NDLI: Response of Asian summer monsoon to CO$

Content Provider	Springer Nature Link
Author	Zheng, Jian Liu, Qinyu Huang, Fei
Copyright Year	2011
Abstract	Based on simulations of the IPCC 20C3M and SRES A1B experiments in ten coupled models, the Asian summer monsoon (ASM) response to CO$_{2}$ doubling and the different responses among models are examined. Nine models show the similar results that the weakening of land-ocean thermal contrast caused by the CO$_{2}$ doubling contributes to a weaker large-scale ASM circulation. Further analysis in this study also shows that the major ASM components, such as the Somali cross-equatorial flow, the low level India-South China Sea monsoon trough, and the upper level tropical easterly jet stream, weaken as CO$_{2}$ doubles. However, the ASM rainfall increases as a result of the increased moisture from the warmer Indian Ocean and the South China Sea, and the enhanced northward moisture transport over the ASM region. For the response of enhanced northward moisture transport over South Asia, the positive contribution of moisture content increase in the Indian Ocean is dominant and the negative contribution of the weaker monsoon circulation is secondary at 850 hPa, but both have positive contribution to the total moisture transport along the East China coast. The paradox of the weaker ASM circulation and the increasing precipitation in CO$_{2}$ doubling is confirmed. It is found that strengthening of northward moisture transport could intensify the precipitation and atmospheric heat source over the north Arabian Sea and East China, and result in enhanced southwesterly at 850 hPa as global warming occurs. All ten models show significant enhanced southwesterly response over the north Arabian Sea, and six of them show enhanced southwesterly response along the East China coast.
Starting Page	210
Ending Page	218
Page Count	9
File Format	PDF
ISSN	16725182
Journal	Journal of Ocean University of China
Volume Number	10
Issue Number	3
e-ISSN	19935021
Language	English
Publisher	SP Science Press
Publisher Date	2011-07-27
Publisher Place	Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	CO$_{2}$ doubling IPCC 4th Assessment report Asian summer monsoon Oceanography
Content Type	Text
Resource Type	Article
Subject	Oceanography Ocean Engineering

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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