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Arctic Soil Freeze/Thaw Status from SMMR and SSM/I, Version 2
Entry ID: GGD641_2

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.

Purpose: Scientific Research
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Description: Direct download, with optional registration page.
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Geographic Coverage
Spatial coordinates   
  N: 90.0   S: 45.0   E: 180.0   W: -180.0

Data Set Citation
Dataset Title: Arctic Soil Freeze/Thaw Status from SMMR and SSM/I, Version 2
Dataset Publisher: National Snow and Ice Data Center
Version: 2
Temporal Coverage
Start Date: 1978-10-01
Stop Date: 2004-06-30
Data Set Progress
Data Center
National Snow and Ice Data Center Supplemental Info
Data Center URL:

Data Center Personnel
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City: Boulder
Province or State: Colorado
Country: USA
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Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2003-05-27
Last DIF Revision Date: 2019-04-16