四川环境2025，Vol.44Issue(2)：1-8,8.DOI:10.14034/j.cnki.schj.2025.02.001
宁夏大气降尘与表层土壤重金属元素关联性分析及溯源研究
Correlation Analysis and Traceability Study of Atmospheric Dust Fall and Heavy Metal Element of Surface Soil in Ningxia Hui Autonomous Region
摘要
Abstract
In order to carry out the traceability research of atmospheric dust fall elements and explore the correlation between clust fall and heavy metal elements in surface soil,22 monitoring samples were set up in Ningxia Hui Autonomous Region,atmospheric dust fall and surface soil samples were collected,and the contents of Ba,Mn,Zn,Ce,Cr,Cu,V,Pb,Ti,Ca,Mg and Fe were determined and analyzed indoors.The results showed that:the average contents of Ca and Mg in atmospheric dust fall were the highest,which were 29.22 g/kg and 13.70 g/kg,the average contents of Ca and Fe in the surface soil were the highest,which were 39.55 g/kg and 23.87 g/kg.There were obvious spatial differences in the distribution of heavy metals in atmospheric dust fall and surface soil in each monitoring area,the coefficient of variation was within the medium variation range.The gray correlation analysis showed that the correlation between atmospheric dust and surface soil was different,and the correlation coefficient was between 0.5085～0.8017,and the correlation between the two was relatively close.According to the cluster analysis and principal component analysis,Ba,Ce,Ti,Mg and V in atmospheric dust fall fell into Class Ⅰ,Cr,Cu,Zn and Pb fell into Class Ⅰ,and Ca,Mn and Fe,mainly comes from natural sources,traffic sources and industrial emissions of pollution,fell into Class Ⅲ.关键词
大气降尘/重金属/灰度关联分析/富集因子法/聚类分析法/主成分分析法Key words
Atmospheric dust fall/heavy metal/gray correlation analysis/enrichment factor method/cluster analysis/principal component analysis分类
资源环境引用本文复制引用
孔丽婷,潘占兵,左忠,开建荣,范金鑫,黄婷..宁夏大气降尘与表层土壤重金属元素关联性分析及溯源研究[J].四川环境,2025,44(2):1-8,8.基金项目
宁夏自然科学基金项目"贺山东麓酿酒葡萄基地土壤粉尘释放特征模拟研究"(2024A2665) （2024A2665）
宁夏回族自治区重点研发计划项目"贺兰山东麓酿酒葡萄基地防护林防灾减灾效应与营建技术研究"(2024BBF02007) （2024BBF02007）
宁夏农业高质量发展和生态保护科技创新示范项目"基于有效防控风蚀的贺兰山沿山葡萄适宜种植区域识别研究"(NGSB-2021-4-3). （NGSB-2021-4-3）
