【作者】 白志鹏； 董海燕； 蔡斌彬； 朱坦； 姚学祥；

【Author】 Zhipeng Bai Haiyan Dong Binbin Cai Xuexiang Yao College of Environmental Sciences and Engineering, Nankai University Tianjin 300071 State Environmental Protection Key Laboratory of Urban Ambient Air Particulate Matter Pollutionand Control Tianjin Institute of Meteorology Urban and Regional Atmospheric Environment Joint Laboratory

【机构】 南开大学环境科学与工程学院； 国家环境保护城市空气颗粒物污染防治重点实验室；

【摘要】 灰霾是一种气溶胶和气体污染造成的城市和区域性污染现象。对视觉空气质量以及人体健康造成很大影响。本文针对灰霾引起的能见度下降的原因、机理等进行阐述,并对能见度的测量方法、灰霾国内外研究进展及其治理措施进行了介绍,最后提出了几个灰霾问题的研究方向。更多还原

【Abstract】 With the development of civilization, visibility in most of the urban areas comes to be a big problem. The reason and mechanism that attribute to haze are discussed. The main factor which causes haze can be divided into two aspects: environmental pollution factor and meteorological factor. Visibility can be calculated from measurement of atmospheric chemical components. The latest policy in the US is introduced as well.更多还原