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Role of solar activity and Pacific decadal oscillation in the hydroclimatic patterns of eastern China over the past millennium

文献类型：期刊论文

作者Zhang, Liang1,2; Wu, Maowei1,2; Zheng, Jingyun1,2; Hao, Zhixin1,2
刊名GLOBAL AND PLANETARY CHANGE
出版日期2022-09-01
卷号216页码:16
关键词Hydroclimatic patterns Solar activity Pacific decadal oscillation Eastern China East Asia Pacific-like pattern SSTA patterns
ISSN号0921-8181
DOI10.1016/j.gloplacha.2022.103905
通讯作者Hao, Zhixin(haozx@igsnrr.ac.cn)
英文摘要The hydroclimatic patterns in eastern China (EC) over the past millennium, both influenced by solar activity and Pacific decadal oscillation (PDO), are presented based on the climatic reconstructions and simulations. For strong solar activity, a consistent pattern exists where drought appears in the majority of EC initialized from the cold PDO phase, which is related to less moisture caused by the negative East Asia/Pacific-like (EAP-like) pattern and the enhanced western Pacific subtropical high (WPSH). When the initial condition with a neutral or warm PDO phase is set up, there is a tripole-like pattern from north to south, i.e., drought-flood-drought for the neutral PDO phase and flood-drought-flood for the warm PDO phase, which is related to the positive EAP-like pattern with various moisture transportation paths. For weak solar activity, there are dipole-like patterns where drought occurs in the northern part of the Yangtze River and flood appears in the southern part initialized from the cold or warm PDO phase, which is possibly related to the influence of the weakened WPSH. When the initial condition is the neutral PDO phase, there is a tripole-like pattern from north to south (flood-drought-flood) in EC affected by the weakened WPSH and the intensive India-Burma trough. Notably, the vertical velocity anomalies of airflow, representing the vertical moisture transportations, correspond well with the hydroclimatic patterns in EC whenever the various initialization strategies of PDO phases are employed.
WOS关键词ASIAN SUMMER MONSOON ; ATMOSPHERIC CIRCULATION ; INTERDECADAL VARIATION ; EXTREME PRECIPITATION ; SURFACE-TEMPERATURE ; SUBTROPICAL MONSOON ; SPATIAL-PATTERNS ; NORTH PACIFIC ; CLIMATE ; VARIABILITY
资助项目National Natural Science Foundation of China[41831174] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA19040101] ; Strategic Priority Research Program of the Chinese Academy of Sciences[J/A+A/531/A6]
WOS研究方向Physical Geography ; Geology
语种英语
WOS记录号WOS:000843740300002
出版者ELSEVIER
资助机构National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences
源URL[http://ir.igsnrr.ac.cn/handle/311030/166634]  
专题中国科学院地理科学与资源研究所
通讯作者Hao, Zhixin
作者单位1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Land Surface Pattern & Simulat, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
推荐引用方式
GB/T 7714		 Zhang, Liang,Wu, Maowei,Zheng, Jingyun,et al. Role of solar activity and Pacific decadal oscillation in the hydroclimatic patterns of eastern China over the past millennium[J]. GLOBAL AND PLANETARY CHANGE,2022,216:16.
APA Zhang, Liang,Wu, Maowei,Zheng, Jingyun,&Hao, Zhixin.(2022).Role of solar activity and Pacific decadal oscillation in the hydroclimatic patterns of eastern China over the past millennium.GLOBAL AND PLANETARY CHANGE,216,16.
MLA Zhang, Liang,et al."Role of solar activity and Pacific decadal oscillation in the hydroclimatic patterns of eastern China over the past millennium".GLOBAL AND PLANETARY CHANGE 216(2022):16.

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来源：地理科学与资源研究所

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