Data Summaries: Passive Microwave Sea Ice Products
NSIDC archives and distributes a variety of passive microwave sea ice products. The products are grouped in the following categories:
- Passive Microwave Sea Ice Concentrations
- Other Passive Microwave Sea Ice Products
- Passive Microwave Sea Ice Trends
For sea ice products derived from visible and infrared sensors, or for sea ice field observations and operational charts, refer to:
- Data Summaries: Visible and Infrared Sea Ice Products
- Data Summaries: Field Observations and Operational Charts
Polar Stereographic Sea Ice Concentrations
NOAA/NSIDC Climate Data Record of Passive Microwave Sea Ice Concentration
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Spatial Coverage: | Northern: | N: 89.84° | S: 31.1° | E: 180° | W: -180° |
| Southern: | N: -39.36° | S: -89.84° | E: 180° | W: -180° | ||
| Temporal Coverage: | 26 October 1978 – 31 December 2007 | |||||
| Parameters: | Sea Ice Concentration | |||||
Platform(s): |
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Sensor(s): |
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Data Resolution: |
Spatial: 25 km |
Data Format: |
NetCDF4 CF-1.5 |
More Information: |
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Data Access: |
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Data Set Creator(s): |
W. Meier |
Defense Meteorological Satellite ProgramBootstrap Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I
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Spatial Coverage: | Northern: | N: 90° | S: 30° | E: 180° | W: -180° |
| Southern: | N: -39° | S: -90° | E: 180° | W: -180° | ||
| Temporal Coverage: | 26 October 1978 – Approximately Previous Year | |||||
| Parameters: | Sea Ice Concentration | |||||
Platform(s): |
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Sensor(s): |
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Data Resolution: |
Spatial: 25 km |
Data Format: |
Flat binary (2-byte integer) |
More Information: |
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Data Access: |
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Data Set Creator(s): |
J. Comiso |
Sea Ice Concentrations from Nimbus-7 SMMR and DMSP SSM/I-SSMIS Passive Microwave Data
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Spatial Coverage: | Northern: | N: 90° | S: 30.98° | E: 180° | W: -180° |
| Southern: | N: -39.23° | S: -90° | E: 180° | W: -180° | ||
| Temporal Coverage: | 26 October 1978 – Approximately Previous Year | |||||
| Parameters: | Sea Ice Concentration | |||||
Platform(s): |
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Sensor(s): |
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Data Resolution: |
Spatial: 25 km |
Data Format: |
Binary (scaled, unsigned 1-byte integer) |
More Information: |
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Data Access: |
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Data Set Creator(s): |
W. Meier, D. Cavalieri |
AMSR-E/Aqua Daily L3 12.5 km Brightness Temperature, Sea Ice Concentration, & Snow Depth Polar Grids
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Spatial Coverage: | Northern: | N: 90° | S: 30.98° | E: 180° | W: -180° |
| Southern: | N: -39.23° | S: -90° | E: 180° | W: -180° | ||
| Temporal Coverage: | 19 June 2002 – 03 October 2011 | |||||
| Parameters: | Brightness Temperature, Sea Ice Concentration, Snow Depth | |||||
Platform(s): |
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Sensor(s): |
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Data Resolution: |
Spatial: 12.5 km |
Data Format: |
HDF-EOS |
More Information: |
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Data Access: |
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Data Set Creator(s): |
D. Cavalieri, T. Markus, J. Comiso |
AMSR-E/Aqua Daily L3 25 km Brightness Temperature & Sea Ice Concentration Polar Grids
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Spatial Coverage: | Northern: | N: 90° | S: 30.98° | E: 180° | W: -180° |
| Southern: | N: -39.23° | S: -90° | E: 180° | W: -180° | ||
| Temporal Coverage: | 19 June 2002 – 03 October 2011 | |||||
| Parameters: | Brightness Temperature, Sea Ice Concentration | |||||
Platform(s): |
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Sensor(s): |
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Data Resolution: |
Spatial: 25 km |
Data Format: |
HDF-EOS |
More Information: |
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Data Access: |
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Data Set Creator(s): |
D. Cavalieri, T. Markus, J. Comiso |
Near-Real-Time DMSP SSM/I-SSMIS Daily Polar Gridded Sea Ice Concentrations
