Arctic Soil Freeze/Thaw Status from SMMR and SSM/I
Entry ID: GGD641

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Summary
Abstract: This data set contains near-surface (< 5 cm) soil freeze/thaw status on snow-free and snow-covered land surfaces over the Arctic terrestrial drainage basin. The near-surface soil freeze/thaw status is determined by using passive-microwave remote sensing data over snow-free land and a numerical model over snow-covered land. Data are projected to a 25 km x 25 km Northern Hemisphere EASE-Grid. Version 2 of this data set greatly extends the temporal coverage and makes use of data from SMMR as well as SSM/I. Data are from October 1978 to June 2004. Data are in ASCII text format and are available via FTP.
Related URL
Description: All About EASE-Grid
Geographic Coverage
Spatial coordinates   
  N: 90.0   S: 45.0   E: 180.0   W: -180.0

Data Set Citation
Dataset Originator/Creator: Zhang, T. and R. Armstrong
Dataset Title: Arctic Soil Freeze/Thaw Status from SMMR and SSM/I
Dataset Release Date: 2003-05-27
Dataset Release Place: Boulder, Colorado USA
Dataset Publisher: NSIDC: National Snow and Ice Data Center
Version: 2
Online Resource: http://nsidc.org/data/ggd641.html
Temporal Coverage
Start Date: 1978-10-01
Stop Date: 2004-06-30
Data Resolution
Latitude Resolution: 25 km
Longitude Resolution: 25 km
Temporal Resolution: 1 day
Ancillary Keywords
Data Set Progress
COMPLETE
Data Center
National Snow and Ice Data Center Supplemental Info
Data Center URL: http://nsidc.org

Data Center Personnel
Name: NSIDC USER SERVICES
Phone: +1 (303) 492-6199
Fax: +1 (303) 492-2468
Email: nsidc at nsidc.org
Contact Address:
National Snow and Ice Data Center
CIRES, 449 UCB
University of Colorado
City: Boulder
Province or State: CO
Postal Code: 80309-0449
Country: USA
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Distribution
Distribution Media: FTP
Distribution Size: 148.3 MB
Distribution Format: ASCII Text
Personnel
Role: INVESTIGATOR
Phone: 303-492-6199
Fax: 303-492-2359
Email: nsidc at nsidc.org
Contact Address:
National Snow and Ice Data Center
University of Colorado
CIRES, 449 UCB
City: Boulder
Province or State: Colorado
Postal Code: 80309-0449
Country: USA
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Publications/References
Armstrong, R.L., and M.J. Brodzik. 2002. Northern Hemisphere EASE-Grid weekly snow cover and sea ice extent, Version 2. Boulder, CO: National Snow and Ice Data Center. CD-ROM.

Brodzik, M.J. 1997. EASE-Grid: A versatile set of equal-area projections and grids. Boulder, CO, USA: National Snow and Ice Data Center.

Brown, J., O.J. Ferrians, Jr., J.A. Heginbottom, and E.S. Melnikov. 1998. Digital ... View entire text
Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2003-05-27
Last DIF Revision Date: 2013-08-02
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