| Project: | Aleutian Trench |
| Instrument: | Kongsberg EM124 |
| All Bathy/Relief | Coastal | DEM Portal | Fishing | Global | Lakes | Multibeam | NOS |
| Ship Name: | Pressure Drop |
| Chief Scientist: | Bongiovanni, Cassie Caladan Oceanic LLC |
| Source Organization: | Caladan Oceanic LLC |
| Start Date: | 2020-08-04 |
| End Date: | 2020-08-20 |
Multibeam Bathymetry

| Project: | Aleutian Trench |
| Instrument: | Kongsberg EM124 |

| Number of Files: | 693 |
| Number of Records: | 63224 |
| BATHYMETRY DATA | Quantity | Percentage |
|---|---|---|
| Number of Beams | 32370688 | 100% |
| Number of Good Beams | 28480772 | 87.98% |
| Number of Zero Beams | 0 | 0% |
| Number of Flagged Beams | 3889916 | 12.02% |

| Total Time: | 332.6592 hours |
| Total Track Length: | 5375.892 km |
| Average Speed: | 16.16 km/hr (8.7257 knots) |

| Northern Extent: | 53.97207 |
| Southern Extent: | 50.209057 |
| Western Extent: | 166.68677 |
| Eastern Extent: | -160.7675 |

| Minimum Sonar Depth | 0 | Maximum Sonar Depth | 0.08 |
| Minimum Altitude | 0.08 | Maximum Altitude | 7352.2559 |
| Minimum Depth | 3821.355 | Maximum Depth | 7366.2139 |
File Information


| Files | File Size | Description |
|---|---|---|
| 95Uncrt.xyz.gz | 194.84MB | xyz grid file provided by the originator |
| AleutianTrench_50m_mosaic.tiff.gz | 75.28MB | GeoTIFF survey image |
| AleutianTrench_CUBE_100m.tif.gz | 36.39MB | GeoTIFF survey image |
| AleutianTrench_CUBE_100m.xyz.gz | 235.49MB | xyz grid file provided by the originator |
| Aleutian_Trench_100m_CUBE.bag.gz | 1374.70MB | Bathymetric Attributed Grid |
| Aleutian_Trench_100m_CUBE.bag.xml.gz | 16.2KB | Product Specific Metadata |

| Files | File Size | Description |
|---|---|---|
| DSSVPD_Aleutian_DAPR.pdf | 4.68MB | PDF metadata file |
| DSSVPD_Aleutian_DR.pdf | 3.38MB | PDF metadata file |
| PD20AL02.txt | 0.8KB | Informal metadata text |
| DSSVPD_Aleutian_DAPR.pdf | 4.68MB | PDF metadata file |
| DSSVPD_Aleutian_DR.pdf | 3.38MB | PDF metadata file |
| PD20AL02.txt | 0.8KB | Informal metadata text |

| Files | File Size | Description |
|---|---|---|
| soundspeed_raw.tar.gz | 313.7KB | Ancillary Data Files |
| qpd_projects.tar.gz | 893.21MB | Ancillary Data Files |
| qps_projects.tar.gz | 9269.43MB | Ancillary Data Files |
| soundspeed_processed.tar.gz | 39.7KB | Ancillary Data Files |