Yangtze runoff, precipitation, and the East Asian monsoon in a 2800 years climate control simulation

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	Yangtze runoff, precipitation, and the East Asian monsoon in a 2800 years climate control simulation
	Blender, Richard 1; Zhu, Xiuhua 1; Zhang, Dan 1,2,3; Fraedrich, Klaus 1
	2011-11-15
Source Publication	QUATERNARY INTERNATIONAL
Volume	244 Issue:2 Pages:194-201
Abstract	Variability of the Yangtze catchment hydrology is closely linked with the Tibetan Plateau snow cover and the large scale atmospheric circulation in East Asia. These connections are analyzed in a control simulation (2800 years) of the atmosphere-ocean general circulation model (ECHAM5/MPIOM) coupled to vegetation and ocean biogeochemistry modules. (i) Up to decades in time scale, runoff, soil wetness, and temperature show long term memory (LTM) with an intradecadal scaling of the power spectrum with the exponent beta approximate to 0.6, while precipitation, snow depth, and snow melt reveal no memory. (ii) Multi-decadal variability of runoff, soil wetness, and temperature shows weak LTM similar to snow depth and melt on the Tibetan Plateau. (iii) On the annual time scale, the atmospheric circulation impact of Hadley cell and ENSO on precipitation, temperature and snow melt are weak but significant; on decadal time scales the subtropical monsoon modulates the catchment hydrology. Temperature is anticorrelated with precipitation and soil wetness in the Yangtze catchment. Singular spectrum analysis highlights the 3-4 year ENSO mode in the monsoon indices, precipitation, and snow depth, explaining their high correlations. Projecting snow depth on ENSO shows long term variations explaining conflicting results obtained from correlations in short data sets. (C) 2010 Elsevier Ltd and INQUA. All rights reserved.
Subtype	Article
WOS Headings	Science & Technology ; Physical Sciences
WOS Subject Extended	Physical Geography ; Geology
WOS Keyword	LONG-TERM-MEMORY ; SUMMER MONSOON ; TIBETAN PLATEAU ; LAST MILLENNIUM ; LOW-FREQUENCY ; CHINA ; VARIABILITY ; ENSO ; MODEL ; RIVER
Indexed By	SCI
Language	英语
WOS Subject	Geography, Physical ; Geosciences, Multidisciplinary
WOS ID	WOS:000296414300009
Publisher	PERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type	期刊论文
Identifier	http://ir.igsnrr.ac.cn/handle/311030/68108
Collection	中国科学院地理科学与资源研究所
Corresponding Author	Blender, Richard
Affiliation	1.Univ Hamburg, Inst Meteorol, Hamburg, Germany 2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing, Peoples R China 3.Chinese Acad Sci, Grad Sch, Beijing, Peoples R China
Recommended Citation GB/T 7714	Blender, Richard,Zhu, Xiuhua,Zhang, Dan,et al. Yangtze runoff, precipitation, and the East Asian monsoon in a 2800 years climate control simulation[J]. QUATERNARY INTERNATIONAL,2011,244(2):194-201.
APA	Blender, Richard,Zhu, Xiuhua,Zhang, Dan,&Fraedrich, Klaus.(2011).Yangtze runoff, precipitation, and the East Asian monsoon in a 2800 years climate control simulation.QUATERNARY INTERNATIONAL,244(2),194-201.
MLA	Blender, Richard,et al."Yangtze runoff, precipitation, and the East Asian monsoon in a 2800 years climate control simulation".QUATERNARY INTERNATIONAL 244.2(2011):194-201.

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