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福建沿海城市霾天气特征

郑秋萍 林长城 王宏 陈晓秋 余永江

郑秋萍, 林长城, 王宏, 陈晓秋, 余永江. 福建沿海城市霾天气特征[J]. 环境科学研究, 2012, 25(12): 1311-1318.
引用本文: 郑秋萍, 林长城, 王宏, 陈晓秋, 余永江. 福建沿海城市霾天气特征[J]. 环境科学研究, 2012, 25(12): 1311-1318.
ZHENG Qiu-ping, LIN Chang-cheng, WANG Hong, CHEN Xiao-qiu, YU Yong-jiang. Characteristics of Hazy Weather in Coastal Cities in Fujian Province[J]. Research of Environmental Sciences, 2012, 25(12): 1311-1318.
Citation: ZHENG Qiu-ping, LIN Chang-cheng, WANG Hong, CHEN Xiao-qiu, YU Yong-jiang. Characteristics of Hazy Weather in Coastal Cities in Fujian Province[J]. Research of Environmental Sciences, 2012, 25(12): 1311-1318.

福建沿海城市霾天气特征

基金项目: 国家环境保护公益性行业科研专项(201009004);福建省科技厅重点项目(2012Y0009)

Characteristics of Hazy Weather in Coastal Cities in Fujian Province

  • 摘要: 利用2006年1月—2010年12月福建省沿海6个城市的能见度、相对湿度、降水、天气形势和大气污染物资料,对霾天气时空变化特征、霾与天气形势的关系进行了分析. 结果表明:宁德市每年霾日数最少,为12~26 d;漳州市霾日数最多,为74~118 d;而福州、厦门和泉州三市的霾日数相近.6个城市霾天气主要出现在12月—次年6月,7—11月霾的出现率极低且均以轻微霾为主,所占比例在85.5%以上;持续时间短暂的霾较多,半天和全天的霾较少. 在暖区辐合、高空槽和变性冷高压3种天气形势下霾出现频率均较高,分别达到21.2%~49.5%、9.1%~42.3%、6.1%~47.5%. ρ(PM10)与能见度的相关系数最高,为-0.44~-0.33,并且各城市霾天气下的ρ(PM10)均明显高于非霾天气;ρ(SO2)除莆田市外,ρ(NO2)除漳州市外,其他城市ρ(SO2)和ρ(NO2)均为霾天气高于非霾天气.

     

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出版历程
  • 收稿日期:  2012-07-11
  • 修回日期:  2012-10-31
  • 刊出日期:  2012-12-25

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