Multibeam Report for Loihi


Ship Name: Ocean Alert
Chief Scientist: Clague, David
Monterey Bay Aquarium Research Institute
Source Organization: Monterey Bay Aquarium Research Institute (MBARI)
Start Date: 1998-03-02
End Date: 1998-03-03


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Multibeam Bathymetry

Cruise Details

Project: MBARI 1998 Mapping Project
Instrument: Simrad EM300

Data Quality

Number of Files: 19
Number of Records: 19834
BATHYMETRY DATA Quantity Percentage
Number of Beams 2677590 100%
Number of Good Beams 2384125 89.04%
Number of Zero Beams 158225 5.91%
Number of Flagged Beams 135240 5.05%

Navigation Totals

Total Time: 28.3122 hours
Total Track Length: 511.98 km
Average Speed: 18.083 km/hr (9.7640 knots)

Cruise Bounds

Northern Extent: 19.4734
Southern Extent: 18.7448
Western Extent: -155.3113
Eastern Extent: -154.79382

Limits

Minimum Sonar Depth 3.87 Maximum Sonar Depth 7.46
Minimum Altitude 695.03 Maximum Altitude 4861.89
Minimum Depth 331.84 Maximum Depth 4919.07

File Information

Full Resolution Bathymetry as collected (raw): 18

Files File Size Description
mbari_1998_53_msn.mb57.gz 18.29MB Simrad multibeam processing format
mbari_1998_53_msnp.mb57.gz 18.31MB Simrad multibeam processing format
mbari_1998_54_msn.mb57.gz 6.06MB Simrad multibeam processing format
mbari_1998_54_msnp.mb57.gz 6.09MB Simrad multibeam processing format
mbari_1998_55_msn.mb57.gz 3.91MB Simrad multibeam processing format
mbari_1998_55_msnp.mb57.gz 3.88MB Simrad multibeam processing format
mbari_1998_56_msn.mb57.gz 2.31MB Simrad multibeam processing format
mbari_1998_56_msnp.mb57.gz 2.30MB Simrad multibeam processing format
mbari_1998_57_msn.mb57.gz 23.72MB Simrad multibeam processing format
mbari_1998_57_msnp.mb57.gz 23.65MB Simrad multibeam processing format
mbari_1998_58_msn.mb57.gz 4.82MB Simrad multibeam processing format
mbari_1998_58_msnp.mb57.gz 4.82MB Simrad multibeam processing format
mbari_1998_59_msn.mb57.gz 4.31MB Simrad multibeam processing format
mbari_1998_59_msnp.mb57.gz 4.32MB Simrad multibeam processing format
mbari_1998_60_msn.mb57.gz 3.57MB Simrad multibeam processing format
mbari_1998_60_msnp.mb57.gz 3.66MB Simrad multibeam processing format
mbari_1998_61_msn.mb57.gz 15.76MB Simrad multibeam processing format
mbari_1998_61_msnp.mb57.gz 15.88MB Simrad multibeam processing format

Metadata Files: 1

Files File Size Description
Loihi_Multibeam.xml NGDC created ISO metadata