Snow Melt Onset Over Arctic Sea Ice from SMMR and SSM/I Brightness TemperaturesEntry ID: NSIDC-0105
Abstract: Yearly snow melt onset dates over Arctic sea ice are derived from Scanning Multichannel Microwave Radiometer (SMMR) and Special Sensor Microwave/Imager (SSM/I) brightness temperatures. The introduction of liquid water to snow results in a sharp increase in the emissivity and hence brightness temperature of the snowpack. Snow melt onset is defined as the point in time when microwave brightness temperatures increase sharply due to the presence of liquid water in the snowpack. Data cover the years 1979 through 2007, and are in a polar stereographic grid at 25 km resolution. Tab-delimited ASCII files and GIF images are accessible via FTP. Several value-added products are also available.
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Data Set Citation
Dataset Originator/Creator: Drobot, S. and M. Anderson.
Dataset Title: Snow Melt Onset Over Arctic Sea Ice from SMMR and SSM/I Brightness Temperatures
Dataset Release Date: 2001-11-01
Dataset Release Place: Boulder, Colorado USA
Dataset Publisher: NSIDC DAAC: NASA DAAC at the National Snow and Ice Data CenterOnline Resource: http://nsidc.org/data/nsidc-0105.html
Start Date: 1979-01-01Stop Date: 2007-12-31
Temporal Resolution: 1 year
ISO Topic Category
Data Set Progress
Distribution Media: FTP
Distribution Size: 16 - 27 KB
Distribution Format: GIF
Distribution Media: FTP
Distribution Size: 133 - 680 KB
Distribution Format: Binary
Role: TECHNICAL CONTACT
Phone: +1 (303) 492-6199
Fax: +1 (303) 492-2468
Email: nsidc at nsidc.org
National Snow and Ice Data Center CIRES, 449 UCB University of Colorado
Province or State: CO
Postal Code: 80309-0449
Colorado Center for Astrodynamics Research Department of Aerospace Engineering 431 UCB University of Colorado
Province or State: CO
Postal Code: 80309-0431
Meteorology/Climatology Program Dept. of Geosciences University of Nebraska
Province or State: NE
Postal Code: 68588-0340
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Creation and Review Dates
DIF Creation Date: 2001-11-01
Last DIF Revision Date: 2013-11-25