青藏高原陆面和大气过程对全球气候的影响

IF 25.2 1区 地球科学 Q1 GEOCHEMISTRY & GEOPHYSICS
Jianping Huang, Xiuji Zhou, Guoxiong Wu, Xiangde Xu, Qingyun Zhao, Yimin Liu, Anmin Duan, Yongkun Xie, Yaoming Ma, Ping Zhao, Song Yang, Kun Yang, Haijun Yang, Jianchun Bian, Yunfei Fu, Jinming Ge, Yuzhi Liu, Qigang Wu, Haipeng Yu, Binbin Wang, Qing Bao, Kai Qie
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引用次数: 4

摘要

青藏高原(TP)影响局地和远地大气环流,其中它对气团或气流产生机械和热力影响。此外,TP为对流层和平流层之间的物质输送提供了一个关键通道。本文综述了青藏高原陆地-大气耦合过程的最新研究进展。青藏高原经历了气候变暖和湿润。气候变暖导致冰川退缩、永久冻土退化和植被密度普遍增加,而气候变湿主要通过降水增加导致主要湖泊数量显著增加。局部和区域气候受到陆地和大气之间相互作用的影响。也就是说,在亚洲夏季风(ASM)反气旋环流中,TP驱动地表污染物到对流层上层,然后扩散到平流层下层。此外,高原的热强迫对高原的形成起着重要的作用。总温强迫可以调节所有季节的半球尺度大气环流。青藏高原通过强迫大气响应与遥远的海洋相互作用,并通过促进大西洋经向翻转环流和消除太平洋经向翻转环流而受到地球气候演变的实质性影响。夏季青藏高原与夏季高原的耦合促进了青藏高原的广泛影响;而冬季对气候的影响主要通过罗斯比波发生。观测到的青藏高原温度和降水的增加趋势预计将持续整个21世纪。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Global Climate Impacts of Land-Surface and Atmospheric Processes Over the Tibetan Plateau

The Tibetan Plateau (TP) impacts local and remote atmospheric circulations, wherein it mechanically and thermally affects air masses or airflows. Moreover, the TP provides a key channel for substance transport between the troposphere and the stratosphere. This study reviews recent advances in research regarding land–atmosphere coupling processes over the TP. The TP experiences climate warming and wetting. Climate warming has caused glacier retreat, permafrost degradation, and a general increase in vegetation density, while climate wetting has led to a significant increase in the number of major lakes, primarily through increased precipitation. Local and regional climates are affected by interactions between the land and the atmosphere. Namely, the TP drives surface pollutants to the upper troposphere in an Asian summer monsoon (ASM) anticyclone circulation, before spreading to the lower stratosphere. Further, the thermal forcing of the TP plays an essential role in the ASM. TP forcing can modulate hemispheric-scale atmospheric circulations across all seasons. The TP interacts with remote oceans through a forced atmospheric response and is substantially affected by the evolution of the Earth's climate via promoting Atlantic meridional overturning circulation and eliminating Pacific meridional overturning circulation. The extensive influence of the TP is facilitated by its coupling with the ASM in the summer; whereas its winter influence on climate mainly occurs through Rossby waves. The observed increasing trends of temperature and precipitation over the TP are projected to continue throughout the 21st century.

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来源期刊
Reviews of Geophysics
Reviews of Geophysics 地学-地球化学与地球物理
CiteScore
50.30
自引率
0.80%
发文量
28
审稿时长
12 months
期刊介绍: Geophysics Reviews (ROG) offers comprehensive overviews and syntheses of current research across various domains of the Earth and space sciences. Our goal is to present accessible and engaging reviews that cater to the diverse AGU community. While authorship is typically by invitation, we warmly encourage readers and potential authors to share their suggestions with our editors.
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