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Federal
Multibeam Bathymetry Database (MBBDB) NGDA 21 recent views
National Oceanic and Atmospheric Administration, Department of Commerce —
Originally designed for military use, the multibeam echosounder has proved very useful for nautical charting, oceanographic research and modeling, habitat... -
Federal
Marine Trackline Geophysical Database NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
This data set contains bathymetry, magnetic, gravity and seismic shot point navigation data collected during marine cruises from 1939 to the present. Coverage is... -
Federal
MODIS/Aqua Sea Ice Extent 5-Min L2 Swath 1km NRT NGDA
National Aeronautics and Space Administration —
MODIS/Aqua Sea Ice Extent 5-Min L2 Swath 1km Near Real Time (NRT), short name MYD29, contains the following fields: sea ice by reflectance, sea ice by reflectance... -
Federal
Multisensor Analyzed Sea Ice Extent - Northern Hemisphere (MASIE-NH), Version 1 NGDA
National Aeronautics and Space Administration —
The Multisensor Analyzed Sea Ice Extent - Northern Hemisphere (MASIE-NH) products provide measurements of daily sea ice extent and sea ice edge boundary for the... -
Federal
NOS Hydrographic Surveys Collection NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe...