JIAO Yan1，2 ， TAO Jun3 ， FU Gang1 ，ZHANG Renjian2 ， CHENG Tiantao4 ， LENG Chunpeng4
（1. College of Physical and Environmental Oceanography， Ocean University of China， Qingdao 266100； 2. Institute of Atmosphere Physics， Chinese Academy of Sciences， Beijing 100029； 3. South China Institute of Environmental Sciences， Ministry Environmental Protection，Guangzhou 510655； 4. Department of Environmental Science and Engineering， Fudan University， Shanghai 200433， China ）
Abstract：
A typical air pollution process in Shanghai from April 14 to 15，2011 was investigated by a variety of observational data. The development mechanism， pollutant source and evolution process of aerosol vertical distribution were analyzed. The results show that the daily concentrations of PM2.5 on April 14， 15 are 78.9 and 115.9 μg/m3 ， respectively. This pollution period has an air quality grade worse than the Chinese air quality standard II of PM2.5. The pollution process is formed by pollutants accumulation due to stable synoptic situation and ended by short-term precipitation and cold air from the northwest. Pollutants come from local and southwest Shanghai. Vertical distribution of aerosol extinction coefficient in boundary layer in pollution period is much larger than that in non-pollution period.
Key words： air pollution； aerosol ； vertical distribution； extinction coefficient
CLC No:X513 Type Code: A
Serial No:1008-5548（2013）01-0001-06
DOI：10.3969/j.issn.1008-5548.2013.01.001
Received:2012-07-24.Revised:2012-09-21.
First Author:焦艳（1987—），女，硕士研究生，研究方向为大气环境。 电话：13573888867，E-mail: jiaoyan87@163.com。
Corresponding Author:陶俊（1979—），男，博士，高级工程师，研究方向为大气环境。 电话：020-85529552，E-mail: taojun@scies.org。
