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中文摘要: 利用NCEP/NCAR再分析资料和OLR资料,研究了1998年我国东部大陆夏季风的特征。结果指出,1998年夏季副高脊线的平均位置偏南,华南地区和长江流域的夏季风较强,强对流维持时间长;华北地区的夏季风较弱,对流比常年偏弱;我国东部大陆夏季风存在明显的低频振荡现象。
中文关键词: 夏季风,副高,对流,低频振荡
Abstract:Based on NCEP/NCAR reanalysis data and NOAA OLR data,the features of summer monsoon of 1998 in the eastern China are investigated.Results show that average location of subtropical ridge in 1998 is in the south of secular average position, summer monsoon is stronger with long time strong convection activity in South China and Yangtze River Basins,weak summer monsoon and convection in North China. LFO (low-frequency oscillation) is obvious in Eastern China.
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基金项目:国家自然科学基金(49975105),中国气象科学研究院博士基金,博士后科研启动基金项目资助
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引用文本:
徐国强,朱乾根,2002.1998年我国东部大陆夏季风特征研究[J].气象,28(3):8-13.
,2002.Study of Summer Monsoon Features of 1998 in Eastern China[J].Meteor Mon,28(3):8-13.
徐国强,朱乾根,2002.1998年我国东部大陆夏季风特征研究[J].气象,28(3):8-13.
,2002.Study of Summer Monsoon Features of 1998 in Eastern China[J].Meteor Mon,28(3):8-13.