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The role of mountains in shaping the global meridional overturning circulation

Author

Listed:
  • Haijun Yang

    (Fudan University)

  • Rui Jiang

    (Peking University)

  • Qin Wen

    (Nanjing Normal University)

  • Yimin Liu

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

  • Guoxiong Wu

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

  • Jiangping Huang

    (Lanzhou University)

Abstract

The meridional overturning circulation (MOC) in the ocean is a key player in the global climate system, while continental topography provides an essential backdrop to the system. In this study, we design a series of coupled model sensitivity experiments to investigate the influence of various mountain ranges on the global thermohaline circulation. The results highlight the influence of the Tibetan Plateau (TP) on the global thermohaline circulation. It emerges as a requisite for establishing the Atlantic MOC (AMOC) and a determining factor for the cessation of the Pacific MOC (PMOC). Additionally, the Antarctic continent plays a vital role in facilitating the TP to form the AMOC. While the formation of the AMOC cannot be attributed to any single mountain range, the TP alone can inhibit the PMOC’s development. By modifying the global hydrological cycle, the TP is likely to have been crucial in molding the global thermohaline circulation.

Suggested Citation

  • Haijun Yang & Rui Jiang & Qin Wen & Yimin Liu & Guoxiong Wu & Jiangping Huang, 2024. "The role of mountains in shaping the global meridional overturning circulation," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-46856-x
    DOI: 10.1038/s41467-024-46856-x
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    References listed on IDEAS

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    1. Fausto Ferraccioli & Carol A. Finn & Tom A. Jordan & Robin E. Bell & Lester M. Anderson & Detlef Damaske, 2011. "East Antarctic rifting triggers uplift of the Gamburtsev Mountains," Nature, Nature, vol. 479(7373), pages 388-392, November.
    2. Stewart S. R. Jamieson & Neil Ross & Guy J. G. Paxman & Fiona J. Clubb & Duncan A. Young & Shuai Yan & Jamin Greenbaum & Donald D. Blankenship & Martin J. Siegert, 2023. "An ancient river landscape preserved beneath the East Antarctic Ice Sheet," Nature Communications, Nature, vol. 14(1), pages 1-12, December.
    3. Richard Davies & Joseph Cartwright & Jennifer Pike & Charles Line, 2001. "Early Oligocene initiation of North Atlantic Deep Water formation," Nature, Nature, vol. 410(6831), pages 917-920, April.
    4. Deborah J. Thomas, 2004. "Evidence for deep-water production in the North Pacific Ocean during the early Cenozoic warm interval," Nature, Nature, vol. 430(6995), pages 65-68, July.
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