宁夏农林科技2025，Vol.66Issue(4)：10-16,52,8.DOI:10.3969/j.issn.1002-204x.2025.04.002
皖江经济带湿地沉积物重金属污染评价及来源解析
Evaluation and Source Analysis of Heavy Metal Pollution in Sediments of Wetlands in Wanjiang Economic Belt
摘要
Abstract
Based on the monitoring data of wetland sediment samples in the Wanjiang Economic Belt,the pollution degree of heavy metals in the sediments of the study area was evaluated and comprehensively analyzed by using the geological accumulation index Igeo method and the potential ecological risk index RI method to obtain more reliable results.At the same time,Pearson analysis method was used to analyze the correlation of heavy metals in sediments.The results showed that the six elements of As,Cd,Cu,Pb,Zn and Hg had significant correlation,indicating that these six elements had certain homology,and the average content of these six elements exceeded the background value.The average value of Cd element even reached 10 times of the background value,and the enrichment phenomenon was significant,which indicated that the pollution of these six elements was mainly caused by human factors.At the same time,Cr and Ni are highly correlated,indicating that Cr and Ni have certain homology,but the measured concentration values of Cr and Ni are close to their background values,indicating that Cr and Ni are mainly natural deposition.The correlation analysis data showed that the main heavy metal elements in the study area were derived from human activities,including pollution emissions from mining,industrial production and living activities.Therefore,some prevention and control measures should be taken for the relevant pollution sources to reduce their impact on the wetland environment.关键词
皖江经济带/湿地沉积物/地质积累指数/潜在生态风险指数/相关性分析Key words
Wanjiang Economic Belt/Wetland sediments/Geological accumulation index/Potential ecological risk index/Correlation analysis分类
资源环境引用本文复制引用
沈华,郭玲利..皖江经济带湿地沉积物重金属污染评价及来源解析[J].宁夏农林科技,2025,66(4):10-16,52,8.基金项目
安徽省公益性地勘基金项目"皖江经济带湿地地质环境调查评价"(2015-g-15). （2015-g-15）
