城市环境近地表大气尘研究的意义及进展  

A New Research of Material Carrier in the Urban Atmosphere——Air Dust Near the Ground

作　　者：施泽明[1] 倪师军[1] 张成江[1] 

机构地区：[1]成都理工大学地球化学系,四川成都610059

出　　处：《广东微量元素科学》2007年第2期1-5,共5页Trace Elements Science

基　　金：中国地质调查局"成都经济区城市生态地球化学评价"(项目编号:200314200015)

摘　　要：近地表大气尘采集于人的平均呼吸高度,是较长时间累积的大气颗粒物和地表扬尘的混合物,通过化学成分、矿物组成、粒度分析,可直接获取对人体健康的影响因素,是小区域及城市环境元素迁移转化研究的重要介质,它补充了大气污染0～5 m高度梯度上的研究,对城市环境的治理、城市建设的规划和元素在城市生态环境中迁移转化机理的研究有着十分重要的意义。The air dust near the ground gathers from the average breath height to people, it＇s accumulative mixture of atmospheric particulate and surface dust for longer time. Through the study of chemical composition, mineral composition, the granularity analyzes, the influence factor to the health can directly obtained. It is the important medium of element transformation in little area or urban environment studiy, it has supplemented the research on the air pollution of 0- 5 m. The research on the air dust near the ground has important significance in urban administration, urban planning and study of element transform mechanism in urban ecological environment.

关 键 词：近地表大气尘 城市环境 大气颗粒物 环境健康效应 

分 类 号：X513[环境科学与工程—环境工程]