Journal
PERMAFROST AND PERIGLACIAL PROCESSES
Volume 19, Issue 3, Pages 261-277Publisher
WILEY
DOI: 10.1002/ppp.622
Keywords
Kamchatka; mountain permafrost; active volcanoes; ground temperatures; ground properties; active layer; statistical modelling
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Funding
- Russian Fund for Basic Research [07-05-00953]
- International Polar Year (IPY)
- NASA Astrobiology Institute
- University of Zurich, Switzerland
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Permafrost is widespread in mountainous volcanic areas of the Kamchatka Peninsula. In this paper, we describe geocryological conditions (active layer depths, permafrost temperatures, ground thermal properties and cryostratigraphy) in the Klyuchevskaya volcano group and estimate the spatial distribution of permafrost using a simple statistical model. Measured mean annual ground temperatures (MAGTs) vary from near 0 degrees C around 950 m a.s.l. to -7 degrees C at 2500 m a.s.l. and permafrost is predicted to occur at elevations >similar to 700 m a.s.l. Heat transfer modelling indicates that the maximum permafrost thickness is about 1000 m for the highest summits (similar to 5000 m a.s.l.). Copyright (C) 2003 John Wiley & Sons, Ltd.
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