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Thermal states, responsiveness and degradation of marginal permafrost in Mongolia

Author

Listed:
  • Mamoru Ishikawa
  • Yamkhin Jamvaljav
  • Avirmed Dashtseren
  • Natsagdorj Sharkhuu
  • Gamboo Davaa
  • Yoshihiro Iijima
  • Nachin Baatarbileg
  • Kenji Yoshikawa

Abstract

Ground thermal conditions in marginal permafrost in Mongolia were assessed using ground temperatures measured year‐round at 69 borehole sites. Permafrost is continuous in northern Mongolia and exists as sporadic/isolated patches in the south. Ground temperatures are strongly controlled by local environmental factors, such as topographic depressions that concentrate cold air during winter, ice‐rich strata that prevent penetration of sensible heat, and tree cover that reduces incident solar radiation. Permafrost temperatures are typically between −1 and 0°C; colder permafrost (

Suggested Citation

  • Mamoru Ishikawa & Yamkhin Jamvaljav & Avirmed Dashtseren & Natsagdorj Sharkhuu & Gamboo Davaa & Yoshihiro Iijima & Nachin Baatarbileg & Kenji Yoshikawa, 2018. "Thermal states, responsiveness and degradation of marginal permafrost in Mongolia," Permafrost and Periglacial Processes, John Wiley & Sons, vol. 29(4), pages 271-282, October.
    • Handle: RePEc:wly:perpro:v:29:y:2018:i:4:p:271-282
    DOI: 10.1002/ppp.1990
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    Cited by:

    1. Guangyue Liu & Changwei Xie & Lin Zhao & Yao Xiao & Tonghua Wu & Wu Wang & Wenhui Liu, 2021. "Permafrost warming near the northern limit of permafrost on the Qinghai–Tibetan Plateau during the period from 2005 to 2017: A case study in the Xidatan area," Permafrost and Periglacial Processes, John Wiley & Sons, vol. 32(3), pages 323-334, July.

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