Influence of North Pacific SST on heavy precipitation events in autumn over North China

被引：3
|
作者：
LI Hui-Xin [1 ,2 ]
CHEN Huo-Po [1 ,3 ]
WANG Hui-Jun [4 ,3 ,1 ,5 ]
机构：
[1] Nansen-Zhu International Research Center,Institute of Atmospheric Physics,Chinese Academy of Sciences
[2] College of Earth Science,Graduate University of Chinese Academy of Sciences
[3] Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters,Nanjing University of Information Science & Technology
[4] lntemational Joint Laboratory on Climate and Environment Change
[5] Climate Change Research Center,Chinese Academy of Sciences
来源：
AtmosphericandOceanicScienceLetters | 2017年 / 10卷 / 01期
基金：
中国国家自然科学基金;
关键词：
强降水; 秋季; 华北; 海温; 北太平洋;
D O I：
暂无
中图分类号：
P461.2 []; P426.6 [降水];
学科分类号：
摘要：
本文主要研究了华北秋季(9月)强降水频次发生年代际变化的可能原因。分析指出,华北秋季强降水频次在2000/01年发生了年代际增强,而它的变化与北太平洋海温变化密切相关。2000/01年之前,影响华北强降水的海温关键区主要位于中国东部海域;2000/01年海温关键区向东偏移,正是这种偏移使得西北太平洋副热带高压增强,向华北地区的水汽输送增加,从而使得华北地区发生强降水的概率增加。进一步研究指出,北太平洋海温年际变率的变化可能是造成海温与华北秋季强降水频次显著相关区发生东移的原因,更多的原因还需要深入研究。
引用
收藏
页码：21 / 28
页数：8
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