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Attribution of regional Hadley circulation intensity changes in the Northern Hemisphere

Yi Zheng Bo Sun Wanling Li Siyu Zhou Jiarui Cai Huixin Li Shengping He

大气和海洋科学快报（英文版）2025，Vol.18Issue(6)：37-42,6.
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大气和海洋科学快报（英文版）2025，Vol.18Issue(6)：37-42,6.DOI:10.1016/j.aosl.2025.100613

Attribution of regional Hadley circulation intensity changes in the Northern Hemisphere

Attribution of regional Hadley circulation intensity changes in the Northern Hemisphere

Yi Zheng 1Bo Sun 2Wanling Li 1Siyu Zhou 1Jiarui Cai 1Huixin Li 1Shengping He3

作者信息

  • 1. State Key Laboratory of Climate System Prediction and Risk Management/Key Laboratory of Meteorological Disaster,Ministry of Education/Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters,Nanjing University of Information Science and Technology,Nanjing,China
  • 2. State Key Laboratory of Climate System Prediction and Risk Management/Key Laboratory of Meteorological Disaster,Ministry of Education/Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters,Nanjing University of Information Science and Technology,Nanjing,China||Southern Marine Science and Engineering Guangdong Laboratory(Zhuhai),Zhuhai,China
  • 3. Geophysical Institute,University of Bergen,Bergen,Norway
  • 折叠

摘要

Abstract

基于6套再分析资料和13个CMIP6模式,研究发现模式能够较好地再现北半球东太平洋,西太平洋,大西洋和非洲的哈德来环流强度变化趋势.但在印度洋区域,再分析数据与模式模拟的趋势存在较大差异.这一差异主要归因于模式与再分析数据在非绝热加热和纬向摩擦力模拟上的不同表现.最优指纹法分析表明,人为强迫和非温室气体强迫是北半球局地哈德来环流强度变化的主要驱动因素.本研究揭示了人类活动对北半球不同区域哈德来环流变化的重要影响,并阐明了再分析资料与CMIP6模式中北半球哈德来环流变化差异的原因.

关键词

哈德来环流强度/归因/外强迫/最优指纹法/扩展KE方程

Key words

Hadley circulation intensity/Attribution/External forcing/Optimal fingerprint method/Kuo-Eliassen equation

引用本文复制引用

Yi Zheng,Bo Sun,Wanling Li,Siyu Zhou,Jiarui Cai,Huixin Li,Shengping He..Attribution of regional Hadley circulation intensity changes in the Northern Hemisphere[J].大气和海洋科学快报（英文版）,2025,18(6):37-42,6.

基金项目

This study was funded by the National Key Research and Develop-ment Program of China[grant number 2022YFF0801704]. （）

大气和海洋科学快报（英文版）

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