| Project: | ATLANTIS Voyage 12 |
| Instrument: | SeaBeam 2112 |
| All Bathy/Relief | Coastal | DEM Portal | Fishing | Global | Lakes | Multibeam | NOS |
| Ship Name: | Atlantis |
| Chief Scientist: | Mullineaux, L. Woods Hole Oceanographic Institution |
| Source Organization: | Woods Hole Oceanographic Institution (WHOI) |
| Start Date: | 2005-10-20 |
| End Date: | 2005-10-31 |
Multibeam Bathymetry

| Project: | ATLANTIS Voyage 12 |
| Instrument: | SeaBeam 2112 |

| Number of Files: | 9 |
| Number of Records: | 45084 |
| BATHYMETRY DATA | Quantity | Percentage |
|---|---|---|
| Number of Beams | 5058468 | 100% |
| Number of Good Beams | 3673270 | 72.62% |
| Number of Zero Beams | 1302764 | 25.75% |
| Number of Flagged Beams | 82434 | 1.63% |

| Total Time: | 90.4091 hours |
| Total Track Length: | 1006.5056 km |
| Average Speed: | 11.133 km/hr (6.0113 knots) |

| Northern Extent: | 40.465206 |
| Southern Extent: | 39.286896 |
| Western Extent: | -69.8175 |
| Eastern Extent: | -65.35737 |

| Minimum Sonar Depth | 0 | Maximum Sonar Depth | 0 |
| Minimum Altitude | 0 | Maximum Altitude | 7249.2998 |
| Minimum Depth | 7.74 | Maximum Depth | 11023 |
File Information

| Files | File Size | Description |
|---|---|---|
| at12.sb.20051021.raw.mb41.gz | 67.98MB | SeaBeam 2100 series vender format |
| at12.sb.20051022.raw.mb41.gz | 19.02MB | SeaBeam 2100 series vender format |
| at12.sb.20051023.raw.mb41.gz | 35.66MB | SeaBeam 2100 series vender format |
| at12.sb.20051024.raw.mb41.gz | 11.52MB | SeaBeam 2100 series vender format |
| at12.sb.20051025.raw.mb41.gz | 64.27MB | SeaBeam 2100 series vender format |
| at12.sb.20051029.raw.mb41.gz | 14.20MB | SeaBeam 2100 series vender format |
| at12.sb.20051030.raw.mb41.gz | 5.06MB | SeaBeam 2100 series vender format |

| Files | File Size | Description |
|---|---|---|
| AT12_Multibeam.xml | NCEI created ISO metadata | |
| at12.txt | 363 Bytes | Informal metadata text |