Multibeam Report for AT31B

Ship Name: Atlantis
Chief Scientist: Plueddemann, Albert
Woods Hole Oceanographic Institution
Source Organization: UNOLS R2R
Start Date: 2015-10-19
End Date: 2015-10-25

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Multibeam Bathymetry

Cruise Details

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

Data Quality

Number of Files: 11
Number of Records: 43603
BATHYMETRY DATA Quantity Percentage
Number of Beams 18830448 100%
Number of Good Beams 18770767 99.68%
Number of Zero Beams 0 0%
Number of Flagged Beams 59681 0.32%

Navigation Totals

Total Time: 3.9076 hours
Total Track Length: 48.765 km
Average Speed: 12.48 km/hr (6.7387 knots)

Cruise Bounds

Northern Extent: 40.365772
Southern Extent: 39.88514
Western Extent: -70.88791
Eastern Extent: -70.77494


Minimum Sonar Depth 4.5816 Maximum Sonar Depth 6.6807
Minimum Altitude 88.0907 Maximum Altitude 1924.2612
Minimum Depth 83.0602 Maximum Depth 2393.2539

File Information

Full Resolution Bathymetry as collected (raw): 8

Files File Size Description
0000_20151021_173551_Atlantis.all.mb58.gz 19.52MB Kongsberg multibeam vendor format
0001_20151022_124712_Atlantis.all.mb58.gz 2.07MB Kongsberg multibeam vendor format
0002_20151022_134140_Atlantis.all.mb58.gz 38.82MB Kongsberg multibeam vendor format
0003_20151024_161651_Atlantis.all.mb58.gz 71.4KB Kongsberg multibeam vendor format
0004_20151024_173129_Atlantis.all.mb58.gz 244.16MB Kongsberg multibeam vendor format
0005_20151024_183129_Atlantis.all.mb58.gz 169.30MB Kongsberg multibeam vendor format
0006_20151024_194634_Atlantis.all.mb58.gz 294.69MB Kongsberg multibeam vendor format
0007_20151024_204634_Atlantis.all.mb58.gz 281.27MB Kongsberg multibeam vendor format

Metadata Files: 2

Files File Size Description
AT31B_Multibeam.xml NGDC created ISO metadata
em122_bag_info.tar.gz 1.4KB Additional cruise information

Water Column Sonar Data

Water Column Sonar Data Available: WCSD Map Viewer