Multibeam Report for AT31A


Ship Name: Atlantis
Chief Scientist: Plueddemann, Albert
Woods Hole Oceanographic Institution
Source Organization: Rolling Deck to Repository
Start Date: 2015-10-11
End Date: 2015-10-18


View ISO Metadata

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Multibeam Bathymetry

Cruise Details

Project: Ocean Observatories Initiative (OOI): Pioneer Array
Instrument: Kongsberg EM122

Data Quality

Number of Files: 7
Number of Records: 6523
BATHYMETRY DATA Quantity Percentage
Number of Beams 2817072 100%
Number of Good Beams 2755677 97.82%
Number of Zero Beams 0 0%
Number of Flagged Beams 61395 2.18%
AMPLITUDE DATA Quantity Percentage
Number of Beams 2817072 100%
Number of Good Beams 2755677 97.82%
Number of Zero Beams 0 0%
Number of Flagged Beams 61395 2.18%
SIDESCAN DATA Quantity Percentage
Number of Pixels 6677504 100%
Number of Good Pixels 5917142 88.61%
Number of Zero Pixels 0 0%
Number of Flagged Pixels 760362 11.39%

Navigation Totals

Total Time: 1.6809 hours
Total Track Length: 4.5094 km
Average Speed: 2.683 km/hr (1.4487 knots)

Cruise Bounds

Northern Extent: 40.096195
Southern Extent: 39.892307
Western Extent: -70.88341
Eastern Extent: -70.76923

Limits

Minimum Sonar Depth 5.1862 Maximum Sonar Depth 6.407
Minimum Altitude 125.6171 Maximum Altitude 1976.4517
Minimum Depth 114.0326 Maximum Depth 3728.0093
Minimum Amplitude 0 Maximum Amplitude 25.3
Minimum Sidescan 0 Maximum Sidescan 35.2

File Information

Full Resolution Bathymetry as collected (raw): 4

Files File Size Description
0000_20151012_143340_Atlantis.all.mb58.gz 135.64MB Kongsberg multibeam vendor format
0001_20151012_153342_Atlantis.all.mb58.gz 5.07MB Kongsberg multibeam vendor format
0002_20151012_231035_Atlantis.all.mb58.gz 64.22MB Kongsberg multibeam vendor format
0003_20151017_224051_Atlantis.all.mb58.gz 18.71MB Kongsberg multibeam vendor format

Metadata Files: 2

Files File Size Description
AT31A_Multibeam.xml NGDC created ISO metadata
em122_bag_info.tar.gz 1.2KB Additional cruise information

Water Column Sonar Data

Water Column Sonar Data Available: WCSD Map Viewer