广州市雾与霾的天气和气候特征  

Synoptic and Climatic Analysis of Fog and Haze in Guangzhou

作　　者：周亚军[1] 刘燕[1] 

机构地区：[1]广州中心气象台,广东广州510080

出　　处：《广东气象》2008年第2期16-18,共3页Guangdong Meteorology

基　　金：广州中心气象台科研基金资助

摘　　要：利用广州市1974～2005年逐日4个时次的相对湿度、天气现象等气象要素资料,分析了广州市雾与霾的气候特征,并在此基础上利用NCEP/NCAR逐日850 hPa高度,U、V风以及地面气压资料,归纳出广州市雾与霾的典型天气形势,指出850 hPa西南低压的位置是决定出现雾或霾的关键因子。By use of the four - times - a - day data of relative humidity and other synoptic elements from Jan. 1, 1974 to Dec. 31, 2005, the climatic characteristics of fog, haze in Guangzhou and the related circulation ate analyzed. Based on the statistical results and the daily NCEP/NCAR data of 850 hPa height, wind and sea level pressure, the typical synoptic circulations of fog and haze are induced, and the location of the Southwest Low on 850 hPa is considered as the key factor for the occurrence of fog or haze.

关 键 词：环境气象学 雾 霾 环流形势 广州 

分 类 号：P468[天文地球—大气科学及气象学]