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广西沿海地区大范围雾气候特征与天气形势分析
引用本文:邓英姿,李勇,许文龙.广西沿海地区大范围雾气候特征与天气形势分析[J].气象研究与应用,2008,29(4):20-22.
作者姓名:邓英姿  李勇  许文龙
作者单位:1. 广西气象科技服务中心,广西,南宁530022
2. 防城港气象局,广西,防城港530022
摘    要:利用广西沿海地区7站多年的雾日、雾发生时间、雾维持时间及地面观测资料,统计分析该地区雾的气候特征。结果表明,该地区雾地理分布极不均匀;在多年雾日变化上,北海、防城和防港3站呈上升趋势,另4站则呈下降趋势;月际变化明显,12月至次年4月是雾的高发期;雾多发于6至12时且绝大部分雾的维持时间都在1h以上;雾最小能见度低至30m;总结了产生该地区大范围雾的五种天气形势,供短期预报参考。

关 键 词:  气候特征  天气形势

Climatic Characteristics of Fog and Analysis of the Synoptic Situation Field in the littoral of Guangxi
Deng Ying-zi,Li Yong,Qin Zhen-rong.Climatic Characteristics of Fog and Analysis of the Synoptic Situation Field in the littoral of Guangxi[J].Journal of Guangxi Meteorology,2008,29(4):20-22.
Authors:Deng Ying-zi  Li Yong  Qin Zhen-rong
Institution:Deng Ying-zi1,Li Yong1,Qin Zhen-rong2
Abstract:In terms of the fog observations such as the date,time,duration etc.from 7 weather stations in the littoral of Guangxi,the climatic characteristics of the fog were analyzed.The result shows that the temporal and spatial distribution characteristics of the fog is asymmetrical:(1)That the fog occurring in Beihai,Fangcheng and Fanggang increases with years,which different from the other 4 weather stations.(2)The fog concentrated occur from Dec.to the next Apr.,especially during 6Am and 12Am,with duration longer than 1 hour and minimal visibility less than 30m.(3) Five types of synoptic situation field were sum up to give more valuable referential information for the fog short-term forecast.
Keywords:fog  climatic characteristics  synoptic situation field
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