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Underestimated relationship between westerly wind bursts and ENSO in CMIP6 models

Mingjie Wang Chaoxia Yuan Jingchan Liu Yihua Wei Jiye Wu Jingjia Luo

大气和海洋科学快报（英文版）2023，Vol.16Issue(6)：16-21,6.

大气和海洋科学快报（英文版）2023，Vol.16Issue(6)：16-21,6.DOI:10.1016/j.aosl.2023.100336

Underestimated relationship between westerly wind bursts and ENSO in CMIP6 models

Mingjie Wang ¹Chaoxia Yuan ¹Jingchan Liu ¹Yihua Wei ¹Jiye Wu ¹Jingjia Luo¹

作者信息

1. Key Laboratory of Meteorological Disaster of Ministry of Education,Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters,Institute for Climate and Application Research(ICAR),Nanjing University of Information Science & Technology,Nanjing,China
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摘要

Abstract

观测表明,热带太平洋的西风爆发(WWBs)在厄尔尼诺南方涛动(ENSO)的发生,发展和多样性中起着关键作用.因此,在耦合模式中真实地再现WWBs对于改进ENSO的模拟和预测有重要意义.在本研究中,作者发现CMIP6的耦合模式的集合平均能很好地再现了热带太平洋WWB发生频率的纬向分布及其年际变动.然而,大多数CMIP6模型极大低估了WWB和ENSO的线性关系.这可能是因为大多数CMIP6模式里海气耦合强度低于观测:海气耦合强度与WWB-ENSO关系的模式间相关系数高达0.91.

关键词

西风爆发/ENSO/CMIP6模式

Key words

Westerly wind burst/ENSO/CMIP6 models

引用本文复制引用

Mingjie Wang,Chaoxia Yuan,Jingchan Liu,Yihua Wei,Jiye Wu,Jingjia Luo..Underestimated relationship between westerly wind bursts and ENSO in CMIP6 models[J].大气和海洋科学快报（英文版）,2023,16(6):16-21,6.

基金项目

This study was financially supported by the National Natural Science Foundation of China[grant numbers 42088101 and 41875099]. （）

大气和海洋科学快报（英文版）

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ISSN：1674-2834

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