城市道路绿化质量对土壤侵蚀量与大气颗粒物污染的影响  

Effect of the Quality of Urban Road Green on the Soil Erosion and Atmospheric Particulate Matter Pollution

作　　者：胡可信[1] 郭振华[2] 曾光明[1] 刘云国[1] 

机构地区：[1]湖南大学环境科学与工程学院,湖南长沙410082 [2]长沙理工大学化学与环境工程学院,湖南长沙410077

出　　处：《湖南大学学报（自然科学版）》2006年第4期106-110,共5页Journal of Hunan University:Natural Sciences

基　　金：国家自然科学基金资助项目(70171055;50179011);国家863高技术资助项目666(2001AA644020);2000年度国家教育部优秀年轻教师教学科研奖励计划资助项目

摘　　要：对长沙市的道路绿化状况、道路低空的TSP污染和绿化带滞尘情况以及绿化带土壤的侵蚀进行了研究,对低质量的绿化带进行了数值评价,测量了城区主要道路低空TSP浓度和绿化带滞尘量.研究表明,低质量道路绿化与道路低空大气颗粒物污染成正相关,相关系数r为0.75,有非常显著意义.同时对长沙市绿化带年土壤侵蚀量进行计算,总量约为90吨/年,已成为长沙市大气颗粒物污染的重要来源.The circumstances of some roads in Changsha city, the low-altitude TSP pollution of some roads, dust-retention effect and soil erosion of plants were investigated. A numerical assessment on green area of low quality was conducted. The low-altitude TSP of some roads and the amount of dust-retention in green areas in the city was measured. The research showed that green areas of low quality had a direct relationship with the pollution caused by atmospheric particulate matter （ r = 0.75）. Meanwhile, the amount of soil erosion of green areas in Changsha, which is the main source of the pollution caused by atmospheric particulate matter, was calculated, and the sum was about 90 ton per year, which mainly results in atmospheric particulate pollution.

关 键 词：污染 土壤保护 大气颗粒物 道路绿化 滞尘量 

分 类 号：X820.3[环境科学与工程—环境工程]