Modeled Daily Thaw Depth and Frozen Ground Depth, Version 1

Published by NSIDC | National Aeronautics and Space Administration | Metadata Last Checked: January 31, 2026 | Last Modified: 2026-01-27

This data set contains modeled daily thaw depth and freezing depth for the Arctic terrestrial drainage basin. Thaw and freezing depths were calculated over the study area with a resolution of 25 km x 25 km. Data extend from September 1998 through December 2000. A finite-difference model for one-dimensional heat conduction with phase change calculates daily thaw and freezing depths, based on data of snow water equivalent, soil temperature, soil dry-bulk density, and soil water content. Data are in space-delimited ASCII text format and are available via FTP.

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Complete Metadata

bureauCode	[ "026:00" ]
identifier	10.7265/whf6-t406
landingPage	https://nsidc.org/forms/GGD619_or.html?major_version=1
programCode	[ "026:000" ]
spatial	["CARTESIAN",[{"WestBoundingCoordinate":-180.0,"NorthBoundingCoordinate":90.0,"EastBoundingCoordinate":180.0,"SouthBoundingCoordinate":66.33}]]
temporal	1998-09-01/1998-09-01
theme	[ "Earth Science" ]