Enhanced correlation between ENSO and western North Pacific monsoon during boreal summer around the 1990s

论文摘要

西北太平洋夏季风指数与同时期夏季的Nino3.4指数的相关系数在90年代初期以后出现显著的增强。两者相关系数的这种年代际变化可能跟中太平洋型ENSO的更频繁发生以及ENSO相关联的其他热带洋盆的海表面温度异常有关。在90年代之后(之前),显著的热带大西洋(印度洋)海表面温度异常倾向伴随夏季Nino3.4海表面温度异常同时出现,并且能够增强(减弱)Nino3.4海表面温度异常所引起的西北太平洋夏季风异常,从而能够增强(减弱)Nino3.4海表面温度与西北太平洋夏季风指数之间的相关系数。另一方面,由春季北大西洋海表面温度异常所引起的前一年冬季El Nino更快的衰减速率,也能够促进夏季Nino3.4指数与西北太平洋夏季风之间村相关系数在90年代之后的增加。这些结果表明来自大西洋海温影响的增强可能导致了夏季Nino3.4指数与西北太平洋夏季风指数之间的相关系数在90年代之后的显著增加。

论文目录

文章来源

类型: 期刊论文

作者: WU Minmin,WANG Lei

关键词: 西北太平洋夏季风,厄尔尼诺,热带大西洋海温异常,年代际变化,洋盆间相互作用

来源: Atmospheric and Oceanic Science Letters 2019年05期

年度: 2019

分类: 基础科学

专业: 气象学,海洋学

单位: Guangdong Province Key Laboratory for Coastal Ocean Variation and Disaster Prediction, College of Ocean and Meteorology, Guangdong Ocean University

基金: supported by the National Key Research and Development Program of China [grant number2018YFC1506903],the National Natural Science Foundation of China [grant number 41776031],the Guangdong Natural Science Foundation [grant number 2015A030313796],the program for scientific research start-up funds of Guangdong Ocean University,the Foundation for Returned Scholars of the Ministry of Education of China

分类号: P732

页码: 376-384

总页数: 9

文件大小: 1517K

下载量: 24

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标签：西北太平洋夏季风论文;  厄尔尼诺论文;  热带大西洋海温异常论文;  年代际变化论文;  洋盆间相互作用论文;