Model Output From the 'Frost Index' Permafrost Model: Variations in Circumpolar Frozen Ground Conditions and Modeled Future Conditions

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Data Contributors NELSON, FREDERICK E. (FRITZ) ANISIMOV, OLEG SHIKLOMANOV, NIKOLAY I. Parameters FROZEN GROUND > ACTIVE LAYER FROZEN GROUND > PERMAFROST FROZEN GROUND > SOIL TEMPERATURE SNOW/ICE > FROST SNOW/ICE > PERMAFROST SOILS > PERMAFROST SOILS > SOIL TEMPERATURE Instruments VISUAL OBSERVATIONS

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This data set contains permafrost distribution maps, active-layer thickness maps, and hazard-potential maps constructed using results from the 'frost index' permafrost model (Nelson and Outcalt, 1987) driven by modern climatic data and scenarios of climate change derived from three transient general circulation models (Greco et al., 1994). The permafrost maps show the distribution of permafrost in the Northern Hemisphere under modern climatic conditions and General Circulation Model (GCM) projections for 2050; the active-layer thickness maps show relative changes in the depth of seasonal thawing projected for 2050; and the hazard-potential maps are used as indices to evaluate potential environmental hazards associated with thaw settlement and thermokarst.

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Data Citation

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Frederick E. Nelson, Oleg A. Anisimov, and Nikolay I. Shiklomanov. 2001. Model Output From the 'Frost Index' Permafrost Model: Variations in Circumpolar Frozen Ground Conditions and Modeled Future Conditions. [indicate subset used]. Boulder, Colorado USA: National Snow and Ice Data Center.

See Also

• access to data and documentation
• Model Output from the Marine Biology Laboratory General Ecosystem Model (MBL-GEM) for Toolik Lake, 1921-2144, and the Kuparuk River Basin, 1995
• Model Output from MBL-GEM III for a Typical Tussock-Tundra Hill Slope, 1921-2100
• Model Output from MBL-GEM III for Typical Tussock Tundra in the Kuparuk River Basin, Alaska, 1921-2100
• GIS Data and Resources at NSIDC
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