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Title: Probable two-layered permafrost formation, as a result of climatic evolution in mountainous environment of Storglaciären forefield, Tarfala, Northern Scandinavia
Authors: Dobiński, Wojciech
Glazer, Michał
Keywords: Scandinavia; permafrost evolution; two-layered permafrost; ERT
Issue Date: 2018
Citation: Polish Polar Research, vol. 39, iss. 2 (2018), s. 177–209
Abstract: The analysis of climate changes in of the Tarfala valley and Kebnekaise Mts area, and changes within the range of the Scandinavian Glaciation shows that even in the warmest period of Holocene there were favourable environmental conditions for permafrost of the Pleistocene origin to be preserved in this area. The results of electrical resistivity surveys together with analysis of available publications indicate that two layers of permafrost can be distinguished in the Storglaciären forefield. The shallower, discountinuous, with thickness ca. 2–6 meters is connected to the current climate, The second, deeper located layer of permafrost, separated with talik, is older. Its thickness can reach dozens of metres and is probably the result of permafrost formation during Pleistocene. The occurrence of two-layered permafrost in the Tarfala valley in Kebnekaise area shows the evolution of mountain permafrost may be seen as analogous to that in Western Siberia. This means that the effect of climate changes gives a similar effect in permafrost formation and evolution in both altitudinal and latitudinal extent. The occurrence of two-layered permafrost in Scandes and Western Siberia plain indicates possible analogy in climatic evolution, and gives opportunity to understand them in uniform way.
DOI: 10.24425/118745
ISSN: 0138-0338
Appears in Collections:Artykuły (WNP)

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