globalchange  > 过去全球变化的重建
DOI: 10.1007/s00382-015-2841-5
Scopus记录号: 2-s2.0-84945275123
论文题名:
Global monsoon change during the Last Glacial Maximum: a multi-model study
作者: Yan M.; Wang B.; Liu J.
刊名: Climate Dynamics
ISSN: 9307575
出版年: 2016
卷: 47, 期:2017-01-02
起始页码: 359
结束页码: 374
语种: 英语
英文关键词: CMIP5 ; External forcing ; Global monsoon ; Last Glacial Maximum ; PMIP3
英文摘要: Change of global monsoon (GM) during the Last Glacial Maximum (LGM) is investigated using results from the multi-model ensemble of seven coupled climate models participated in the Coupled Model Intercomparison Project Phase 5. The GM changes during LGM are identified by comparison of the results from the pre-industrial control run and the LGM run. The results show (1) the annual mean GM precipitation and GM domain are reduced by about 10 and 5 %, respectively; (2) the monsoon intensity (demonstrated by the local summer–minus–winter precipitation) is also weakened over most monsoon regions except Australian monsoon; (3) the monsoon precipitation is reduced more during the local summer than winter; (4) distinct from all other regional monsoons, the Australian monsoon is strengthened and the monsoon area is enlarged. Four major factors contribute to these changes. The lower greenhouse gas concentration and the presence of the ice sheets decrease air temperature and water vapor content, resulting in a general weakening of the GM precipitation and reduction of GM domain. The reduced hemispheric difference in seasonal variation of insolation may contribute to the weakened GM intensity. The changed land–ocean configuration in the vicinity of the Maritime Continent, along with the presence of the ice sheets and lower greenhouse gas concentration, result in strengthened land–ocean and North–South hemispheric thermal contrasts, leading to the unique strengthened Australian monsoon. Although some of the results are consistent with the proxy data, uncertainties remain in different models. More comparison is needed between proxy data and model experiments to better understand the changes of the GM during the LGM. © 2015, The Author(s).
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/53644
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作者单位: Key Laboratory of Virtual Geographic Environment of Ministry of Education and State Key Laboratory Cultivation Base of Geographic Environment Evolution of Jiangsu Province, School of Geography Science, Nanjing Normal University, 1 Wenyuan Road, Nanjing, China; Jiangsu Center for Collaborative Innovation in Geographical Information Resource Development and Application, Nanjing, China; Department of Atmospheric Sciences, International Pacific Research Center, University of Hawaii at Manoa, Honolulu, HI, United States; Earth System Modeling Center, Nanjing University of Information Science and Technology, Nanjing, China

Recommended Citation:
Yan M.,Wang B.,Liu J.. Global monsoon change during the Last Glacial Maximum: a multi-model study[J]. Climate Dynamics,2016-01-01,47(2017-01-02)
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