ArcticRIMS: Daily Thaw Depth and Frozen Ground Depth, Based on ERA-40 2-meter
Daily thaw depth and frozen ground depth are calculated using a frozen ground model. Oelke et al.  provide details, while also referring to [Oelke et al., 2003]. Thaw depth and frozen ground are calculated using different initial model settings. In the first case, all soil down to the lower model boundary is set to sub-freezing initial temperatures. Thawing during the summer months caused the development of a thawed layer at the top with the thaw depth again decreasing during freeze-up of the thawed layer in fall. Frozen ground depth on the other hand is calculated with soil temperatures at all depths above-freezing at the beginning. Here the frozen depth increased during winter, and spring thawing eventually decreases its value.
The data is presented in 24 sub-datasets of different spatial and temporal aggregations.
- download: NSF Arctic Data Center
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Map data from IBCSO, IBCAO, and Global Topography.
Maximum (North) Latitude:
Minimum (South) Latitude:
Minimum (West) Longitude: -180.00, Maximum (East) Longitude: 180.00
Additional contact information
- author: Charles J. Vorosmarty <firstname.lastname@example.org>
- author: Richard B. Lammers <email@example.com>
- author: Mark C. Serreze <firstname.lastname@example.org>
- author: Andrew Etringer <email@example.com>
- originator: Richard B. Lammers <firstname.lastname@example.org>
CitationExample citation following ESIP guidelines:
Vorosmarty, C., et al. 2009. ArcticRIMS: Daily Thaw Depth and Frozen Ground Depth, Based on ERA-40 2-meter. Version 1.0. UCAR/NCAR - Earth Observing Laboratory. https://doi.org/10.5065/D6ST7MZ0. Accessed 26 Sep 2023.
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