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High carbon emissions from thermokarst lakes of Western Siberia

Author

Listed:
  • S. Serikova

    (Umeå University)

  • O. S. Pokrovsky

    (University of Toulouse)

  • H. Laudon

    (The Swedish University of Agricultural Sciences)

  • I. V. Krickov

    (Tomsk State University)

  • A. G. Lim

    (Tomsk State University)

  • R. M. Manasypov

    (Tomsk State University
    Russian Academy of Sciences)

  • J. Karlsson

    (Umeå University)

Abstract

The Western Siberia Lowland (WSL), the world’s largest permafrost peatland, is of importance for understanding the high-latitude carbon (C) cycle and its response to climate change. Warming temperatures increase permafrost thaw and production of greenhouse gases. Also, permafrost thaw leads to the formation of lakes which are hotspots for atmospheric C emissions. Although lakes occupy ~6% of WSL, lake C emissions from WSL remain poorly quantified. Here we show high C emissions from lakes across all permafrost zones of WSL. The C emissions were especially high in shoulder seasons and in colder permafrost-rich regions. The total C emission from permafrost-affected lakes of WSL equals ~12 ± 2.6 Tg C yr−1 and is 2-times greater than region’s C export to the Arctic coast. The results show that C emission from WSL lakes is a significant component in the high-latitude C cycle, but also suggest that C emission may decrease with warming.

Suggested Citation

  • S. Serikova & O. S. Pokrovsky & H. Laudon & I. V. Krickov & A. G. Lim & R. M. Manasypov & J. Karlsson, 2019. "High carbon emissions from thermokarst lakes of Western Siberia," Nature Communications, Nature, vol. 10(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:10:y:2019:i:1:d:10.1038_s41467-019-09592-1
    DOI: 10.1038/s41467-019-09592-1
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    Cited by:

    1. Jie Hu & Luyao Kang & Ziliang Li & Xuehui Feng & Caifan Liang & Zan Wu & Wei Zhou & Xuning Liu & Yuanhe Yang & Leiyi Chen, 2023. "Photo-produced aromatic compounds stimulate microbial degradation of dissolved organic carbon in thermokarst lakes," Nature Communications, Nature, vol. 14(1), pages 1-11, December.
    2. Guibiao Yang & Zhihu Zheng & Benjamin W. Abbott & David Olefeldt & Christian Knoblauch & Yutong Song & Luyao Kang & Shuqi Qin & Yunfeng Peng & Yuanhe Yang, 2023. "Characteristics of methane emissions from alpine thermokarst lakes on the Tibetan Plateau," Nature Communications, Nature, vol. 14(1), pages 1-11, December.

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