| Project: | Mariana 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: | 2020-05-02 |
| End Date: | 2020-07-09 |
Multibeam Bathymetry

| Project: | Mariana Trench |
| Instrument: | Kongsberg EM124 |

| Number of Files: | 964 |
| Number of Records: | 99956 |
| BATHYMETRY DATA | Quantity | Percentage |
|---|---|---|
| Number of Beams | 51177472 | 100% |
| Number of Good Beams | 45525658 | 88.96% |
| Number of Zero Beams | 0 | 0% |
| Number of Flagged Beams | 5651814 | 11.04% |

| Total Time: | 460.6886 hours |
| Total Track Length: | 7960.9599 km |
| Average Speed: | 17.281 km/hr (9.3310 knots) |

| Northern Extent: | 24.484415 |
| Southern Extent: | 10.694485 |
| Western Extent: | 139.62903 |
| Eastern Extent: | 148.46323 |

| Minimum Sonar Depth | 0 | Maximum Sonar Depth | 0 |
| Minimum Altitude | 1.74 | Maximum Altitude | 10264.8252 |
| Minimum Depth | 1648.5861 | Maximum Depth | 11987.5244 |
File Information


| Files | File Size | Description |
|---|---|---|
| MarianaTrench_all_200m.tif.gz | 16.89MB | GeoTIFF survey image |
| Mariana_95_Uncertainty_100m.tif.gz | 567.33MB | GeoTIFF survey image |
| Mariana_Backscatter_85m.tif.gz | 843.02MB | GeoTIFF survey image |
| Mariana_Merged_100m.tif.gz | 39.61MB | GeoTIFF survey image |
| Mariana_New_95unrt.xyz.gz | 195.27MB | xyz grid file provided by the originator |
| Mariana_all_100m.bag.gz | 1124.50MB | Bathymetric Attributed Grid |
| Mariana_all_100m.bag.xml.gz | 16.2KB | Product Specific Metadata |
| Mariana_all_100m.tif.gz | 49.73MB | GeoTIFF survey image |
| Mariana_all_100m.xyz.gz | 440.03MB | xyz grid file provided by the originator |
| Mariana_all_200m.bag.gz | 284.78MB | Bathymetric Attributed Grid |
| Mariana_all_200m.bag.xml.gz | 16.2KB | Product Specific Metadata |
| Mariana_all_95uncrt.xyz.gz | 97.84MB | xyz grid file provided by the originator |
| Mariana_new_100m.tif.gz | 35.33MB | GeoTIFF survey image |
| Mariana_new_100m.xyz.gz | 234.85MB | xyz grid file provided by the originator |

| Files | File Size | Description |
|---|---|---|
| DSSVPD_MarianaTrench_DAPR.pdf | 4.68MB | PDF metadata file |
| DSSVPD_Mariana_DR.pdf | 2.51MB | PDF metadata file |
| PD20MT01.txt | 0.8KB | Informal metadata text |

| Files | File Size | Description |
|---|---|---|
| soundspeed_raw.tar.gz | 107.8KB | Ancillary Data Files |
| qpd_projects.tar.gz | 1392.20MB | Ancillary Data Files |
| qps_projects.tar.gz | 39192.23MB | Ancillary Data Files |
| soundspeed_processed.tar.gz | 3.01MB | Ancillary Data Files |