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长沙地区雾霾特征及影响因子分析

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张小红, 刘炼烨, 陈喜红. 长沙地区雾霾特征及影响因子分析[J]. 环境工程学报, 2014, 8(8): 3361-3366.
引用本文: 张小红, 刘炼烨, 陈喜红. 长沙地区雾霾特征及影响因子分析[J]. 环境工程学报, 2014, 8(8): 3361-3366.
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Zhang Xiaohong, Liu Lianye, Chen Xihong. Characteristics of fog/haze and its influencing factors in Changsha[J]. Chinese Journal of Environmental Engineering, 2014, 8(8): 3361-3366.
Citation: Zhang Xiaohong, Liu Lianye, Chen Xihong. Characteristics of fog/haze and its influencing factors in Changsha[J]. Chinese Journal of Environmental Engineering, 2014, 8(8): 3361-3366.
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长沙地区雾霾特征及影响因子分析

  • 1.

    长沙环境保护职业技术学院环境监测系, 长沙 410004

  • 2.

    湖南省气象台中短期预报科, 长沙 410118

  • 基金项目:

    长沙市科技局立项课题（K1303016-11）

  • 中图分类号: X831

Characteristics of fog/haze and its influencing factors in Changsha

  • 1.

    The Environmental Monitoring System of Changsha Environment Protection College, Changsha 410004, China

  • 2.

    The Short-Term Forecasting Branch of Hunan Province Meteorological Station, Changsha 410118, China

  • Fund Project:

  • 摘要: 根据长沙地区1970—2012年气象观测资料及环境监测数据，对近43年长沙雾霾特征及影响因子进行了分析。结果表明，长沙地区雾的年际变化具有显著的倒“U”型特征，霾整体上呈上升趋势；雾霾天气主要集中在秋冬季节，春夏季节较少；从空间分布来看，望城区（县）和宁乡县雾霾天气最多，浏阳市次之，长沙市区最少。在一次持续性雾霾天气过程中（10.2~10.12），相对湿度、PM2.5质量浓度与能见度呈现显著负相关，说明PM2.5质量浓度和相对湿度是雾霾天气形成的首要影响因子。
    Abstract: Based on meteorological observation data and environmental monitoring data of Changsha in the period from 1970 to 2012, we analyzed the characteristics and influencing factors of the fog/haze in Changsha. The results show that fog had obvious inverted "U" characteristic, haze is on the rise as a whole, and the fog/haze mainly concentrates in autumn and winter.From the view of spatial distribution, fog /haze had serious influence to Wangcheng County and Ningxiang County, but had the least influence to Urban District of Changsha. During the occurrence of the fog/haze, the relative humidity and the concentration of PM2.5 were significantly negatively correlated with visibility. Therefore, these factors are the main influencing factors of fog/haze.
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    [2] 李东海,何彩霞.浅谈雾霾天气的识别及预警策略.安徽农学通报,2011,17(18):165-166 Li Donghai, He Caixia. Discussions about identifications between haze and fog as well as warning strategies. Anhui Agricultural Science Bulletin,2011,17(18):165-166(in Chinese)
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  • 收稿日期:  2014-06-04
  • 刊出日期:  2014-07-31

长沙地区雾霾特征及影响因子分析

  • 1. 长沙环境保护职业技术学院环境监测系, 长沙 410004
  • 2. 湖南省气象台中短期预报科, 长沙 410118
  • 收稿日期:  2014-06-04
基金项目:

长沙市科技局立项课题（K1303016-11）

摘要: 根据长沙地区1970—2012年气象观测资料及环境监测数据，对近43年长沙雾霾特征及影响因子进行了分析。结果表明，长沙地区雾的年际变化具有显著的倒“U”型特征，霾整体上呈上升趋势；雾霾天气主要集中在秋冬季节，春夏季节较少；从空间分布来看，望城区（县）和宁乡县雾霾天气最多，浏阳市次之，长沙市区最少。在一次持续性雾霾天气过程中（10.2~10.12），相对湿度、PM2.5质量浓度与能见度呈现显著负相关，说明PM2.5质量浓度和相对湿度是雾霾天气形成的首要影响因子。

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