Multibeam Report for NBP0408


Ship Name: Nathaniel B. Palmer
Chief Scientist: Jacobs, Stanley
Source Organization: Marine Geoscience Data System (MGDS)
Start Date: 2004-10-12
End Date: 2004-12-07


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Multibeam Bathymetry

Cruise Details

Project: Antarctic Multibeam Bathymetry
Instrument: Simrad EM120

Data Quality

Number of Files: 32
Number of Records: 10462
BATHYMETRY DATA Quantity Percentage
Number of Beams 1998242 100%
Number of Good Beams 1340071 67.06%
Number of Zero Beams 658171 32.94%
Number of Flagged Beams 0 0%
AMPLITUDE DATA Quantity Percentage
Number of Beams 1998242 100%
Number of Good Beams 1340071 67.06%
Number of Zero Beams 658171 32.94%
Number of Flagged Beams 0 0%
SIDESCAN DATA Quantity Percentage
Number of Pixels 10713088 100%
Number of Good Pixels 3112362 29.05%
Number of Zero Pixels 7600726 70.95%
Number of Flagged Pixels 0 0%

Navigation Totals

Total Time: 9.9935 hours
Total Track Length: 71.1248 km
Average Speed: 7.117 km/hr (3.8429 knots)

Cruise Bounds

Northern Extent: -51.11867
Southern Extent: -67.105446
Western Extent: 142.827
Eastern Extent: 173.74246

Limits

Minimum Sonar Depth 0 Maximum Sonar Depth 7.89
Minimum Altitude 0 Maximum Altitude 5045.6802
Minimum Depth 301.6 Maximum Depth 5471.6899
Minimum Amplitude 0 Maximum Amplitude 85.5
Minimum Sidescan 0.02 Maximum Sidescan 123

File Information

Full Resolution Bathymetry as collected (raw): 31

Files File Size Description
0001_20041020_061118_raw.all.mb56.gz 6.43MB Simrad multibeam vendor format
0002_20041020_071118_raw.all.mb56.gz 6.33MB Simrad multibeam vendor format
0003_20041020_081119_raw.all.mb56.gz 2.53MB Simrad multibeam vendor format
0004_20041022_045432_raw.all.mb56.gz 3.16MB Simrad multibeam vendor format
0005_20041022_224244_raw.all.mb56.gz 29.9KB Simrad multibeam vendor format
0006_20041023_010446_raw.all.mb56.gz 1.20MB Simrad multibeam vendor format
0007_20041023_045907_raw.all.mb56.gz 0.61MB Simrad multibeam vendor format
0008_20041023_055828_raw.all.mb56.gz 4.75MB Simrad multibeam vendor format
0009_20041025_015306_raw.all.mb56.gz 1.76MB Simrad multibeam vendor format
0010_20041025_072052_raw.all.mb56.gz 21.15MB Simrad multibeam vendor format
0011_20041025_082053_raw.all.mb56.gz 0.91MB Simrad multibeam vendor format
0012_20041025_091946_raw.all.mb56.gz 16.50MB Simrad multibeam vendor format
0013_20041025_101946_raw.all.mb56.gz 13.19MB Simrad multibeam vendor format
0014_20041028_070243_raw.all.mb56.gz 2.21MB Simrad multibeam vendor format
0015_20041028_080243_raw.all.mb56.gz 1.67MB Simrad multibeam vendor format
0016_20041029_011247_raw.all.mb56.gz 10.12MB Simrad multibeam vendor format
0017_20041029_021247_raw.all.mb56.gz 10.36MB Simrad multibeam vendor format
0018_20041029_031247_raw.all.mb56.gz 10.36MB Simrad multibeam vendor format
0019_20041029_041247_raw.all.mb56.gz 3.90MB Simrad multibeam vendor format
0020_20041029_095918_raw.all.mb56.gz 1.78MB Simrad multibeam vendor format
0021_20041029_102339_raw.all.mb56.gz 132.8KB Simrad multibeam vendor format
0022_20041029_102615_raw.all.mb56.gz 3.32MB Simrad multibeam vendor format
0023_20041031_022557_raw.all.mb56.gz 1.03MB Simrad multibeam vendor format
0024_20041031_052000_raw.all.mb56.gz 113.3KB Simrad multibeam vendor format
0025_20041031_052239_raw.all.mb56.gz 218.7KB Simrad multibeam vendor format
0026_20041101_032844_raw.all.mb56.gz 392.9KB Simrad multibeam vendor format
0027_20041101_063751_raw.all.mb56.gz 65.0KB Simrad multibeam vendor format
0029_20041109_021817_raw.all.mb56.gz 23.8KB Simrad multibeam vendor format
0030_20041109_021825_raw.all.mb56.gz 4.6KB Simrad multibeam vendor format
0031_20041109_021831_raw.all.mb56.gz 29.5KB Simrad multibeam vendor format
0032_20041109_053646_raw.all.mb56.gz 21.9KB Simrad multibeam vendor format

Metadata Files: 1

Files File Size Description
NBP0408_Multibeam.xml NGDC created ISO metadata