Data:Global Multibeam Bathymetry
Global Multibeam Bathymetry dataset information page
|Perspective image of multibeam bathymetry|
Statement: NGDC's global database of multibeam swath sonar bathymetric surveys
Abstract: NGDC is the US national archive for multibeam bathymetric data and presently holds over 15.7 million nautical miles of ship tracklines (1187 surveys) received from sources worldwide.
In addition to deepwater data, the multibeam database also includes hydrographic multibeam survey data from the NOS. Associated NOS data products, including 3D images and grids, are available via the NOS Hydrographic Survey Data Map Service.
|Other format:||Variety of multibeam system binary formats|
|Data resolution:||Varies with water depth|
|Datum:||WGS 84 geographic (horizontal); instantaneous sea level (vertical)|
Spatial data coverage: Global bathymetry
Temporal data coverage: Time snap shot
Time period covered: By survey date
Download data: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html
Data source: http://www.ngdc.noaa.gov/mgg/bathymetry/multibeam.html