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福州区域雾霾天气时空分布特征分析
引用本文:叶光营,吴毅伟,刘必桔.福州区域雾霾天气时空分布特征分析[J].环境科学与技术,2010,33(10).
作者姓名:叶光营  吴毅伟  刘必桔
摘    要:利用1968~2007年共40年的福州区域9个气象站的历史地面观测资料,分析雾霾天气的时间分布特征及其原因。结果表明:40年间,福州区域雾日最多的是永泰站,轻雾日最多的是福州站,霾日数最多的是福清站;福州区域40年来雾日数有减少趋势,而轻雾和霾日数有增多趋势,对比前后20年的雾霾日数分布,福清、福州、闽侯3个站的霾日数出现异常增多;雾日数和霾日数具有明显的季节性变化,雾主要出现在12月~翌年6月的冬春季节,霾主要出现在10月~翌年4月的秋冬春季节,轻雾日数的季节性变化不明显。

关 键 词:    时空分布

Spatial and Temporal Distribution Characteristics of Fog and Haze in Fuzhou
YE Guang-ying,WU Yi-wei,LIU Bi-ju.Spatial and Temporal Distribution Characteristics of Fog and Haze in Fuzhou[J].Environmental Science and Technology,2010,33(10).
Authors:YE Guang-ying  WU Yi-wei  LIU Bi-ju
Abstract:The spatial and temporal distribution characteristics and causes of fog/haze were analyzed based on the surface observed data of nine stations in Fuzhou area from 1968 to 2007. Results show that the maximum foggy day appears in Yongtai Station,the maximum misty day appears in Fuzhou Station,and the maximum hazy day appears in Fuqing Station. The number of foggy day decreased,while the misty day and hazy day increased during last 40 years. To compare the number of foggy/hazy day during last 20 years,the number of hazy day in Fuqing,Fuzhou and Minhou Stations abnormally increased. An obvious seasonal variation appeared that the fog mainly appeared from December to next June,the haze mainly appeared from October to next April,but seasonal variation of the misty day was not obvious.
Keywords:fog  haze  spatial and temporal distribution
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