IGGCAS OpenIR  > 新生代地质与环境院重点实验室
The role of Central Asian uplift in East Asian Monsoon circulation and its palaeoclimate implication
Zoura, D.1; Haywood, A. M.1; Hill, D. J.1; Dolan, A. M.1; Tang, Z.2
2020
Source PublicationGLOBAL AND PLANETARY CHANGE
ISSN0921-8181
Volume184Pages:8
AbstractIt has been clearly established that the climate of Asia is significantly affected by high-elevation orogens such as the Tibetan Plateau, Mongolian Plateau and Tian-Shan. The East Asian Monsoon (EAM), one of the most prominent features of Asian climate, has been well studied in a modem context and its dynamics are generally well understood. However, specific features of the EAM are less studied and understood in a palaeoclimate context, largely because of associated uncertainties in palaeotopography for the Cenozoic era. Here, we investigate changes in the individual stages of the EAM in response to increasing topography over Central Asia. We perform a series of sensitivity experiments with different palaeogeographic elevations using a coupled ocean-atmosphere General Circulation Model (HadCM3), to investigate seasonal variability of the EAM, and investigate the emergent critical threshold in elevation where the patterns of atmospheric circulation and climate over Asia attains the characteristics observed in the modem climate system. Our results indicate that above an elevation threshold of 3000 m, EAM circulation follows the modem pattern, but below that threshold, EAM circulation and precipitation follow a distinctly different pattern, where the westerly jet does not propagate into the higher latitudes and monsoonal precipitation is limited to June and July. This shift in circulation pattern has important implications for the successful interpretation of proxy-based palaeoclimate and environmental reconstructions. In addition, our results emphasize the importance of the latitudinal position of high-elevation on the EAM circulation, by showing that low-elevation can produce modem-like EAM conditions, if located at different latitudes than modern.
KeywordEast Asian Monsoon Uplift Climate Monsoonal precipitation
DOI10.1016/j.gloplacha.2019.103073
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS KeywordNORTHERN TIBETAN PLATEAU ; GENERAL-CIRCULATION ; MONGOLIAN PLATEAU ; CLIMATE ; EVOLUTION ; IMPACT ; CONSTRAINTS ; SEASONALITY ; SIMULATION ; EOCENE
Language英语
Funding ProjectStrategic Priority Research Program of the Chinese Academy of Sciences[XDB26020401] ; National Natural Science Foundation of China[41472151]
Funding OrganizationStrategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Strategic Priority Research Program of the Chinese Academy of Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China
WOS Research AreaPhysical Geography ; Geology
WOS SubjectGeography, Physical ; Geosciences, Multidisciplinary
WOS IDWOS:000508491500015
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/95903
Collection新生代地质与环境院重点实验室
Corresponding AuthorZoura, D.
Affiliation1.Univ Leeds, Sch Earth & Environm, Woodhouse Lane, Leeds LS2 9JT, W Yorkshire, England
2.Chinese Acad Sci, Inst Geol & Geophys, Key Lab Cenozo Geol & Environm, Beijing 100029, Peoples R China
Recommended Citation
GB/T 7714
Zoura, D.,Haywood, A. M.,Hill, D. J.,et al. The role of Central Asian uplift in East Asian Monsoon circulation and its palaeoclimate implication[J]. GLOBAL AND PLANETARY CHANGE,2020,184:8.
APA Zoura, D.,Haywood, A. M.,Hill, D. J.,Dolan, A. M.,&Tang, Z..(2020).The role of Central Asian uplift in East Asian Monsoon circulation and its palaeoclimate implication.GLOBAL AND PLANETARY CHANGE,184,8.
MLA Zoura, D.,et al."The role of Central Asian uplift in East Asian Monsoon circulation and its palaeoclimate implication".GLOBAL AND PLANETARY CHANGE 184(2020):8.
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