| 广州灰霾现象特征分析 |
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| 引用本文： | 刘永红,冯 婷,蔡 铭.广州灰霾现象特征分析[J].环境科学研究,2011,24(10):1081-1087. |
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| 作者姓名： | 刘永红 冯 婷 蔡 铭 |
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| 作者单位： | 1.中山大学智能交通研究中心, 广东 广州 510275 |
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| 摘 要： | 依据灰霾的发布和判定依据，对中山大学大气环境自动监测站的能见度、风速、相对湿度和ρ(PM2.5)等观测数据进行分析，分析其随时间变化的规律和相关性，得出近年来广州灰霾变化规律和多类特征. 结果表明:近年来广州整体灰霾现象有所改善，且主要呈现非夏季和夏季2种典型季节性特征. 非夏季灰霾具有持续时间长、状态稳定和风力突破性强等特点；夏季灰霾具有持续期短、状态变化快，ρ(PM2.5)与能见度的曲线图镜像对称明显等规律；灰霾现象与城市空气质量有密切的关系，且API大于100的时间与较严重灰霾日的分布相似.
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| 关 键 词： | 灰霾 季节性特征 非夏季 夏季 空气质量 |
| 收稿时间： | 2011/1/22 0:00:00 |
| 修稿时间： | 2011/3/30 0:00:00 |
Characteristics of the Haze Phenomenon in Guangzhou |
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| LIU Yong-hong,FENG Ting and CAI Ming.Characteristics of the Haze Phenomenon in Guangzhou[J].Research of Environmental Sciences,2011,24(10):1081-1087. |
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| Authors: | LIU Yong-hong FENG Ting and CAI Ming |
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| Institution: | 1.Research Center of Intelligent Transportation Systems, Sun Yat-sen University, Guangzhou 510275, China2.Research Center of Intelligent Transportation Systems, Sun Yat-sen University, Guangzhou 510276, China3.Research Center of Intelligent Transportation Systems, Sun Yat-sen University, Guangzhou 510277, China |
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| Abstract: | Data on visibility,wind speed,relative humidity,mass concentration of PM2.5 and other observational parameters from the atmospheric environment automatic monitoring station located in Sun Yat-sen University in Guangzhou were analyzed according to the criteria for haze determination.Variation with time and correlation of these parameters were analyzed,and the variation rules and multiclass characteristics of haze in Guangzhou were obtained.The results show that the appearance of haze was reduced in recent ye... |
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| Keywords: | haze seasonal characteristics non-summer summer air quality |
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