Arctic Soil Freeze/Thaw Status from SMMR and SSM/I, Version 2
Data set id:
GGD641
DOI: 10.7265/c7f8-6t68
This is the most recent version of these data.

Overview

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.
Parameter(s):
FREEZE/THAWSEASONALLY FROZEN GROUND
Platform(s):
DMSP, Nimbus-7
Sensor(s):
SMMR, SSM/I
Data Format(s):
ASCII
Temporal Coverage:
1 October 1978 to 30 June 2004
Temporal Resolution:
  • 1 day
Spatial Resolution:
  • 25 km
  • 25 km
Spatial Coverage:
N:
90
S:
45
E:
180
W:
-180
Blue outlined yellow areas on the map below indicate the spatial coverage for this data set.

Data Access & Tools