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Thermal State of Permafrost in the Russian Subarctic Peatlands: A Case Study of Numto Nature Park

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  • Dmitrii V. Moskovchenko
  • Anatoly A. Gubarkov
  • Artur V. Fakhretdinov

Abstract

Frozen peatlands are widespread in many boreal and tundra regions of Western Siberia. However, recent trends of temperature regimes and vegetation dynamics in these ecosystems remain to be elucidated. To clarify these trends, we studied the Numto area of West Siberia in a zones of sporadic and isolated permafrost. Specifically, the present study combines measured ground temperatures in boreholes 10 m deep with remotely sensed land surface temperatures (LSTs) and air temperatures from the nearest meteorological station to assess the thermal regime of permafrost in Numto Nature Park. Over the past 50 years, surface air temperature has increased by an average of 0.052°C/year. LST has increased by 0.039°C/year on average from 2000 to 2021. The ground temperature at the depth of annual zero amplitudes is close to 0°С (from −0.02°С to −0.47°С). If the current trend of increasing air temperatures persists, large‐scale thawing of permafrost in the study area is predicted by the 2080s–2090s.

Suggested Citation

  • Dmitrii V. Moskovchenko & Anatoly A. Gubarkov & Artur V. Fakhretdinov, 2025. "Thermal State of Permafrost in the Russian Subarctic Peatlands: A Case Study of Numto Nature Park," Permafrost and Periglacial Processes, John Wiley & Sons, vol. 36(4), pages 601-612, October.
    • Handle: RePEc:wly:perpro:v:36:y:2025:i:4:p:601-612
    DOI: 10.1002/ppp.2289
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