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Sensitivity and responses to climate change in the Subantarctic periglacial environment
Uppsala University, Disciplinary Domain of Science and Technology, Earth Sciences, Department of Earth Sciences.
2003 (English)In: Permafrost, proceedings of the 8th International Permafrost Conference, 67-71 p.Article in journal (Refereed) Published
Abstract [en]

The Subantarctic islands constitute a distinct periglacial environment of low mean annual and diurnal temperature range. Ground thermal monitoring on Marion Island demonstrates how the low radiation inputs and high moisture conditions result in near-isothermal soil temperature conditions. This paper describes and analyses this distinctive soil temperature regime and demonstrates a high sensitivity of the Subantarctic frost environment to climate change. The latter is expressed by a rapid transition from high-frequency shallow diurnal frost activity to deep seasonal freezing and permafrost. The results from this analysis are applied to the palaeoenvironmental interpretation of relict, early Holocene periglacial landforms representing colder climates, as well as to current landscape responses due to climate warming on Marion Island.

Place, publisher, year, edition, pages
Lisse, Balkema , 2003. 67-71 p.
National Category
Earth and Related Environmental Sciences
URN: urn:nbn:se:uu:diva-46312OAI: oai:DiVA.org:uu-46312DiVA: diva2:74219
Available from: 2008-10-17 Created: 2008-10-17 Last updated: 2011-12-13Bibliographically approved

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Boelhouwers, Jan
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