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Emerging negative impact of warming on summer carbon uptake in northern ecosystems

Author

Listed:
  • Tao Wang

    (Chinese Academy of Sciences
    Chinese Academy of Sciences)

  • Dan Liu

    (Chinese Academy of Sciences)

  • Shilong Piao

    (Chinese Academy of Sciences
    Chinese Academy of Sciences
    Peking University)

  • Yilong Wang

    (Laboratoire des Sciences du Climat et de l’Environnement, LSCE)

  • Xiaoyi Wang

    (Chinese Academy of Sciences)

  • Hui Guo

    (Chinese Academy of Sciences)

  • Xu Lian

    (Peking University)

  • John F Burkhart

    (University of Oslo)

  • Philippe Ciais

    (Laboratoire des Sciences du Climat et de l’Environnement, LSCE)

  • Mengtian Huang

    (Peking University)

  • Ivan Janssens

    (University of Antwerp)

  • Yue Li

    (Peking University)

  • Yongwen Liu

    (Peking University)

  • Josep Peñuelas

    (CREAF, Cerdanyola del Valles
    CSIC, Global Ecology Unit CREAF-CEAB-CSIC-UAB, Cerdanyola del Valles)

  • Shushi Peng

    (Peking University)

  • Hui Yang

    (Peking University)

  • Yitong Yao

    (Peking University)

  • Yi Yin

    (Laboratoire des Sciences du Climat et de l’Environnement, LSCE)

  • Yutong Zhao

    (Chinese Academy of Sciences)

Abstract

Most studies of the northern hemisphere carbon cycle based on atmospheric CO2 concentration have focused on spring and autumn, but the climate change impact on summer carbon cycle remains unclear. Here we used atmospheric CO2 record from Point Barrow (Alaska) to show that summer CO2 drawdown between July and August, a proxy of summer carbon uptake, is significantly negatively correlated with terrestrial temperature north of 50°N interannually during 1979–2012. However, a refined analysis at the decadal scale reveals strong differences between the earlier (1979–1995) and later (1996–2012) periods, with the significant negative correlation only in the later period. This emerging negative temperature response is due to the disappearance of the positive temperature response of summer vegetation activities that prevailed in the earlier period. Our finding, together with the reported weakening temperature control on spring carbon uptake, suggests a diminished positive effect of warming on high-latitude carbon uptake.

Suggested Citation

  • Tao Wang & Dan Liu & Shilong Piao & Yilong Wang & Xiaoyi Wang & Hui Guo & Xu Lian & John F Burkhart & Philippe Ciais & Mengtian Huang & Ivan Janssens & Yue Li & Yongwen Liu & Josep Peñuelas & Shushi P, 2018. "Emerging negative impact of warming on summer carbon uptake in northern ecosystems," Nature Communications, Nature, vol. 9(1), pages 1-7, December.
    • Handle: RePEc:nat:natcom:v:9:y:2018:i:1:d:10.1038_s41467-018-07813-7
    DOI: 10.1038/s41467-018-07813-7
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    Cited by:

    1. Wenqing Li & Rubén D. Manzanedo & Yuan Jiang & Wenqiu Ma & Enzai Du & Shoudong Zhao & Tim Rademacher & Manyu Dong & Hui Xu & Xinyu Kang & Jun Wang & Fang Wu & Xuefeng Cui & Neil Pederson, 2023. "Reassessment of growth-climate relations indicates the potential for decline across Eurasian boreal larch forests," Nature Communications, Nature, vol. 14(1), pages 1-13, December.
    2. Kai Wang & Ana Bastos & Philippe Ciais & Xuhui Wang & Christian Rödenbeck & Pierre Gentine & Frédéric Chevallier & Vincent W. Humphrey & Chris Huntingford & Michael O’Sullivan & Sonia I. Seneviratne, 2022. "Regional and seasonal partitioning of water and temperature controls on global land carbon uptake variability," Nature Communications, Nature, vol. 13(1), pages 1-11, December.
    3. Zefeng Chen & Weiguang Wang & Giovanni Forzieri & Alessandro Cescatti, 2024. "Transition from positive to negative indirect CO2 effects on the vegetation carbon uptake," Nature Communications, Nature, vol. 15(1), pages 1-13, December.

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