主办单位:中国气象局沈阳大气环境研究所
国际刊号:ISSN 1673-503X
国内刊号:CN 21-1531/P

气象与环境学报 ›› 2018, Vol. 34 ›› Issue (1): 52-60.doi: 10.3969/j.issn.1673-503X.2018.01.007

• 论文 • 上一篇    下一篇

2016年春节期间上海市空气质量分析

张欣1, 王体健2, 陈璞珑2   

  1. 1. 上海中心气象台, 上海 200030;
    2. 南京大学大气科学学院, 江苏 南京 210093
  • 收稿日期:2016-10-31 修回日期:2017-03-07 出版日期:2018-02-28 发布日期:2018-02-28
  • 作者简介:张欣,女,1985年生,工程师,主要从事天气预报和大气环境研究,E-mail:jingshuiliushen784@126.com。
  • 基金资助:
    国家重点研究发展计划(2016YFC0203303)和上海气象科技联合中心项目(LHZX201602)共同资助。

Air quality analysis in Shanghai during the Spring Festival of 2016

ZHANG Xin1, WANG Ti-jian2, CHEN Pu-long2   

  1. 1. Shanghai Central Meteorological Observatory, Shanghai 200030, China;
    2. School of Atmospheric Sciences, Nanjing University, Nanjing 210093, China
  • Received:2016-10-31 Revised:2017-03-07 Online:2018-02-28 Published:2018-02-28

摘要: 本文对2016年春节期间(2月7-13日)上海市空气质量及其成因进行了分析,并与2014年和2015年同期空气质量进行对比。结果表明:2016年春节期间上海市空气质量以优良为主,仅正月初一受除夕夜烟花爆竹燃放及不利大气扩散条件的影响,为三级轻度污染;通过对春节期间气象条件、后向轨迹及全国污染分布分析可知,除夕夜上海市大气扩散条件较差,有利于污染物在本地累积,另外上游地区污染物向本地输送也是造成2016年上海市除夕夜空气污染的主要原因之一;通过对比分析上海市烟花禁燃区域内外PM2.5小时浓度的变化及PM2.5浓度差值的绝对值可知,烟花禁燃对污染排放具有一定的控制作用。通过对2014-2016年春节期间上海市PM2.5浓度的分析可知,总体2016年春节期间细颗粒物PM2.5污染明显低于2014年同期,与2015年同期相比2016年春节期间空气质量具有PM2.5峰值浓度低且污染持续时间短等特点,春节期间由于停产和停工使排放源减少,因此对上海市空气质量的改善效果明显。

关键词: 空气质量, 烟花爆竹, 霾, PM2.5, 春节期间

Abstract: The characteristics and their causes of air quality in Shanghai during the Spring Festival in 2016 were analyzed and compared with the air quality during the same period in 2014 and 2015.The results show that the air quality in most days during the Spring Festival in 2016 is good,but light pollution with the three level of air pollution occur on the New Year Eve due to the burning of fireworks and the unfavorable synoptic condition.Based on the meteorological condition,back trajectory analysis,and pollution distribution in China,it is concluded that the unfavorable atmospheric dispersion conditions on the New Year Eve in 2016 helps the accumulation of pollutants in the local area.In addition,the transport of pollutants from upstream area is also the major cause of air pollution in Shanghai.The variation of hourly PM2.5 concentration within and outside the ban region of fireworks and their absolute difference values demonstrate that the fireworks forbidden control the pollutant emissions at a certain degree.In a comparison of PM2.5 concentration during Chinese New Year period from 2014 to 2016,PM2.5 pollution in 2016 is significantly less than that in 2014 and has lower PM2.5 peak concentration and shorter pollution duration than 2015.The reduction of emission sources due to the close of works and decrease of motor vehicles on road during the Spring Festival period has a positive impact on air quality.

Key words: Air quality, Firework, Haze, PM2.5, The Spring Festival period

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