西南地区大气颗粒物中的人为来源元素及与降雨中元素组成的关系  

ANTHROPOGENIC ELEMENTS OF ATMOSPHERIC PARTICLES AND THE RELATIONSHIP WITH THE ELEMENTAL COMPONENTS OF PRECIPITATION IN SOUTHWEST AREA

作　　者：汪安璞[1] 杨淑兰[1] 

机构地区：[1]中国科学院生态环境研究中心

出　　处：《环境化学》1991年第2期39-47,共9页Environmental Chemistry

摘　　要：根据西南地区城郊区和偏远地区1989年春秋季大气颗粒物中元素的浓度和地面土中元素的丰度探讨了颗粒物中元素的人为来源贡献率及地面土的元素污染情况。结果表明:硫在该地区的贡献率都在98％以上,其它元素随地区和季节的不同而各有差异。地面土基本上未受人为污染。根据大气颗粒物中14种元素的浓度及其可溶性元素的百分数,用差别因子比较了雨水与颗粒物中相应元素的关系,对雨水中元素可能的来源作了讨论。Concentrations of elements in atmospheric particles in spring and autumn 1989 in southwestern areas and those of surface soil were analysed. The re suits indicate that element S from anthropogenic sources amounts to about 98% at all sites, with other elements having different percentages of anthropogenic contribution in different sites and seasons.The concentration of 14 elements and their soluble fraction in atmospheric particles and precipitation was determined. Discrimination factor of elements was used for elucidating the relationship of an element in rainwater and the same element in particles. The possible sources of elements in rainwater are discussed.

关 键 词：大气 颗粒物 污染源 降雨 元素 

分 类 号：X513.01[环境科学与工程—环境工程]