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Spatial Coverage: | Northern: | N: 90° | S: 30.98° | E: 180° | W: -180° |
| Southern: | N: -39.23° | S: -90° | E: 180° | W: -180° | ||
| Temporal Coverage: | Approximately Previous Day | |||||
| Parameters: | Sea Ice Concentration | |||||
Platform(s): |
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Sensor(s): |
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Data Resolution: |
Spatial: 25 km |
Data Format: |
Flat binary (scaled 1-byte integer) |
More Information: |
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Data Access: |
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Data Set Creator(s): |
J. Maslanik, J. Stroeve |
Nimbus-5 ESMR Polar Gridded Sea Ice Concentrations
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Spatial Coverage: | Northern: | N: 90° | S: 30.98° | E: 180° | W: -180° |
| Southern: | N: -39.23° | S: -90° | E: 180° | W: -180° | ||
| Temporal Coverage: | 12 December 1972 – 31 December 1976 | |||||
| Parameters: | Sea Ice Concentration | |||||
Platform(s): |
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Sensor(s): |
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Data Resolution: |
Spatial: 25 km |
Data Format: |
HDF |
More Information: |
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Data Access: |
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Data Set Creator(s): |
C. Parkinson, J. Comiso, J. Zwally |
Sea Ice Index
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Spatial Coverage: | Northern: | N: 90° | S: 30.98° | E: 180° | W: -180° |
| Southern: | N: -39.23° | S: -90° | E: 180° | W: -180° | ||
| Temporal Coverage: | 01 November 1978 – present | |||||
| Parameters: | Sea Ice Concentration | |||||
Platform(s): |
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Sensor(s): |
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Data Resolution: |
Spatial: 25 km |
Data Format: |
ASCII text, PNG, KML, KMZ, Geospatial Vector Data |
More Information: |
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Data Access: |
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Data Set Creator(s): |
F. Fetterer, K. Knowles, W. Meier, M. Savoie |
Multisensor Analyzed Sea Ice Extent - Northern Hemisphere (MASIE-NH)
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Spatial Coverage: | Northern: | N: 90° | S: 0° | E: 180° | W: -180° |
| Temporal Coverage: | Previous Month | |||||
| Parameters: | Sea Ice Extent | |||||
Platform(s): |
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Sensor(s): |
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Data Resolution: |
Spatial: 4 km |
Data Format: |
ASCII text, PNG, KML, ESRI Shapefiles, NetCDF, Microsoft Excel |
More Information: |
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Data Access: |
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Data Set Creator(s): |
F. Fetterer, M. Savoie, S. Helfrich, P. Clemente-Colón |
Nimbus-7 SMMR Polar Gridded Radiances and Sea Ice Concentrations
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Spatial Coverage: | Northern: | N: 90° | S: 30° | E: 180° | W: -180° |
| Southern: | N: -39° | S: -90° | E: 180° | W: -180° | ||
| Temporal Coverage: | 25 October 1978 – 20 August 1987 | |||||
| Parameters: | Brightness Temperatures, Sea Ice Concentration | |||||
Platform(s): |
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Sensor(s): |
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Data Resolution: |
Spatial: 25 km |
Data Format: |
Flat binary (1- and 2-byte integers) |
More Information: |
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Data Access: |
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Data Set Creator(s): |
P. Gloerson, D. Cavalieri, W. J. Campbell, J. Zwally |
EASE-Grid Sea Ice Concentrations [top]
Near-Real-Time SSM/I EASE-Grid Daily Global Ice Concentration and Snow Extent (NISE)
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Spatial Coverage: | Global: | N: 90° | S: -90° | E: 180° | W: -180° |
| Temporal Coverage: | Approximately Previous Two Weeks | |||||
| Parameters: | Sea Ice Concentration, Snow Extent | |||||
Platform(s): |
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Sensor(s): |
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Data Resolution: |
Spatial: 25 km |
Data Format: |
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More Information: |
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Data Access: |
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Data Set Creator(s): |
A. Nolin, R. L. Armstrong, J. Maslanik |
Other Passive Microwave Sea Ice Products [top]
