ENSO与南海台风活动的统计分析

A statistical analysis of typhoon activities over the South China Sea and ENSO

本文对厄尔尼诺年和反厄尔尼诺年的当年和来年,弱南方涛动和强南方涛动的当年和来年的南海台风(包括进入南海的西太平洋台风和南海生成的台风)活动进行了统计分析。结果表明,厄尔尼诺年当年南海台风偏少,来年南海台风偏多,来年9—11月最显著。此外,厄尔尼诺年在广东登陆的台风偏少,在广西登陆的偏多;反厄尔尼诺年相反。厄尔尼诺年来年7—9月登陆两广的台风、强台风偏多。统计资料还表明,厄尔尼诺年登陆我国的台风纬度偏南,反厄尔尼诺年偏北。反厄尔尼诺年来年登陆我国的台风纬度偏南。

In this paper, he relationship between typhoon activities over the Soath China Sea. and ENSO events is statistically analysed. The, results show that the frequency of typhoon appearance over the South China Sea is lower in the El Nino years, and higher in the following years.The anomales of typhoonactivities oceur mainly in Octo-her to November of the El Nino year, and September to November of the following year.