近60年百色市大雾天气变化特征分析  

Analysis of heavy foggy weather characteristics in Baise City in the past 60 years

作　　者：黄荟[1] 唐明松[1] 黄桂珍[1] 杨再位 Huang Hui;Tang Mingsong;Huang Guizhen;Yang Zaiwei(Baise Meteorological Bureau,Baise Guangxi 533000)

机构地区：[1]百色市气象局,广西百色533000

出　　处：《气象研究与应用》2020年第2期35-38,共4页Journal of Meteorological Research and Application

基　　金：百色市旅游景区气象灾害防御体系建设研究(20192130)。

摘　　要：利用1960-2019年百色国家基本气象站大雾观测资料,运用五年滑动平均值法等方法分析了近60a来百色市大雾天气气候趋势变化特征。结果表明,百色市大雾主要出现时间在20时至翌日08时,消散时间一般在09时至11时左右;年平均大雾日数为10.9d,11月至次年2月为大雾天气多发期,占全年76%,其中以12月份为最多;大雾日数在20世纪60年代至90年代中期呈现波动上升趋势,90年代中期至21世纪10年代呈波动减少趋势。Based on the fog observation data at Baise national basic meteorological station from 1960 to 2019,the foggy weather characteristics and climate change in recent 60 years in Baise City were analyzed by using the five-year moving average method.The results showed that the main occurrence time of heavy fog in Baise was from 8 pm to 8 am,and the dissipation time was generally from 9 am to 11 am;the annual average heavy fog day was 10.9d,and November to February was the most frequent period of heavy fog weather,accounting for 76%of the whole year,of which December is the most;the number of foggy days showed a rising trend of fluctuations from the 60s to the mid-90s of the 20th century,and showed a decreasing trend from the mid-90s to the 10s of the 21st century.

关 键 词：桂西山区 大雾日数 气候变化 五年滑动平均值法 

分 类 号：P468.O28[天文地球—大气科学及气象学]