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Service Interruption

The NSIDC Web site and data services are currently having intermittent problems and may be unavailable. We are working to restore these services as soon as possible and apologize for any inconvenience this may cause. Please contact NSIDC User Services for assistance.

CAPS 2 Addendum

Although our intent was to update CAPS every five years, no updates have been made since CAPS 2 in 2003, and no new updates are planned. While we have made every attempt to correct errors and problems in CAPS 2, we are aware that some errors may exist. The following are updates and corrections to CAPS 2:

25 January 2007

13 December 2005

  • Arctic Soil Freeze/Thaw Status from SMMR and SSM/I, Version 2 is available. 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. Data are on the 25 km resolution Equal-Area Scalable Earth Grid (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.

8 June 2005

19 May 2005

11 April 2005

18 June 2004

10 October 2003

22 August 2003