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NUMERICAL EXPERIMENT WITH PROCESSES FOR EFFECT OF AUSTRALIAN COLD AIR ACTIVITY ON EAST-ASIAN SUMMER MONSOON
被引：6
作者：
何金海
李俊
李永平
机构：
[1] Lianyungang Weather Station of Salt Industry
[2] Nanjing Institute of Meteorology Nanjing
[3] Jiangsu Province
基金：
中国国家自然科学基金;
关键词：
NUMERICAL EXPERIMENT WITH PROCESSES FOR EFFECT OF AUSTRALIAN COLD AIR ACTIVITY ON EAST-ASIAN SUMMER MONSOON;
Asia;
Bay;
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学科分类号：
摘要：
Based on diagnostic results,a numerical study is made of the processes of Australian cold air activityaffecting East Asian summer monsoon by using Kuo-Qian P-σ incorporated coordinate five-layer primitiveequation spherical band model.Analysis is done of the response to the Southern Hemisphere circulationwith and without cold air activity in Australia of the flow,rainfall and diabatic heating fields in the monsoonarea of Asia,especially,East Asia,with special attention to the intensification and northward march of themonsoon due to the activity.It is found that the processes for the effect transmission are very analogous tothe meridional propagation of quasi-40-day oscillation,together with the meridional wind disturbance showingsouth-north travel and the flow/rainfall fields exhibitirg corresponding movement in this direction,only witha 12-day lag.
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页码：51 / 59
页数：9
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