Interannual variation of the east Asian cold surge activity

Tsing Chang Chen, Wan Ru Huang, Jin Ho Yoon

研究成果: 雜誌貢獻文章

50 引文 斯高帕斯(Scopus)


The occurrence frequency of the east Asian cold surge exhibits an interannual variation in concert with the El Niño-Southern Oscillation (ENSO) cycle. That is, the cold surge occurs more (less) frequently during warm (cold) ENSO winters. Because the cold surge high-low dipoles are coupled with the upper-level synoptic short waves, any mechanism modulating the activity of these waves would affect the cold surge activity. The streamfunction budget analysis in the short-wave regime indicates that the development of the cold surge short-wave train over east Asia and the northwest Pacific is modulated by the North Pacific ENSO short-wave train. Due to the coupling between the upper-level cold surge short-wave train and the surface cold surge dipole, it is inferred from this streamfunction budget analysis that the interannual variation of the cold surge occurrence frequency is a result of this modulation.

頁(從 - 到)401-413
期刊Journal of Climate
出版狀態已發佈 - 2004 一月 15

ASJC Scopus subject areas

  • Atmospheric Science

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