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DOI10.1016/j.accre.2022.01.001
Asian summer monsoon responses to the change of land-sea thermodynamic contrast in a warming climate: CMIP6 projections
WU, Qing-Yuan; LI, Qing-Quan; DING, Yi-Hui; SHEN, Xin-Yong; ZHAO, Meng-Chu; ZHU, Yu-Xiang
发表日期2022
ISSN1674-9278
起始页码205
结束页码217
卷号13期号:2页码:13
英文摘要It is of practical significance to use the updated Coupled Model Intercomparison Project Phase 6 (CMIP6) models to study the impact of changes in land-sea thermodynamic contrast (TC) on the Asian summer monsoon under different scenarios and to compare the similarities and differences of the impact mechanisms between different monsoon regions. In this study, we investigated future changes of the Asian summer monsoon under four Shared Socioeconomic Pathway (SSP) scenarios using 19 CMIP6 models. The intensity of the South Asian summer monsoon (SASM) is projected to decrease by 2.6%, 6.3%, 10.1%, and 11.1%, while the East Asian summer monsoon (EASM) intensity is projected to increase by 4.6%, 7.9%, 7.4%, and 9.8% until the end of the 21st century for SSP126, SSP245, SSP370, and SSP585 scenarios, respectively. Moreover, summer precipitation in Asia is projected to increase remarkably in 2015-2099 under all four scenarios. The inconsistent warming trends over the Tibetan Plateau (TP), Northwest Pacific, and tropical Indian Ocean would greatly impact the monsoon circulations. The upper-troposphere warming trend over the surrounding oceans is remarkably greater than that over the TP, while the near-surface warming trend over the surrounding oceans is smaller than that over the TP. The decrease of upper-troposphere TC between the TP and tropical Indian Ocean results in a weakening of the SASM circulation. The enhancement of the lower-troposphere TC between the TP and Northwest Pacific would strengthen the EASM circulation. Moisture budget analysis shows that the water-vapor would increase in the future, which would thermodynamically enhance summer precipitation through the anomalous vertical moisture transport associated with mean flow. The strengthening of the meridional circulation of the EASM would increase monsoon precipitation, while the weakening of zonal circulation of the SASM would dynamically reduce South Asian summer precipitation.
英文关键词South Asian summer monsoon; East Asian summer monsoon; Land-sea thermodynamic contrast; Global warming; CMIP6 projection
学科领域Environmental Sciences; Meteorology & Atmospheric Sciences
语种英语
WOS研究方向Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS记录号WOS:000777105900007
来源期刊ADVANCES IN CLIMATE CHANGE RESEARCH
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/273976
作者单位Nanjing University of Information Science & Technology; China Meteorological Administration; Southern Marine Science & Engineering Guangdong Laboratory; Southern Marine Science & Engineering Guangdong Laboratory (Zhuhai); China Meteorological Administration
推荐引用方式
GB/T 7714
WU, Qing-Yuan,LI, Qing-Quan,DING, Yi-Hui,et al. Asian summer monsoon responses to the change of land-sea thermodynamic contrast in a warming climate: CMIP6 projections[J],2022,13(2):13.
APA WU, Qing-Yuan,LI, Qing-Quan,DING, Yi-Hui,SHEN, Xin-Yong,ZHAO, Meng-Chu,&ZHU, Yu-Xiang.(2022).Asian summer monsoon responses to the change of land-sea thermodynamic contrast in a warming climate: CMIP6 projections.ADVANCES IN CLIMATE CHANGE RESEARCH,13(2),13.
MLA WU, Qing-Yuan,et al."Asian summer monsoon responses to the change of land-sea thermodynamic contrast in a warming climate: CMIP6 projections".ADVANCES IN CLIMATE CHANGE RESEARCH 13.2(2022):13.
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