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DOI10.3354/cr01019
Covariability between tree-ring-based precipitation reconstructions in Northwest China and the sea-surface temperature of the Indian and Pacific Oceans
Fang, Keyan; Gou, Xiaohua; Chen, Fahu; Li, Jinbao; Zhou, Feifei; Li, Yingjun
发表日期2011
ISSN0936-577X
卷号49期号:1页码:17-27
英文摘要

We investigated the coherent variability between precipitation variations in NW China and the sea-surface temperatures of the Indian and Pacific Oceans, using both instrumental data and tree-ring-based precipitation reconstructions. Major coherent hydroclimatic variations in NW China were identified based on the first 2 leading singular value decomposition modes. The modes include the 'southern Xinjiang' pattern, the 'coherent NW-SE' pattern with positive or negative loadings over both the northwestern and southeastern parts and the 'NW-SE dipole' pattern, with inverse correlation patterns between them. The southerly winds near the western boundary of NW China and Lake Balkhash during the early stage of the Indian summer monsoon influence the hydroclimate variability in western NW China (Xinjiang area). The East Asian summer monsoon variability is related to the hydroclimate of eastern NW China, which is modulated by the El Nino Southern Oscillation, geopotential heights in northeastern Asia and over the Philippine Sea, as well as the western Subtropical Pacific High. The strength of the geopotential height in northeastern Asia may be related to the 'coherent NW-SE' pattern, while the inverse relationships between the Pacific Decadal Oscillation and Indian summer monsoon and westerlies may account for the 'NW-SE dipole'.


英文关键词NW China;Precipitation reconstruction;Singular value decomposition;Asian monsoon
语种英语
WOS研究方向Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS类目Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS记录号WOS:000295339000002
来源期刊CLIMATE RESEARCH
来源机构兰州大学 ; 中国科学院青藏高原研究所
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/1994
推荐引用方式
GB/T 7714
Fang, Keyan,Gou, Xiaohua,Chen, Fahu,et al. Covariability between tree-ring-based precipitation reconstructions in Northwest China and the sea-surface temperature of the Indian and Pacific Oceans[J]. 兰州大学, 中国科学院青藏高原研究所,2011,49(1):17-27.
APA Fang, Keyan,Gou, Xiaohua,Chen, Fahu,Li, Jinbao,Zhou, Feifei,&Li, Yingjun.(2011).Covariability between tree-ring-based precipitation reconstructions in Northwest China and the sea-surface temperature of the Indian and Pacific Oceans.CLIMATE RESEARCH,49(1),17-27.
MLA Fang, Keyan,et al."Covariability between tree-ring-based precipitation reconstructions in Northwest China and the sea-surface temperature of the Indian and Pacific Oceans".CLIMATE RESEARCH 49.1(2011):17-27.
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