摘要
本文应用IAP9 AGCMⅡ九层大气环流数值模式 ,通过数值试验 ,研究了降水对热带西南太平洋SSTA(海温异常 )的响应。结果表明 :海温正异常下 ,夏季北半球热带中太平洋降水明显偏多 ;我国东部地区降水正常或偏多。海温负异常下 ,夏季赤道中太平洋降水偏少 ,我国大部地区降水正常或略偏少。当该区域SST异常时 ,从总体看降水对该异常响应最敏感的地区为北半球热带中太平洋、我国华中和西南、孟加拉湾和中南半岛。
Based on the model IAP9-AGCMⅡ,the effects of the sea surface temperature anomaly (SSTA) in Tropical Southwest Pacific Ocean on precipitation are numerically studied. The results are indicated that when the positive SSTA takes place,in summer,the precipitation increases evidently in the tropical mid-Pacific of North Hemisphere,it is normal or increases in Eastern China. When the negative SSTA takes place,in summer,the precipitation decreases evidently in the equatorial mid-Pacific. It is normal or decreases universally in China. In short,the best sensitive place for the SSTA in Tropical Southwest Pacific Ocean is the tropical mid-Pacific of North Hemisphere ,Southwest and Central China ,Bay of Bengal and Indo-Chinese peninsula
出处
《气象科学》
CSCD
北大核心
2004年第2期154-160,共7页
Journal of the Meteorological Sciences
基金
国家重点基础研究发展规划项目 (编号G19980 4 0 90 0 )
国家自然科学重点基金 4 0 2 330 2 7资助
关键词
数值试验
海温异常
热带西南太平洋
Numerical experiment SSTA Tropical Southwest Pacific Ocean
