济南市雾霾特征分析

Feature Analysis of Haze Characteristics in Jinan

利用1961-2013年济南市6个地面气象观测站的气象观测资料,分析了济南市雾霾的变化规律和分布特征。结果表明:全市大雾日数随年代变化总体上都呈波动下降的趋势,全市霾日数随年代变化呈"升-降-升"的趋势;全市各站大雾日数最多出现在冬季,其次是秋季,最少出现在春季;全市各站霾日数最多出现在冬季,其次是秋季,最少出现在夏季;大雾最多出现在黄河以北的济阳,最少出现在东部章丘;霾最多出现在市区,最少出现在黄河以北的济阳。

Using the observation data from six surface meteorological stations of Jinan from 1961 to 2013,the change regularity and distribution characteristics of fog and haze in Jinan have been discussed. The results show that,it tends to be a wavelike decrease in the past decades that the days of fog in a year during the whole city,and the trend of haze is rise-drop-rise. The days of fog in winter is more than all the other seasons in all stations,followed by autumn,and the fewest is spring; for the days of haze,winter and autumn are the first two seasons,and the fewest is summer. For the distribution character of fog,it is Jiyang Station in the north of the Yellow Rive that the most frequently appeared,and the fewest is Zhangqiu Station in the eastern Jinan; for haze,the most is urban district station and the fewest is Jiyang Station.