Polar Pathfinder Daily 25 km EASE-Grid Sea Ice Motion Vectors
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Spatial Coverage: | Northern: | N: 90° | S: 48.7278° | E: 180° | W: -180° |
| Southern: | N: -53.2028° | S: -90° | E: 180° | W: -180° | ||
| Temporal Coverage: | 25 October 1978 – 31 December 2006 | |||||
| Parameters: | Sea Ice Motion | |||||
Platform(s): |
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Sensor(s): |
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Data Resolution: |
Spatial: 25 km |
Data Format: |
ASCII, Binary (2-byte integers), PNG, EPS |
More Information: |
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Data Access: |
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Data Set Creator(s): |
C. Fowler, M. Tschudi |
Snow Melt Onset Over Arctic Sea Ice from SMMR and SSM/I Brightness Temperatures
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Spatial Coverage: | Northern: | N: 90° | S: 30° | E: 180° | W: -180° |
| Temporal Coverage: | 01 January 1979 – 31 December 2007 | |||||
| Parameters: | Snow Melt Onset | |||||
Platform(s): |
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Sensor(s): |
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Data Resolution: |
Spatial: 25 km |
Data Format: |
ASCII text, GIF |
More Information: |
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Data Access: |
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Data Set Creator(s): |
S. Drobot, M. Anderson |
Northern Hemisphere EASE-Grid 2.0 Weekly Snow Cover and Sea Ice Extent, Version 4
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Spatial Coverage: | Northern: | N: 90° | S: 00° | E: 180° | W: -180° |
| Temporal Coverage: | 03 October 1966 – 31 December 2010 | |||||
| Parameters: | Snow Cover, Sea Ice Extent | |||||
Platform(s): |
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Sensor(s): |
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Data Resolution: |
Spatial: 25 km |
Data Format: |
Flat binary (1-byte integers) |
More Information: |
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Data Access: |
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Data Set Creator(s): |
R. L. Armstrong, M. J. Brodzik |
Meltpond2000 Polarimetric Scanning Radiometer Sea Ice Brightness Temperatures
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Spatial Coverage: | Northern: | N: 76.421° | S: 68.966° | E: -63.196° | W: -105.021° |
| Temporal Coverage: | 26 June 2000 – 06 July 2000 | |||||
| Parameters: | Brightness Temperature, Ice Temperature | |||||
Platform(s): |
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Sensor(s): |
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Data Resolution: |
Spatial: Varies from 0.13 km to 3.6 km, depending on the sensor |
Data Format: |
MATLAB files |
More Information: |
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Data Access: |
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Data Set Creator(s): |
M. Klein, A. J. Gasiewski, D. Cavalieri, T. Markus |
Passive Microwave Sea Ice Trends [top]
Sea Ice Index
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Spatial Coverage: | Northern: | N: 90° | S: 30.98° | E: 180° | W: -180° |
| Southern: | N: -39.23° | S: -90° | E: 180° | W: -180° | ||
| Temporal Coverage: | 01 November 1978 – present | |||||
| Parameters: | Sea Ice Concentration | |||||
Platform(s): |
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Sensor(s): |
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Data Resolution: |
Spatial: 25 km |
Data Format: |
ASCII text, PNG, KML, KMZ, Geospatial Vector Data |
More Information: |
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Data Access: |
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Data Set Creator(s): |
F. Fetterer, K. Knowles, W. Meier, M. Savoie |
Sea Ice Trends and Climatologies from SMMR and SSM/I-SSMIS
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Spatial Coverage: | Northern: | N: 90° | S: 30.98° | E: 180° | W: -180° |
| Southern: | N: -39.23° | S: -90° | E: 180° | W: -180° | ||
| Temporal Coverage: | 26 October 1978 – Approximately Previous Year | |||||
| Parameters: | Sea Ice Extent, Area, and Persistance; Sea Ice Concentration Climatologies; Ocean Masks; Missing Pixels | |||||
Platform(s): |
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Sensor(s): |
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Data Resolution: |
Spatial: Varies |
Data Format: |
Flat binary, PNG, ASCII text, JPEG |
More Information: |
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Data Access: |
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Data Set Creator(s): |
W. Stroeve, W. Meier |
