| Project: | Gulf of Mexico Mapping and Exploration |
| Instrument: | Kongsberg EM302 |
| All Bathy/Relief | Coastal | DEM Portal | Fishing | Global | Lakes | Multibeam | NOS |
| Ship Name: | NOAA Ship OKEANOS EXPLORER (R337) |
| Chief Scientist: | McKenna, Lindsay NOAA/OAR/OER |
| Source Organization: | NOAA Office of Ocean Exploration and Research (OER) |
| Start Date: | 2014-03-19 |
| End Date: | 2014-04-04 |
Multibeam Bathymetry

| Project: | Gulf of Mexico Mapping and Exploration |
| Instrument: | Kongsberg EM302 |

| Number of Files: | 658 |
| Number of Records: | 1505122 |
| BATHYMETRY DATA | Quantity | Percentage |
|---|---|---|
| Number of Beams | 286059168 | 100% |
| Number of Good Beams | 272026788 | 95.09% |
| Number of Zero Beams | 0 | 0% |
| Number of Flagged Beams | 14032380 | 4.91% |

| Total Time: | 337.8919 hours |
| Total Track Length: | 5200.9738 km |
| Average Speed: | 15.392 km/hr (8.3110 knots) |

| Northern Extent: | 29.50146 |
| Southern Extent: | 26.996487 |
| Western Extent: | -94.43106 |
| Eastern Extent: | -87.63282 |

| Minimum Sonar Depth | 0 | Maximum Sonar Depth | 11.9584 |
| Minimum Altitude | 42.8646 | Maximum Altitude | 1973.4221 |
| Minimum Depth | 37.2257 | Maximum Depth | 1976.4783 |
File Information



| Files | File Size | Description |
|---|---|---|
| EX1402L2_MB_FNL_01_50m_WGS84.asc.gz | 0.63MB | ESRI Arc ASCII |
| EX1402L2_MB_FNL_01_50m_WGS84.kmz.gz | 0.71MB | Compressed Keyhole Markup Language file |
| EX1402L2_MB_FNL_01_50m_WGS84.sd.gz | 1.00MB | Fledermaus surface |
| EX1402L2_MB_FNL_01_50m_WGS84.tif.gz | 0.71MB | GeoTIFF survey image |
| EX1402L2_MB_FNL_01_50m_WGS84.txt.gz | 2.58MB | ASCII text product |
| EX1402L2_MB_FNL_01_50m_WGS84.xyz.gz | 1.17MB | xyz grid file provided by the originator |
| EX1402L2_MB_FNL_02_30m_WGS84.asc.gz | 11.05MB | ESRI Arc ASCII |
| EX1402L2_MB_FNL_02_30m_WGS84.kmz.gz | 12.24MB | Compressed Keyhole Markup Language file |
| EX1402L2_MB_FNL_02_30m_WGS84.sd.gz | 17.50MB | Fledermaus surface |
| EX1402L2_MB_FNL_02_30m_WGS84.tif.gz | 12.21MB | GeoTIFF survey image |
| EX1402L2_MB_FNL_02_30m_WGS84.txt.gz | 140.18MB | ASCII text product |
| EX1402L2_MB_FNL_02_30m_WGS84.xyz.gz | 23.82MB | xyz grid file provided by the originator |
| EX1402L2_MB_FNL_02_50m_WGS84.asc.gz | 11.21MB | ESRI Arc ASCII |
| EX1402L2_MB_FNL_02_50m_WGS84.kmz.gz | 12.30MB | Compressed Keyhole Markup Language file |
| EX1402L2_MB_FNL_02_50m_WGS84.sd.gz | 17.63MB | Fledermaus surface |
| EX1402L2_MB_FNL_02_50m_WGS84.tif.gz | 12.27MB | GeoTIFF survey image |
| EX1402L2_MB_FNL_02_50m_WGS84.txt.gz | 51.80MB | ASCII text product |
| EX1402L2_MB_FNL_02_50m_WGS84.xyz.gz | 23.87MB | xyz grid file provided by the originator |
| EX1402L2_MB_FNL_03_50m_WGS84.asc.gz | 2.02MB | ESRI Arc ASCII |
| EX1402L2_MB_FNL_03_50m_WGS84.kmz.gz | 1.94MB | Compressed Keyhole Markup Language file |
| EX1402L2_MB_FNL_03_50m_WGS84.sd.gz | 2.93MB | Fledermaus surface |
| EX1402L2_MB_FNL_03_50m_WGS84.tif.gz | 1.94MB | GeoTIFF survey image |
| EX1402L2_MB_FNL_03_50m_WGS84.txt.gz | 7.80MB | ASCII text product |
| EX1402L2_MB_FNL_03_50m_WGS84.xyz.gz | 3.48MB | xyz grid file provided by the originator |

| Files | File Size | Description |
|---|---|---|
| EX1402L2_Multibeam.xml | NCEI created ISO metadata | |
| EX1402L2_Multibeam_COLLECTION_UNRESOLVED.xml | 21.4KB | XML metadata file |
| EX1402L2_Profile_COLLECTION_UNRESOLVED.xml | 15.6KB | XML metadata file |
| v1_file_metadata.tar.gz | 89.6KB | File level metadata |
| v2_file_metadata.tar.gz | 101.7KB | File level metadata |

| Files | File Size | Description |
|---|---|---|
| asvp.tar.gz | 463.9KB | Sound Speed Profiles (SSP or SVP) |
| support.tar.gz | 315.8KB | Supporting data |
| xbt.tar.gz | 2.15MB | Expendable Bathythermograph (XBT) data |

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