| Project: | TRASNA (TRASNA: Transocean Survey North Atlantic) |
| Instrument: | Kongsberg EM302 and EM2040 |
| All Bathy/Relief | Coastal | DEM Portal | Fishing | Global | Lakes | Multibeam | NOS |
| Ship Name: | Celtic Explorer |
| Chief Scientist: | Monteys, Xavier Geological Survey of Ireland |
| Source Organization: | Marine Institute |
| Start Date: | 2016-05-12 |
| End Date: | 2016-05-21 |
Multibeam Bathymetry

| Project: | TRASNA (TRASNA: Transocean Survey North Atlantic) |
| Instrument: | Kongsberg EM302 and EM2040 |

| Number of Files: | 240 |
| Number of Records: | 482620 |
| BATHYMETRY DATA | Quantity | Percentage |
|---|---|---|
| Number of Beams | 166529552 | 100% |
| Number of Good Beams | 158093667 | 94.93% |
| Number of Zero Beams | 0 | 0% |
| Number of Flagged Beams | 8435885 | 5.07% |

| Total Time: | 196.0651 hours |
| Total Track Length: | 3053.8447 km |
| Average Speed: | 15.576 km/hr (8.4104 knots) |

| Northern Extent: | 53.734787 |
| Southern Extent: | 47.565857 |
| Western Extent: | -52.652966 |
| Eastern Extent: | -12.081277 |

| Minimum Sonar Depth | 0.706 | Maximum Sonar Depth | 10.1358 |
| Minimum Altitude | 1.0117 | Maximum Altitude | 5844.438 |
| Minimum Depth | 9.592 | Maximum Depth | 6347.4043 |
File Information


| Files | File Size | Description |
|---|---|---|
| em2040_XYZ_lines.tar | 941.32MB | Tar archive of unsupported MB data |
| em302_XYZ_lines.tar | 2252.99MB | Tar archive of unsupported MB data |

| Files | File Size | Description |
|---|---|---|
| ATLANTIC_TRANSECS_ALL_2015_2016_100M.asc.gz | 1632.98MB | ESRI Arc ASCII |
| ATLANTIC_TRANSECS_ALL_2015_2016_100M.txt.gz | 296.97MB | ASCII text product |
| MidAtlanticRidge_2015-2016_80m.asc.gz | 340.57MB | ESRI Arc ASCII |
| TRASNA_2016_FULL_PASSAGE_100M.asc.gz | 17802.63MB | ESRI Arc ASCII |
| TRASNA_2016_FULL_PASSAGE_100M.txt.gz | 111.99MB | ASCII text product |
| TRASNA_2016_FULL_PASSAGE_100M_new.asc.gz | 1391.89MB | ESRI Arc ASCII |
| TRASNA_2016_FULL_PASSAGE_70M.asc.gz | 36340.16MB | ESRI Arc ASCII |
| TRASNA_2016_FULL_PASSAGE_70M.txt.gz | 216.29MB | ASCII text product |
| Trasna_MAT_2015-2016_80m.txt.gz | 66.15MB | ASCII text product |

| Files | File Size | Description |
|---|---|---|
| CE16014_Multibeam.xml | NCEI created ISO metadata | |
| CE16014_TRASNA_Atlantic_transect_level_metadata.xls | 29.0KB | Provider supplied metadata |
| LINES_METADATA.xlsx | 27.6KB | Provider supplied metadata |

| Water Column Sonar Data Available: | WCSD Map Viewer |