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Available on 2 platforms
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Since 1979, this dataset provides daily (or every-other-day prior to August 1987) binary estimates of wet snow extent on the Greenland ice sheet, derived from passive microwave satellite data using the Cross-Polarized Gradient Ratio method. It serves as a proxy for melt activity, based on brightness temperature changes from SMMR and SSM/I instruments. Data are provided on a 25 km resolution polar stereographic grid in multiple formats, including raw ASCII, binary, and GeoTIFF.
License is listed as 'other-license-specified' on one platform but 'None' on others; users should verify terms. Data prior to August 1987 is available only every other day.