| 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: | Comer, Ron Scripps Institution of Oceanography |
| Source Organization: | University of California, Scripps Institution of Oceanography (UC/SIO) |
| Start Date: | 1984-08-12 |
| End Date: | 1984-08-21 |
Multibeam Bathymetry
| Project: | Marathon Expedition |
| Instrument: | SeaBeam |
| Number of Files: | 7 |
| Number of Records: | 65628 |
| BATHYMETRY DATA | Quantity | Percentage |
|---|---|---|
| Number of Beams | 1246932 | 100% |
| Number of Good Beams | 837734 | 67.18% |
| Number of Zero Beams | 409198 | 32.82% |
| Number of Flagged Beams | 0 | 0% |
| Total Time: | 162.5466 hours |
| Total Track Length: | 2775.3134 km |
| Average Speed: | 17.074 km/hr (9.2192 knots) |
| Northern Extent: | 9.116854 |
| Southern Extent: | -14.328671 |
| Western Extent: | -170.36801 |
| Eastern Extent: | -163.25162 |
| Minimum Sonar Depth | 0 | Maximum Sonar Depth | 0 |
| Minimum Altitude | 0 | Maximum Altitude | 5837 |
| Minimum Depth | 518 | Maximum Depth | 5854 |
File Information
| Files | File Size | Description |
|---|---|---|
| MRTN05WT.SBM.84aug15 | 1.02MB | SIO merge Sea Beam |
| MRTN05WT.SBM.84aug18 | 1.83MB | SIO merge Sea Beam |
| MRTN05WT.SBM.84aug21 | 2.65MB | SIO merge Sea Beam |
| MRTN05WT.SBM.84aug22 | 0.76MB | SIO merge Sea Beam |
| Files | File Size | Description |
|---|---|---|
| MRTN05WT_Multibeam.xml | NCEI created ISO metadata |
| Files | File Size | Description |
|---|---|---|
| support.tar.gz | 1.21MB | Supporting data |
| svp.tar.gz | 50.5KB | Sound Speed Profiles (SSP or SVP) |