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Global trends in carbon sinks and their relationships with CO2 and temperature

Author

Listed:
  • M. Fernández-Martínez

    (University of Antwerp)

  • J. Sardans

    (CSIC, Global Ecology Unit, CREAF-CSIC-UAB
    CREAF)

  • F. Chevallier

    (Laboratoire des Sciences du Climat et de l’Environnement, CEA CNRS UVSQ)

  • P. Ciais

    (Laboratoire des Sciences du Climat et de l’Environnement, CEA CNRS UVSQ)

  • M. Obersteiner

    (International Institute for Applied Systems Analysis)

  • S. Vicca

    (University of Antwerp)

  • J. G. Canadell

    (Global Carbon Project, CSIRO Oceans and Atmosphere)

  • A. Bastos

    (Laboratoire des Sciences du Climat et de l’Environnement, CEA CNRS UVSQ)

  • P. Friedlingstein

    (University of Exeter)

  • S. Sitch

    (University of Exeter)

  • S. L. Piao

    (Peking University
    Institute of Tibetan Plateau Research, Chinese Academy of Sciences)

  • I. A. Janssens

    (University of Antwerp)

  • J. Peñuelas

    (CSIC, Global Ecology Unit, CREAF-CSIC-UAB
    CREAF)

Abstract

Elevated CO2 concentrations increase photosynthesis and, potentially, net ecosystem production (NEP), meaning a greater CO2 uptake. Climate, nutrients and ecosystem structure, however, influence the effect of increasing CO2. Here we analysed global NEP from MACC-II and Jena CarboScope atmospheric inversions and ten dynamic global vegetation models (TRENDY), using statistical models to attribute the trends in NEP to its potential drivers: CO2, climatic variables and land-use change. We found that an increased CO2 was consistently associated with an increased NEP (1995–2014). Conversely, increased temperatures were negatively associated with NEP. Using the two atmospheric inversions and TRENDY, the estimated global sensitivities for CO2 were 6.0 ± 0.1, 8.1 ± 0.3 and 3.1 ± 0.1 PgC per 100 ppm (~1 °C increase), and −0.5 ± 0.2, −0.9 ± 0.4 and −1.1 ± 0.1 PgC °C−1 for temperature. These results indicate a positive CO2 effect on terrestrial C sinks that is constrained by climate warming.

Suggested Citation

  • M. Fernández-Martínez & J. Sardans & F. Chevallier & P. Ciais & M. Obersteiner & S. Vicca & J. G. Canadell & A. Bastos & P. Friedlingstein & S. Sitch & S. L. Piao & I. A. Janssens & J. Peñuelas, 2019. "Global trends in carbon sinks and their relationships with CO2 and temperature," Nature Climate Change, Nature, vol. 9(1), pages 73-79, January.
    • Handle: RePEc:nat:natcli:v:9:y:2019:i:1:d:10.1038_s41558-018-0367-7
    DOI: 10.1038/s41558-018-0367-7
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    Cited by:

    1. Simioni, Guillaume & Marie, Guillaume & Davi, Hendrik & Martin-St Paul, Nicolas & Huc, Roland, 2020. "Natural forest dynamics have more influence than climate change on the net ecosystem production of a mixed Mediterranean forest," Ecological Modelling, Elsevier, vol. 416(C).
    2. Xinran Zhu & Qiang Zhang & Yongsheng Sun & Yanjun Li & Yuexin Han, 2022. "Fluidization Roasting Technology of Jingtieshan Iron Ore in the Absence of Carbon Additives," Sustainability, MDPI, vol. 14(20), pages 1-13, October.
    3. Becker, Rike & Schüth, Christoph & Merz, Ralf & Khaliq, Tasneem & Usman, Muhammad & Beek, Tim aus der & Kumar, Rohini & Schulz, Stephan, 2023. "Increased heat stress reduces future yields of three major crops in Pakistan’s Punjab region despite intensification of irrigation," Agricultural Water Management, Elsevier, vol. 281(C).
    4. Jing Peng & Fuqiang Yang & Li Dan & Xiba Tang, 2022. "Estimation of China’s Contribution to Global Greening over the Past Three Decades," Land, MDPI, vol. 11(3), pages 1-16, March.
    5. Jian Chen & Kai Wang & Maomao Li & Xianzhi Wang & Xiaoxiao Zhang & Lixin Niu & Yanlong Zhang, 2023. "Prediction and Evolution of Carbon Storage of Terrestrial Ecosystems in the Qinling Mountains North Slope Region, China," Land, MDPI, vol. 12(11), pages 1-17, November.
    6. Xing, Wanqiu & Yang, Lilin & Wang, Weiguang & Yu, Zhongbo & Shao, Quanxi & Xu, Shiqin & Fu, Jianyu, 2023. "Environmental controls on carbon and water fluxes of a wheat-maize rotation cropland over the Huaibei Plain of China," Agricultural Water Management, Elsevier, vol. 283(C).
    7. Jing Peng & Li Dan & Jinming Feng & Kairan Ying & Xiba Tang & Fuqiang Yang, 2021. "Absolute Contribution of the Non-Uniform Spatial Distribution of Atmospheric CO 2 to Net Primary Production through CO 2 -Radiative Forcing," Sustainability, MDPI, vol. 13(19), pages 1-18, September.

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