Climate variability of the East Asian winter monsoon and associated extratropical–tropical interaction: a review,Annals of the New York Academy of Sciences

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Climate variability of the East Asian winter monsoon and associated extratropical–tropical interaction: a review
Annals of the New York Academy of Sciences ( IF 4.1 ) Pub Date : 2021-06-14 , DOI: 10.1111/nyas.14620
Tianjiao Ma ₁ , Wen Chen _{1,

2}

Affiliation

The East Asian winter monsoon (EAWM) is one of the most important climate systems during boreal winter. It has a large meridional extent and provides a vital bridge between the mid-to-high latitudes and the tropics. This paper reviews the latest research on the climate variability of the EAWM, with particular emphasis on the associated processes of extratropical–tropical interaction. Some new results have been achieved in understanding the variation of the EAWM on interdecadal, interannual, and intraseasonal time scales, such as the interdecadal strengthening in the early 21st century, the unstable impact of El Niño–South Oscillation (ENSO) on the EAWM, and the intraseasonal strong cold events in East Asia. In addition, understanding of the extratropical–tropical interactions related to the EAWM has improved in several aspects, including the impacts of the EAWM on ENSO-related climate effects, and the variation of regional Hadley circulation over the western Pacific and its climate impacts in the Asia–Australia region. Moreover, recent work has systematically evaluated the capacity of climate models to simulate the EAWM, including its climatology, interannual to interdecadal variations, and its relationship with ENSO. Finally, some scientific issues regarding our understanding of the EAWM are proposed for future investigation.

中文翻译：

东亚冬季风的气候变异和相关的温带-热带相互作用：综述

东亚冬季风（EAWM）是北方冬季最重要的气候系统之一。它的经向范围很大，是连接中高纬度地区和热带地区的重要桥梁。本文回顾了关于东亚夏季风气候变率的最新研究，特别强调了温带-热带相互作用的相关过程。在理解EAWM在年代际、年际和季节内时间尺度上的变化方面取得了一些新成果，例如21世纪初的年代际加强，厄尔尼诺-南方涛动（ENSO）对EAWM的不稳定影响，以及东亚季节性强冷事件。此外，对与东亚夏季风相关的温带-热带相互作用的理解在几个方面有所提高，包括 EAWM 对 ENSO 相关气候效应的影响，以及西太平洋区域哈德利环流的变化及其对亚澳地区的气候影响。此外，最近的工作系统地评估了气候模型模拟 EAWM 的能力，包括其气候学、年际到年代际变化及其与 ENSO 的关系。最后，提出了一些关于我们对 EAWM 理解的科学问题，以供未来调查。以及它与 ENSO 的关系。最后，提出了一些关于我们对 EAWM 理解的科学问题，以供未来调查。以及它与 ENSO 的关系。最后，提出了一些关于我们对 EAWM 理解的科学问题，以供未来调查。

更新日期：2021-06-14

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