A FURTHER STUDY ON INTERACTION BETWEEN ANOMALOUS WINTER MONSOON IN EAST ASIA AND EL NINO*

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  • The interaction between anomalous winter monsoon in East Asia and El Nino is further studied in this paper.The new results still more proved a previous conclusion:there are clear interactions 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 atmospheric intraseasonal oscillation in the tropics,then excite the El Nino event through air-sea interction.In El Nino winter,there are warmer and weaker winter monsoons in East Asia.The El Nino will still reduce the intensity of intraseasonal oscillation and leads it to be barotropic structure.
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