Yang Haijun, Jiang Rui, Wen Qin, Liu Yimin, Wu Guoxiong, Huang Jianping
Department of Atmospheric and Oceanic Sciences and Key Laboratory of Polar Atmosphere-ocean-ice System for Weather and Climate of Ministry of Education, Fudan University, Shanghai, 200438, China.
Department of Atmospheric and Oceanic Sciences, School of Physics, Peking University, 100871, Beijing, China.
Nat Commun. 2024 Mar 23;15(1):2602. doi: 10.1038/s41467-024-46856-x.
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.
海洋中的经向翻转环流（MOC）是全球气候系统中的关键因素，而大陆地形则为该系统提供了重要背景。在本研究中，我们设计了一系列耦合模型敏感性实验，以探究不同山脉对全球热盐环流的影响。结果突出了青藏高原（TP）对全球热盐环流的影响。它是建立大西洋经向翻转环流（AMOC）的必要条件，也是太平洋经向翻转环流（PMOC）停止的决定性因素。此外，南极大陆在促进青藏高原形成AMOC方面发挥着至关重要的作用。虽然AMOC的形成不能归因于任何单一山脉，但仅青藏高原就能抑制PMOC的发展。通过改变全球水文循环，青藏高原很可能在塑造全球热盐环流方面发挥了关键作用。
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