Nimbus-5 ESMR Polar Gridded Sea Ice Concentrations

Data Contributors COMISO, JOSEPHINO 'JOEY' C. ZWALLY, H. JAY PARKINSON, CLAIRE L. Parameters SEA ICE CONCENTRATION Instruments ESMR : ELECTRONIC SCANNING MICROWAVE RADIOMETER RADIOMETERS

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Daily and monthly averaged sea ice concentrations from the Nimbus-5 Electrically Scanning Microwave Radiometer (ESMR) are available for the Arctic and Antarctic from 12 December 1972 through 31 December 1976 at 25 km gridded resolution. Raw data were reprocessed to include ocean masks that reduce weather effects and coastal contamination, and to include a 15% ice threshold. Reprocessed data are in Hierarchical Data Format (HDF) and are available via FTP.

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Data Citation

Parkinson, C.L., J.C. Comiso, and H.J. Zwally. 1999, updated 2004. Nimbus-5 ESMR polar gridded sea ice concentrations. Edited by W. Meier and J. Stroeve. Boulder, CO: National Snow and Ice Data Center. Digital media.

See Also

• Sea Ice Products at NSIDC
• Contact User Services