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Intraseasonal oscillation intensity over the western North Pacific:Projected changes under global warming

Yi Fan Ke Fan Zhiqing Xu

大气和海洋科学快报(英文版)2021,Vol.14Issue(4):1-6,6.
大气和海洋科学快报(英文版)2021,Vol.14Issue(4):1-6,6.

Intraseasonal oscillation intensity over the western North Pacific:Projected changes under global warming

Intraseasonal oscillation intensity over the western North Pacific:Projected changes under global warming

Yi Fan 1Ke Fan 2Zhiqing Xu3

作者信息

  • 1. Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters/Key Laboratory of Meteorological Disaster,Ministry of Education/School of Atmospheric Sciences,Nanjing University of Information Science&Technology,Nanjing,China
  • 2. Nansen-Zhu International Research Centre,Institute of Atmospheric Physics,Chinese Academy of Sciences,Beijing,China
  • 3. School of Atmospheric Sciences,Sun Yat-sen University,Guangzhou,China
  • 折叠

摘要

Abstract

本文利用8个CMIP5模式的日资料,预估了RCP4.5和RCP8.5情景下全球增温达1.5℃和2.0℃时西北太平洋夏季30~60天和10~20天季节内振荡(ISO)强度的变化情况.大多数模式都认为,无论增温水平或情景如何,预估结果均显示从中南半岛南部到菲律宾以东的带状区域内ISO强度增加,并且关键气象要素背景的变化会对ISO强度异常的空间分布造成影响.具体表现为,ISO强度增大的区域往往伴随着低层湿度和湿静力能的增加.其中菲律宾东部的湿度变化最为明显,ICP南部的湿静力能变化最为明显,上述区域的ISO强度均增强.相反,印度尼西亚西部和菲律宾东北部有局地下沉运动增强,当地的ISO强度减小.

关键词

季节内振荡强度/典型浓度路径/全球增温1.5℃和2.0℃/西北太平洋

Key words

Intraseasonal oscillation intensity/Representative concentration pathway/1.5 and 2.0℃global warming/Western North Pacific

引用本文复制引用

Yi Fan,Ke Fan,Zhiqing Xu..Intraseasonal oscillation intensity over the western North Pacific:Projected changes under global warming[J].大气和海洋科学快报(英文版),2021,14(4):1-6,6.

基金项目

This research was jointly supported by the National Key R&D Pro-gram of China[grant number 2017YFA0603802],the National Natural Science Foundation of China[grant numbers 41730964 and 41991283],and the Innovation Group Project of Southern Marine Science and En-gineering Guangdong Laboratory(Zhuhai).We thank the support provided by the Startup Foundation for Intro-ducing Talent of NUIST. (Zhuhai)

大气和海洋科学快报(英文版)

OACSCD

1674-2834

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