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题名: Interdecadal Change of the Northward Jump Time of the Western Pacific Subtropical High in Association with the Pacific Decadal Oscillation
作者: Ye, TS; Shen, Q; Wang, K; Zhang, ZS; Zhao, JH
收录类别: SCIE ; CSCD
出版日期: 2015-02
刊名: JOURNAL OF METEOROLOGICAL RESEARCH
卷号: 29, 期号:1, 页码:59-71
出版者: SPRINGER
出版地: HEIDELBERG
英文摘要: In this paper, the northward jump time of the western Pacific subtropical high (WPSH) is defined and analyzed on the interdecadal timescale. The results show that under global warming, significant interdecadal changes have occurred in the time of the WPSH northward jumps. From 1951 to 2012, the time of the first northward jump of WPSH has changed from "continuously early" to "continuously late", with the transition occurring in 1980. The time of the second northward jump of WPSH shows a similar change, with the transition occurring in 1978. In this study, we offer a new perspective by using the time of the northward jump of WPSH to explain the eastern China summer rainfall pattern change from "north-abundant-south-below-average" to "south-abundant-north-below-average" at the end of the 1970s. The interdecadal change in the time of the northward jump of WPSH corresponds not only with the summer rainfall pattern, but also with the Pacific decadal oscillation (PDO). The WPSH northward jump time corresponding to the cold (warm) phase of the PDO is early (late). Although the PDO and the El Nio-Southern Oscillation (ENSO) both greatly influence the time of the two northward jumps of WPSH, the PDO's effect is noticed before the ENSO's by approximately 1-2 months. After excluding the ENSO influence, we derive composite vertical atmospheric circulation for different phases of the PDO. The results show that during the cold (warm) phase of the PDO, the atmospheric circulations at 200, 500, and 850 hPa all contribute to an earlier (later) northward jump of the WPSH.
关键词: northward jump of WPSH ; interdecadal change ; summer precipitation ; Pacific decadal oscillation (PDO)
作者部门: [Ye Tianshu ; Shen Qian ; Wang Kuo ; Zhang Zhisen ; Zhao Junhu] Lanzhou Univ, Coll Atmospher Sci, Lanzhou 730000, Peoples R China ; [Zhao Junhu] China Meteorol Adm, Natl Climate Ctr, Lab Climate Studies, Beijing 100081, Peoples R China
通讯作者: Ye, TS (reprint author), Lanzhou Univ, Coll Atmospher Sci, Lanzhou 730000, Peoples R China.
学科分类: Meteorology & Atmospheric Sciences
文章类型: Article
所属项目编号: National Basic Research and Development (973) Program of China [2013CB430204, 2012CB955902] ; China Meteorological Administration Special Public Welfare Research Fund [GYHY201306021] ; National Natural Science Foundation of China [40930952, 41105070, 41375078]
所属项目名称: 国家自然科学基金项目 ; 国家重点基础研究发展计划以及国家重大科学研究计划(973计划) ; 公益性行业科研专项
项目资助者: NSFC ; MOST
语种: 英语
DOI: 10.1007/s13351-014-4040-4
ISSN号: 2095-6037
WOS记录号: WOS:000349829500004
CSCD记录号: CSCD:5423908
IR记录号: CSCD2399
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内容类型: 期刊论文
URI标识: http://ir.lzu.edu.cn/handle/262010/119472
Appears in Collections:大气科学学院_期刊论文

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Recommended Citation:
Ye, TS,Shen, Q,Wang, K,et al. Interdecadal Change of the Northward Jump Time of the Western Pacific Subtropical High in Association with the Pacific Decadal Oscillation[J]. JOURNAL OF METEOROLOGICAL RESEARCH,2015,29(1):59-71.
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