| Project: | Crossgrain Expedition |
| Instrument: | SeaBeam |
|
|
|
| All Bathy/Relief | Coastal | DEM Portal | Fishing | Global | Lakes | Multibeam | NOS |
| Ship Name: | Thomas Washington |
| Chief Scientist: | de Moustier, Christian; Lonsdale, Peter Scripps Institution of Oceanography |
| Source Organization: | University of California San Diego, Scripps Institution of Oceanography (UCSD/SIO) |
| Start Date: | 1987-06-04 |
| End Date: | 1987-06-07 |
Multibeam Bathymetry
| Project: | Crossgrain Expedition |
| Instrument: | SeaBeam |
| Number of Files: | 8 |
| Number of Records: | 35335 |
| BATHYMETRY DATA | Quantity | Percentage |
|---|---|---|
| Number of Beams | 671365 | 100% |
| Number of Good Beams | 494979 | 73.73% |
| Number of Zero Beams | 176386 | 26.27% |
| Number of Flagged Beams | 0 | 0% |
| Total Time: | 77.9052 hours |
| Total Track Length: | 1165.3689 km |
| Average Speed: | 14.959 km/hr (8.0772 knots) |
| Northern Extent: | 20.5209 |
| Southern Extent: | 19.5703 |
| Western Extent: | -156.8191 |
| Eastern Extent: | -153.7879 |
| Minimum Sonar Depth | 0 | Maximum Sonar Depth | 0 |
| Minimum Altitude | 0 | Maximum Altitude | 5556 |
| Minimum Depth | 247 | Maximum Depth | 5600 |
File Information
| Files | File Size | Description |
|---|---|---|
| CRGN04WT.SBM.87jun04 | 131.2KB | SIO merge Sea Beam |
| CRGN04WT.SBM.87jun05 | 0.64MB | SIO merge Sea Beam |
| CRGN04WT.SBM.87jun06 | 0.82MB | SIO merge Sea Beam |
| CRGN04WT.SBM.87jun07 | 0.84MB | SIO merge Sea Beam |
| CRGN04WT.SBM.87jun07.1 | 0.98MB | SIO merge Sea Beam |
| Files | File Size | Description |
|---|---|---|
| CRGN04WT_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) |