| Project: | Plume Expedition |
| Instrument: | SeaBeam |
| All Bathy/Relief | Coastal | DEM Portal | Fishing | Global | Lakes | Multibeam | NOS |
| Ship Name: | Thomas Washington |
| Chief Scientist: | |
| Source Organization: | University of California, Scripps Institution of Oceanography (UC/SIO) |
| Start Date: | 1990-02-13 |
| End Date: | 1990-03-05 |
Multibeam Bathymetry

| Project: | Plume Expedition |
| Instrument: | SeaBeam |

| Number of Files: | 4 |
| Number of Records: | 34085 |
| BATHYMETRY DATA | Quantity | Percentage |
|---|---|---|
| Number of Beams | 647615 | 100% |
| Number of Good Beams | 296129 | 45.73% |
| Number of Zero Beams | 351486 | 54.27% |
| Number of Flagged Beams | 0 | 0% |

| Total Time: | 38.3608 hours |
| Total Track Length: | 775.0133 km |
| Average Speed: | 20.203 km/hr (10.9088 knots) |

| Northern Extent: | 3.528894 |
| Southern Extent: | -0.772994 |
| Western Extent: | -90.21479 |
| Eastern Extent: | -84.72751 |

| Minimum Sonar Depth | 0 | Maximum Sonar Depth | 0 |
| Minimum Altitude | 0 | Maximum Altitude | 3575 |
| Minimum Depth | 65 | Maximum Depth | 3601 |
File Information

| Files | File Size | Description |
|---|---|---|
| PLUM03WT.SBM.90feb14 | 3.26MB | SIO merge Sea Beam |

| Files | File Size | Description |
|---|---|---|
| PLUM03WT_Multibeam.xml | NGDC created ISO metadata |

| Files | File Size | Description |
|---|---|---|
| support.tar.gz | 1.21MB | Supporting data |
| svp.tar.gz | 50.6KB | Sound Speed Profiles (SSP or SVP) |