| A FURTHER STUDY ON INTERACTION BETWEEN ANOMALOUS WINTER MONSOON IN EAST ASIA AND EL NINO |
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| 作者姓名： | 李崇银 |
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| 作者单位： | LASG Institute |
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| 基金项目： | This study is supported by the National Natural Science Foundation of China. |
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| 摘 要： | The interaction between anomalous winter monsoon in East Asia and El Nino is further stud-ied in this paper.The new results still more proved a previous conclusion:there are clear interac-tions between El Nino and winter monsoon in East Asia.The continual westerly burst andstronger cumulus convection over the equatorial central-western Pacific caused by stronger wintermonsoon in East Asia can respectively excite anomalous oceanic Kelvin wave and stronger atmo-spheric intraseasonal oscillation in the tropics,then excite the El Nino event through air-sea inter-action.In El Nino winter,there are warmer and weaker winter monsoons in East Asia.The El Ni-no will still reduce the intensity of intraseasonal oscillation and leads it to be barotropic structure.
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A FURTHER STUDY ON INTERACTION BETWEEN ANOMALOUS WINTER MONSOON IN EAST ASIA AND EL NINO |
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| Li Chongyin LASG.A FURTHER STUDY ON INTERACTION BETWEEN ANOMALOUS WINTER MONSOON IN EAST ASIA AND EL NINO[J].Acta Meteorologica Sinica,1996(3). |
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| Authors: | Li Chongyin LASG |
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| Institution: | Li Chongyin LASG,Institute of Atmospheric Physics,Chinese Academy of Sciences,Beijing 100080 |
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| Abstract: | The interaction between anomalous winter monsoon in East Asia and El Nino is further stud- ied in this paper.The new results still more proved a previous conclusion:there are clear interac- tions between El Nino and winter monsoon in East Asia.The continual westerly burst and stronger cumulus convection over the equatorial central-western Pacific caused by stronger winter monsoon in East Asia can respectively excite anomalous oceanic Kelvin wave and stronger atmo- spheric intraseasonal oscillation in the tropics,then excite the El Nino event through air-sea inter- action.In El Nino winter,there are warmer and weaker winter monsoons in East Asia.The El Ni- no will still reduce the intensity of intraseasonal oscillation and leads it to be barotropic structure. |
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| Keywords: | winter monsoon in East Asia El Nino interaction |
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