苏州市沙尘天气下灰霾污染规律研究  

Study on Sand Storm Pollution in Suzhou

作　　者：张晓华[1] 邹强[1] 王雅玲[1] 丁黄达[1] 

机构地区：[1]苏州市环境监测中心,江苏苏州215004

出　　处：《环境科学与管理》2015年第3期9-13,共5页Environmental Science and Management

基　　金：苏科协[2013]43号2013B20苏州灰霾天气长效防控治理机制研究

摘　　要：结合2010年苏州市出现的一次典型沙尘天气,利用环境空气自动监测数据、气象观测数据及后向轨迹模型等资料,对此次沙尘污染过程进行分析,探究苏州沙尘天气下灰霾污染的规律。结果表明:苏州沙尘天气主要是北方冷空气活动频繁,高空维持较强西北气流造成沙尘颗粒物长程传输造成的;沙尘影响过程中环境空气中可吸入颗粒物浓度明显升高,其他灰霾特征污染物也有所增长,大气能见度降低并伴随城市灰霾现象发生。The paper presents the typical sand storm pollution process occurred at Suzhou. Based on the automotive monitoring air- quality data and meteorological observations,the process analysis of sand storm pollution is presented. It is concluded that the cold front and its high- altitude north- west gust leads to the sand storm pollution. During the sand storm period,the sharp increase of PM10 concentration combined with accumulation of other characteristic pollutant in PM2. 5was observed and the visibility decrease led to city haze.

关 键 词：沙尘 颗粒物 成因分析 

分 类 号：X513[环境科学与工程—环境工程] X823