上海某工业区周边农田大气中挥发性有机物污染特征及来源分析  

The Characteristics and Source Analysis of Atmospheric Volatile Organic Compounds in the Farmland Surrounding by Industrial Zone in Shanghai

作　　者：项凌云[1] 韩德明[1] 

机构地区：[1]上海交通大学环境科学与工程学院,上海200240

出　　处：《时代农机》2016年第1期151-152,共2页Times Agricultural Machinery

摘　　要：工业排放的挥发性有机物(VOCs)通过迁移以及干湿沉降会对工业区周边农田造成一定的影响。对上海某工业区周边农田场地的样本研究表明:大气中挥发性有机物含量在时间上,下午(609.75g/m^3)>上午(498.25g/m^3)>晚上(316.16g/m^3);在空间上总体上表现为场地内东北方位最高,西南方位最低的分布特征。物污染来源,主成分分析结果显示VOCs主要来源为有机溶剂、喷涂工业生产排放源、燃料的挥发以及汽车尾气等。Industrial emissions of volatile organic compounds may cause certain influence to surrounding farmland environment by migration and dry wet subsidence.This study sets of one farmland in industrial zone in Shanghai as the research object,and carries out the investigation of atmospheric environment quality monitoring around to analyze the spatial and temporal distribution of atmospheric pollution and the sources.The results showed that the average VOCs concentrations in the afternoon（609.75g/m^3）〉that in the morning（498.25g/m^3） 〉that in the evening（316.16g/m^3）.The space distribution characteristics showed highest for the northeast, southwest area were the lowest. PCA analysis suggested that organic solvent volatilization,industrial production, fuel volatilization and car exhaust emissions were the main sources.

关 键 词：大气污染物 时空分布特征 VOCS 

分 类 号：X511[环境科学与工程—环境工程]