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Federal
Maritime Limits and Boundaries of United States of America NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
NOAA is responsible for depicting on its nautical charts the limits of the 12 nautical mile Territorial Sea, 24 nautical mile Contiguous Zone, and 200 nautical mile... -
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... -
Federal
MODIS/Aqua Sea Ice Extent Daily L3 Global 1km EASE-Grid Day V061 NGDA
National Aeronautics and Space Administration —
This global Level-3 (L3) data set provides daily daytime sea ice extent and ice surface temperature derived from the 'MODIS/Aqua Sea Ice Extent 5-Min L2 Swath 1km'... -
Federal
MODIS/Aqua Sea Ice Extent and IST Daily L3 Global 4km EASE-Grid Day V061 NGDA
National Aeronautics and Space Administration —
This global Level-3 (L3) data set provides Northern and Southern Hemisphere maps of sea ice extent and ice surface temperature. The maps are generated by compositing... -
Federal
MODIS/Aqua Near Real Time (NRT) Coarse Sea Ice Extent 5-Min L2 Swath 5km
National Aeronautics and Space Administration —
MODIS/Aqua Near Real Time (NRT) Coarse Sea Ice Extent 5-Min L2 Swath 5km (MYD29L2C) data set contains fields for sea ice by reflectance, sea ice by reflectance pixel... -
Federal
MODIS/Aqua Sea Ice Extent 5-Min L2 Swath 1km V061 NGDA
National Aeronautics and Space Administration —
This global Level-2 (L2) product provides daily sea ice extent and ice surface temperature. The data are derived from Level-1B radiances acquired by the Moderate... -
Federal
MODIS/Terra Sea Ice Extent and IST Daily L3 Global 4km EASE-Grid Day V061 NGDA
National Aeronautics and Space Administration —
This global Level-3 (L3) data set provides Northern and Southern Hemisphere maps of sea ice extent and ice surface temperature. The maps are generated by compositing... -
Federal
Arctic Sea Ice Concentration and Extent from Danish Meteorological Institute Sea Ice Charts, 1901-1956, Version 1
National Aeronautics and Space Administration —
This data set provides estimates of Arctic sea ice extent and concentration from 1901 to 1956 created from a collection of historic, hand-drawn sea ice charts from... -
Federal
Sea Ice Edge Location and Extent in the Russian Arctic, 1933-2006, Version 1
National Aeronautics and Space Administration —
The Sea Ice Edge Location and Extent in the Russian Arctic, 1933-2006 data are derived from sea ice charts from the Arctic and Antarctic Research Institute (AARI),...