| Project: | Plume Expedition |
| Instrument: | SeaBeam |
| All Bathy/Relief | Coastal | DEM Portal | Fishing | Global | Lakes | Multibeam | NOS |
| Ship Name: | Thomas Washington |
| Chief Scientist: | Orcutt, John and Forsyth, Don Scripps Institution of Oceanography and Brown University |
| Source Organization: | University of California, Scripps Institution of Oceanography (UC/SIO) |
| Start Date: | 1990-03-08 |
| End Date: | 1990-04-11 |
Multibeam Bathymetry

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

| Number of Files: | 19 |
| Number of Records: | 427059 |
| BATHYMETRY DATA | Quantity | Percentage |
|---|---|---|
| Number of Beams | 8114121 | 100% |
| Number of Good Beams | 4419951 | 54.47% |
| Number of Zero Beams | 3694170 | 45.53% |
| Number of Flagged Beams | 0 | 0% |

| Total Time: | 794.153 hours |
| Total Track Length: | 14710.6106 km |
| Average Speed: | 18.524 km/hr (10.0022 knots) |

| Northern Extent: | -8.349181 |
| Southern Extent: | -35.555275 |
| Western Extent: | -52.69893 |
| Eastern Extent: | -13.088431 |

| Minimum Sonar Depth | 0 | Maximum Sonar Depth | 0 |
| Minimum Altitude | 0 | Maximum Altitude | 6081 |
| Minimum Depth | 96 | Maximum Depth | 6117 |
File Information

| Files | File Size | Description |
|---|---|---|
| PLUM04WT.SWSB.90apr01 | 3.30MB | SIO Swath-bathy SeaBeam |
| PLUM04WT.SWSB.90apr03 | 3.35MB | SIO Swath-bathy SeaBeam |
| PLUM04WT.SWSB.90apr05 | 2.80MB | SIO Swath-bathy SeaBeam |
| PLUM04WT.SWSB.90apr07 | 2.45MB | SIO Swath-bathy SeaBeam |
| PLUM04WT.SWSB.90apr09 | 2.35MB | SIO Swath-bathy SeaBeam |
| PLUM04WT.SWSB.90apr12 | 2.12MB | SIO Swath-bathy SeaBeam |
| PLUM04WT.SWSB.90mar09 | 0.93MB | SIO Swath-bathy SeaBeam |
| PLUM04WT.SWSB.90mar11 | 2.17MB | SIO Swath-bathy SeaBeam |
| PLUM04WT.SWSB.90mar13 | 1.99MB | SIO Swath-bathy SeaBeam |
| PLUM04WT.SWSB.90mar14 | 1.73MB | SIO Swath-bathy SeaBeam |
| PLUM04WT.SWSB.90mar16 | 2.37MB | SIO Swath-bathy SeaBeam |
| PLUM04WT.SWSB.90mar18 | 2.98MB | SIO Swath-bathy SeaBeam |
| PLUM04WT.SWSB.90mar20 | 3.14MB | SIO Swath-bathy SeaBeam |
| PLUM04WT.SWSB.90mar22 | 2.94MB | SIO Swath-bathy SeaBeam |
| PLUM04WT.SWSB.90mar24 | 3.24MB | SIO Swath-bathy SeaBeam |
| PLUM04WT.SWSB.90mar26 | 3.21MB | SIO Swath-bathy SeaBeam |
| PLUM04WT.SWSB.90mar28 | 3.40MB | SIO Swath-bathy SeaBeam |
| PLUM04WT.SWSB.90mar30 | 2.93MB | SIO Swath-bathy SeaBeam |

| Files | File Size | Description |
|---|---|---|
| PLUM04WT_Multibeam.xml | NGDC created ISO metadata |