Possible Thermal Effect of Tibetan Plateau on the Atlantic Meridional Overturning Circulation

Possible Thermal Effect of Tibetan Plateau on the Atlantic Meridional Overturning Circulation
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青藏高原对大西洋经向翻转环流可能的热效应

DOI:
10.1029/2021gl095771
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发表时间:
2022-02
影响因子:
5.2
通讯作者:
Jian Liu
Jian Liu
中科院分区:
地球科学1区
文献类型:
--
作者:
Qin Wen;Haijun Yang;Kai Yang;Gen Li;Zhengyu Liu;Jian Liu

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青藏高原(TP)在塑造全球气候方面具有重要意义。为了了解其热力条件如何影响大西洋纬向翻转环流(AMOC),我们进行了一系列的强迫实验,以模拟TP的变暖和冷却条件。结果表明,TP增暖可立即在副热带北大西洋产生反气旋,使北大西洋向热带东太平洋输送的水汽增多。这导致北大西洋降水减少,并增加了海面盐度。后者增强了副极地北大西洋的深水形成,从而增强了AMOC。相反,TP冷却通过相反的过程削弱AMOC。这些结果表明,AMOC的变化不仅可以影响本地的因素,但也来自亚洲的远程强迫。
The Tibetan Plateau (TP) is important in shaping the global climate. To understand how its thermal condition may affect the Atlantic meridional overturning circulation (AMOC), we conduct a series of albedo forcing experiments to simulate the TP warming and cooling conditions. The results show that the TP warming can immediately generate anticyclone in the subtropical North Atlantic, leading to more water vapor transporting from the North Atlantic to eastern tropical Pacific. This results in less precipitation over the North Atlantic and increases the sea surface salinity. The latter enhances the deep‐water formation in the subpolar North Atlantic and thus the AMOC. In contrast, the TP cooling weakens the AMOC via opposite processes. These findings imply that the AMOC change can be affected not only by local factors but also remote forcing from Asia.
DOI: 10.1175/jcli-d-11-00617.1
发表时间: 2012-04
期刊: Journal of Climate
影响因子: 4.9
作者:
P. Zhao;Song Yang;R. Wu;Z. Wen;Junming Chen;Huijun Wang
通讯作者: P. Zhao;Song Yang;R. Wu;Z. Wen;Junming Chen;Huijun Wang
大西洋翻转环流减弱导致南大西洋盐度堆积
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发表时间: 2020-09
影响因子: 30.7
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期刊: INTERNATIONAL JOURNAL OF CLIMATOLOGY
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发表时间: 2020-03
期刊: Journal of Climate
影响因子: 4.9
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DOI: 10.1002/jgrd.50124
发表时间: 2013-02
期刊: Journal of Geophysical Research: Atmospheres
影响因子: --
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