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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
International Ice Patrol (IIP) Iceberg Sightings Database, Version 1
National Aeronautics and Space Administration —
The International Ice Patrol (IIP) has been collecting information on iceberg activity in the North Atlantic since 1913. This database contains the data from these... -
Federal
Sea Ice Index, Version 4
National Aeronautics and Space Administration —
Notice: Due to funding limitations, this data set was recently changed to a “Basic” Level of Service. Learn more about what this means for users and how you can share... -
Federal
NOAA Climate Data Record (CDR) of Passive Microwave Sea Ice Concentration, Version 2
National Oceanic and Atmospheric Administration, Department of Commerce —
The Passive Microwave Sea Ice Concentration Climate Data Record (CDR) dataset is generated using daily gridded brightness temperatures from the Defense Meteorological... -
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
Sea Ice Trends and Climatologies from SMMR and SSM/I-SSMIS, Version 3
National Aeronautics and Space Administration —
NSIDC provides this data set to aid investigations of variability and trends in sea ice cover. Ice cover in these data are indicated by sea ice concentration: the... -
Federal
Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I-SSMIS Passive Microwave Data V002
National Aeronautics and Space Administration —
This data set is generated from brightness temperature data and is designed to provide a consistent time series of sea ice concentrations spanning the coverage of... -
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/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
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
U.S. National Ice Center Arctic Sea Ice Charts and Climatologies in Gridded Format, 1972 - 2007, Version 1
National Aeronautics and Space Administration —
Notice: Due to funding limitations, this data set was recently changed to a “Basic” Level of Service. Learn more about what this means for users and how you can share... -
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
Arctic Marine Transportation Program 1979-1986, Version 1
National Aeronautics and Space Administration —
The purpose of this program was to collect data relevant to developing year-round transportation capabilities in the Arctic Ocean. The US Maritime Administration...