Description:

This data set, part of the NASA Making Earth System Data Records for Use in Research Environments (MEaSUREs) program, consists of two global records of the daily freeze/thaw (F/T) status of the landscape. The primary record is derived from radiometric brightness temperatures acquired between 1979 and 2017 by three satellite-based passive microwave sensors: the Scanning Multichannel Microwave Radiometer (SMMR), the Special Sensor Microwave/Imager (SSM/I), and the Special Sensor Microwave Imager/Sounder (SSMIS). A second, synergistic record is available for the years 2002 to 2017, derived from observations acquired by the Advanced Microwave Scanning Radiometer - Earth Observing System (AMSR-E) and the Advanced Microwave Scanning Radiometer 2 (AMSR2).

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Temporal Extent:

Start: 1979-01-01T00:00:00.000Z

End: 2017-12-31T23:59:59.000Z

Spatial Extent:

Minimum Bounding Rectangle: -86.7167 -179.9999 86.7167 179.9999

NSIDC_ECS Short Name: NSIDC-0477 Version ID: 4 Unique ID: C1443538967-NSIDC_ECS

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