-
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
Navigable Waterway Network Nodes NGDA
Department of Transportation —
The Navigable Waterway Network Nodes dataset is periodically updated by the United States Army Corp of Engineers (USACE) and is part of the U.S. Department of... -
Federal
Arctic Ice Dynamics Joint Experiment (AIDJEX) Second Pilot Study, March - May 1972: A Documentary Film, Version 1
National Aeronautics and Space Administration —
The project described in this documentary was a pilot study conducted in 1972 in preparation for the AIDJEX main experiment of 1975 to 1976. The study included a main... -
Federal
GLAS/ICESat L2 Sea Ice Altimetry Data (HDF5) V034
National Aeronautics and Space Administration —
GLAH06 is used in conjunction with GLAH05 to create the Level-2 altimetry products. Level-2 altimetry data provide surface elevations for ice sheets (GLAH12), sea ice... -
Federal
Northern Hemisphere EASE-Grid 2.0 Weekly Snow Cover and Sea Ice Extent, Version 4
National Aeronautics and Space Administration —
The main parameters for this data set are snow cover and sea ice extent; both parameters are derived from SMMR and DMSP-F8, -F11, -F13, and -F17 SSM/I and SSMIS... -
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
Snow Melt Onset Over Arctic Sea Ice from SMMR and SSM/I-SSMIS Brightness Temperatures, Version 5
National Aeronautics and Space Administration —
This data set includes yearly snow melt onset dates over Arctic sea ice derived from Scanning Multichannel Microwave Radiometer (SMMR), Special Sensor... -
Federal
MEaSUREs Arctic Sea Ice Characterization Daily 25km EASE-Grid 2.0 V001
National Aeronautics and Space Administration —
This data set, part of the NASA Making Earth System Data Records for Use in Research Environments (MEaSUREs) program, provides a daily record of Arctic sea ice... -
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
IceBridge Sander AIRGrav L1B Geolocated Free Air Gravity Anomalies V002
National Aeronautics and Space Administration —
This data set contains gravity measurements, including acceleration data in three orthogonal directions, from the Sander Geophysics AIRGrav airborne gravity system.... -
Federal
Alkalinity, temperature, salinity and other variables collected from discrete sample and profile observations using CTD, Coulometer for DIC measurement and other instruments from MIRAI in the Arctic Ocean and Beaufort Sea from 2004-09-01 to 2004-10-13 (NCEI Accession 0112357)
National Oceanic and Atmospheric Administration, Department of Commerce —
This dataset includes biological, chemical, discrete sample, physical and profile data collected from MIRAI in the Arctic Ocean and Beaufort Sea from 2004-09-01 to... -
Federal
IceBridge Riegl Laser Altimeter L2 Geolocated Surface Elevation Triplets V001
National Aeronautics and Space Administration —
This data set contains surface range values for Antarctica and Greenland derived from measurements captured by the Riegl Laser Altimeter. The data were collected by... -
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
SCICEX: Submarine Arctic Science Program, Version 1
National Aeronautics and Space Administration —
The Submarine Arctic Science Program, SCICEX, is a federal interagency collaboration among the operational Navy, research agencies, and the marine research community... -
Federal
Arctic Sea Ice Freeboard and Thickness, Version 1
National Aeronautics and Space Administration —
This data set provides measurements of sea ice freeboard and sea ice thickness for the Arctic region. The data were derived from measurements made by from the Ice,... -
Federal
Bootstrap Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I-SSMIS V004
National Aeronautics and Space Administration —
This sea ice concentration data set was derived using measurements from the Scanning Multichannel Microwave Radiometer (SMMR) on the Nimbus-7 satellite and from the... -
Federal
Temperature, salinity, and other data from CTD and XCTD casts in the Arctic Ocean from 26 March 1995 to 08 May 1995 (NCEI Accession 0000474)
National Oceanic and Atmospheric Administration, Department of Commerce —
CTD, XCTD, and other data were collected in the Arctic Ocean from 26 March 1995 to 08 May 1995. Surface data were collected by CTD. XCTD data were corrected for... -
Federal
IceBridge ATM L2 Icessn Elevation, Slope, and Roughness V002
National Aeronautics and Space Administration —
This data set contains resampled and smoothed elevation measurements of Arctic and Antarctic sea ice, and Greenland, Antarctic Peninsula, and West Antarctic region... -
Federal
Biologically Important Areas for Cetaceans within U.S. Waters 2015-03-01 - Present
National Oceanic and Atmospheric Administration, Department of Commerce —
The Cetacean Density and Distribution Mapping Working Group identified Biologically Important Areas (BIAs) for 24 cetacean species, stocks, or populations in seven... -
Federal
Submarine Upward Looking Sonar Ice Draft Profile Data and Statistics, Version 1
National Aeronautics and Space Administration —
This data set consists of upward looking sonar sea ice draft data collected by submarines in the Arctic Ocean. It includes data from both U.S. Navy and Royal Navy...