| On the Onset of the South China Sea Summer Monsoon in 1998 |
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| 作者姓名： | Li Chongyin Wu Jingbo |
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| 作者单位： | LASG，Institute of Atmospheric Physics，Chinese Academy of Sciences，Beijing 100080 |
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| 基金项目： | the State Key Project for Research-u The South Chian Sea MonsoonExperiment", !CAS (KZ95 1-B I-408) and CNSF (49823002). |
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| 摘 要： | 1.IntroductionChinesescientistshavepointedoutsincethe1980sthattheAsiansummermonsooniscomposedoftheSouthAsian(Indian)monsoonsystemandtheEastAsianmonsoonsystem,whichhavetheirparticularcharacteristicsrespectivelybutalsointeractoneachother;andtheAsiansummermonsoonbreaksoutintheSouthChinaSea(SCS)regionatfirst,thenspreadsnorthwestwardandnorthwardrespectively,finallytheSouthAsiansummermonsoonandtheEastAsiansummermonsoonaresetup(TaoandChen,1987;JinandChen,1985;Zhuetal.,1986).Muchattentionhasbe…
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| 收稿时间： | 7 May 1999 |
On the onset of the south china sea summer monsoon in 1998 |
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| Li Chongyin,Wu Jingbo.On the Onset of the South China Sea Summer Monsoon in 1998[J].Advances in Atmospheric Sciences,2000,17(2):193-204. |
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| Authors: | Li Chongyin Wu Jingbo |
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| Institution: | LASG; Institute of Atmospheric Physics; Chinese Academy of Sciences; Beijing 100080,LASG; Institute of Atmospheric Physics; Chinese Academy of Sciences; Beijing 100080 |
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| Abstract: | Through analyzing the NCEP/NCAR reanalysis data, the satellite observational data and the ATLAS-2 mooring buoy observational data, it is shown that May 21 is the onset data of the South China Sea summer monsoon in 1998. There were abrupt variations in the general circulation pattern at the lower troposphere and the upper troposphere, in upper jet stream location and in the convection and rainfall over the South China Sea region corresponding to the outbreak of the South China Sea summer monsoon. It is also indicated that there was rainfall in the southern China coastal region before onset of summer monsoon, but it resulted from the (cold) front activity and cannot be regarded as the sign of summer monsoon outbreak in the South China Sea. |
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| Keywords: | Onset South China Sea summer monsoon General circulation pattern Jet stream Convection |
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