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A model study of circum‐Arctic soil temperatures

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  • Christoph Oelke
  • Tingjun Zhang

Abstract

A one‐dimensional heat transfer model with phase change is applied to the entire Arctic terrestrial drainage area. The main forcing parameters are reanalysed surface air temperature that was topography‐enhanced, and snow depth, derived from passive microwave satellite data. We present results based on daily fields of soil temperature, ranging from the soil surface down to 14 m depth. The horizontal grid cell resolution is 25 km × 25 km. Model results are compared to several long series of soil temperature measurements from Alaska and Siberia, with a relatively good match of the the annual cycle at different depths. We show time series of soil temperature at different depths for the 22‐year period 1980 through 2001, and both seasonal and regional analyses are included. A trend analysis reveals positive trends for all permafrost regions in response to positive trends in air temperature, with the strongest warming trend in regions of continuous permafrost. A slight cooling trend is only found for the topmost soil layers in regions of seasonally frozen ground at the southern margins of the Arctic drainage domain. Copyright © 2004 John Wiley & Sons, Ltd.

Suggested Citation

  • Christoph Oelke & Tingjun Zhang, 2004. "A model study of circum‐Arctic soil temperatures," Permafrost and Periglacial Processes, John Wiley & Sons, vol. 15(2), pages 103-121, April.
    • Handle: RePEc:wly:perpro:v:15:y:2004:i:2:p:103-121
    DOI: 10.1002/ppp.485
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    Cited by:

    1. Miao Yu & Nadezhda Pavlova & Changlei Dai & Xianfeng Guo & Xiaohong Zhang & Shuai Gao & Yiru Wei, 2023. "Simulation and Analysis of the Dynamic Characteristics of Groundwater in Taliks in the Eruu Area, Central Yakutia," Sustainability, MDPI, vol. 15(12), pages 1-17, June.
    2. Jörg Schnecker & Birgit Wild & Florian Hofhansl & Ricardo J Eloy Alves & Jiří Bárta & Petr Čapek & Lucia Fuchslueger & Norman Gentsch & Antje Gittel & Georg Guggenberger & Angelika Hofer & Sandra Kien, 2014. "Effects of Soil Organic Matter Properties and Microbial Community Composition on Enzyme Activities in Cryoturbated Arctic Soils," PLOS ONE, Public Library of Science, vol. 9(4), pages 1-10, April.
    3. Andrew C. W. Leung & William A. Gough & Tanzina Mohsin, 2022. "Analysing Historical and Modelling Future Soil Temperature at Kuujjuaq, Quebec (Canada): Implications on Aviation Infrastructure," Forecasting, MDPI, vol. 4(1), pages 1-31, January.

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