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Relationship between the stratospheric quasi-biennial oscillation and the spring rainfall in the western North Pacific

Cited 18 time in Web of Science Cited 19 time in Scopus
Authors
Seo, Jihoon; Choi, Wookap; Youn, Daeok; Park, Doo-Sun R.; Kim, Jin Young
Issue Date
2013-11
Publisher
American Geophysical Union
Citation
Geophysical Research Letters, Vol.40 No.22, pp. 5949-5953
Keywords
자연과학
Description
©2013. American Geophysical Union. All Rights Reserved.
Abstract
The effects of the stratospheric quasi-biennial oscillation (QBO) on spring rainfall in the western North Pacific (WNP) are investigated using observational and reanalysis data for 1979-2012. After excluding the strong El Nino-Southern Oscillation events, composite analyses between opposite phases of the QBO are applied to the rainfall and related meteorological fields to show the differences in each QBO phase. In comparison with the easterly phase, during the westerly QBO, a midlatitude spring rainband extending from southeastern China to the east of the Japanese Islands is displaced southward, and thus, the spring rainfall over Korea and Japan exhibits a significant decrease. Such changes in the spring WNP rainfall are related to the location and intensity of the WNP subtropical high (WNPSH) and the East Asian jet (EAJ). The possible role of the QBO in modulating the WNPSH and the EAJ is discussed with regard to the strength of the Hadley circulation.
ISSN
0094-8276
Language
English
URI
https://hdl.handle.net/10371/93375
DOI
https://doi.org/10.1002/2013GL058266
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College of Natural Sciences (자연과학대학)Dept. of Earth and Environmental Sciences (지구환경과학부)Journal Papers (저널논문_지구환경과학부)
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