| Project: | Marathon Expedition |
| Instrument: | SeaBeam |
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| All Bathy/Relief | Coastal | DEM Portal | Fishing | Global | Lakes | Multibeam | NOS |
| Ship Name: | Thomas Washington |
| Chief Scientist: | Smith, Ken L. Scripps Institution of Oceanography |
| Source Organization: | University of California, Scripps Institution of Oceanography (UC/SIO) |
| Start Date: | 1984-03-24 |
| End Date: | 1984-04-27 |
Multibeam Bathymetry
| Project: | Marathon Expedition |
| Instrument: | SeaBeam |
| Number of Files: | 9 |
| Number of Records: | 60914 |
| BATHYMETRY DATA | Quantity | Percentage |
|---|---|---|
| Number of Beams | 1157366 | 100% |
| Number of Good Beams | 810486 | 70.03% |
| Number of Zero Beams | 346879 | 29.97% |
| Number of Flagged Beams | 1 | 0.0% |
| Total Time: | 280.7281 hours |
| Total Track Length: | 3578.3539 km |
| Average Speed: | 12.747 km/hr (6.8828 knots) |
| Northern Extent: | 33.012257 |
| Southern Extent: | 21.974653 |
| Western Extent: | -159.14026 |
| Eastern Extent: | -120.431046 |
| Minimum Sonar Depth | 0 | Maximum Sonar Depth | 0 |
| Minimum Altitude | 0 | Maximum Altitude | 6364 |
| Minimum Depth | 2219 | Maximum Depth | 6388 |
File Information
| Files | File Size | Description |
|---|---|---|
| MRTN01WT.SWSB.84apr06 | 75.9KB | SIO Swath-bathy SeaBeam |
| MRTN01WT.SWSB.84apr06.2 | 179.0KB | SIO Swath-bathy SeaBeam |
| MRTN01WT.SWSB.84apr07 | 214.0KB | SIO Swath-bathy SeaBeam |
| MRTN01WT.SWSB.84apr10 | 0.51MB | SIO Swath-bathy SeaBeam |
| MRTN01WT.SWSB.84apr12 | 1.58MB | SIO Swath-bathy SeaBeam |
| MRTN01WT.SWSB.84apr14 | 1.34MB | SIO Swath-bathy SeaBeam |
| MRTN01WT.SWSB.84apr15 | 0.63MB | SIO Swath-bathy SeaBeam |
| MRTN01WT.SWSB.84apr27 | 2.25MB | SIO Swath-bathy SeaBeam |
| Files | File Size | Description |
|---|---|---|
| MRTN01WT_Multibeam.xml | NCEI created ISO metadata |