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[1]王 星,华 维.夏季亚洲—太平洋涛动与东亚气候异常的关系[J].成都信息工程大学学报,2019,(04):420-427.[doi:10.16836/j.cnki.jcuit.2019.04.015]
　WANG Xing,HUA Wei.The Relationship between the Asia-Pacific Oscillation in Summer and East Asian Summer Climate Abnormality[J].Journal of Chengdu University of Information Technology,2019,(04):420-427.[doi:10.16836/j.cnki.jcuit.2019.04.015]
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夏季亚洲—太平洋涛动与东亚气候异常的关系

成都信息工程大学学报[ISSN:1006-6977/CN:61-1281/TN] 卷: 期数: 2019年04期 页码: 420-427 栏目: 大气科学 出版日期: 2019-10-20
Title:
The Relationship between the Asia-Pacific Oscillation in Summer and East Asian Summer Climate Abnormality
文章编号:
2096-1618(2019)04-0420-08
作者:
王 星1;  华 维1; 2
(1. 成都信息工程大学大气科学学院 气候与环境变化联合实验室、高原大气与环境四川省 重点实验室,四川 成都 610225; 2.南京信息工程大学气象灾害教育部重点实验室、气象灾 害预报预警与评估协同创新中心,江苏 南京 210044)
Author(s):
WANG Xing1;  HUA Wei1; 2
(1.College of Atmospheric Sciences,Joint Laboratory on Climate and Environment Change,Plateau Atmosphere and Environment Key Laboratory of Sichuan Province, Chengdu University of Information Technology, Chengdu 610225, China; 2.Key Laboratory of Meteorological Disaster(KLME), Ministry of Education & Collaborative Innovation Center on Forecast and Evaluation of Meteorological Disasters(CIC-FEMD), Nanjing University of Information Science & Technology, Nanjing 210044, China)
关键词:
气象学;  气候变化;  亚洲—太平洋涛动;  东亚夏季风
Keywords:
meteorology;  climate change;  Asia-Pacific oscillation;  East Asian summer monsoon
分类号:
P461+.2
DOI:
10.16836/j.cnki.jcuit.2019.04.015
文献标志码:
A
摘要:
为研究夏季亚洲—太平洋涛动(APO)与东亚气候异常的关系,利用1948-2016年 NCEP/NCAR月平均再分析资料和1948-2012年CRU降水资料以及合成分析、M-K突变检验等方法 。结果表明:在对流层中高层扰动位势高度场上,亚洲—太平洋地区中高纬度存在类似于APO 的遥相关现象,即当夏季APO偏强的时候,亚洲大陆中高纬度对流层上空扰动位势高度偏高,而 太平洋中高纬度对流层上空扰动位势高度偏低,此时亚洲上空南亚高压范围更大。当APO指数 (APOI)偏高(低)时,东亚夏季风偏强(弱)。此外,夏季APO在1972年出现了一次突变性减弱。 APO减弱后,南亚高压范围增大,东亚夏季风减弱,中国江淮地区降水量增加而中国东南沿海地 区、日本和印度半岛降水量减少; 与此同时,中国大部分地区、蒙古以及中亚部分地区气温 较突变前有所降低,而在中国沿海地区、日本以及韩国气温呈现上升趋势。
Abstract:
Using the monthly reanalysis data from NCEP/NCAR during 1948-2016 and the accumulated precipitation data from Climatic Research Unit(CRU)during 1948- 2012 with composite analysis and Mann-Kendall methods, the relationship between the Asia-Pacific oscillation(APO)and East Asian climatic anomalies in summer was studied. The results show that a teleconnection between Asia and the Pacific in disturbing potential height in the upper troposphere, similar to the APO. When the APO index is high, disturbing potential height in the upper troposphere is higher in the middle and high latitudes of the Asian continent, it is lower in the middle and high of the Pacific, and the area of South Asia high pressure over Asian continent is wider. When the summer APO index is high(low), the EASM is strong(weak). In addition, APO showed a weakening of the mutation in 1972. After the weakening of APO, the area of South Asia high enlarged, the EASM weakened and precipitation enhanced in the Jianghuai Region of China and decreased in the southern coastal areas, Japan and the Indian peninsula. At the same time, temperatures in most parts of China, Mongolia and parts of Central Asia have decreased before the sudden change, while temperatures in China’s coastal areas, Japan and South Korea have shown an upward trend.

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备注/Memo

收稿日期:2019-03-28 基金项目:国家自然科学基金资助项目(41775072、91537214、41405069); 四川省教育厅重 点资助项目(16ZA0203)

更新日期/Last Update: 2019-10-20