Raw Hydrosweep
9415hs.d293.mb21.gz 9.01MB Raw Hydrosweep
9415hs.d294.mb21.gz 5.30MB Raw Hydrosweep

Metadata Files: 1

Files File Size Description
EW9415_Multibeam.xml NGDC created ISO metadata