典型工业集聚区土壤重金属含量空间分布特征及污染评价  

Spatial Distribution Characteristics and Pollution Evaluation of Soil Heavy Metal Content in Typical Industrial Agglomerations

作　　者：甘杰 康婵娟 邹霖 潘海婷 荣兴 高维 郑艳红 冉丹迪 邓露 朱日龙 GAN Jie;KANG Chanjuan;ZOU Lin;PAN Haiting;RONG Xing;GAO Wei;ZHENG Yanhong;RAN Dandi;DENG Lu;ZHU Rilong(Hunan Environmental Monitoring Centre Station,Key Laboratory of Heavy Metal Pollution Monitoring for National Environmental Protection,Changsha Hunan 410019,China;Loudi City Ecological Environment Bureau,Lengshuijiang Branch,Loudi Hunan 417000,China;Hunan Ecological and Environmental Affairs Center,Changsha Hunan 410014,China;Hunan Huako Science and Technology Company Limited,National Inspection and Testing Holding Group,Changsha Hunan 410014,China;College of Chemistry and Chemical Engineering,Hunan University,Changsha Hunan 410082,China)

机构地区：[1]湖南省生态环境监测中心,国家环境保护重金属污染监测重点实验室,湖南长沙410019 [2]湖南省娄底市生态环境局冷水江分局,湖南娄底417000 [3]湖南省生态环境事务中心,湖南长沙410014 [4]国检测试控股集团湖南华科科技有限公司,湖南长沙410014 [5]湖南大学化学化工学院,湖南长沙410082

出　　处：《新疆环境保护》2024年第3期1-13,共13页XINJIANG ENVIRONMENTAL PROTECTION

基　　金：国家环境保护重金属污染监测重点实验室开放基金项目(SKLMHM202324);陕西省环境介质痕量污染物监测预警重点实验室开放基金项目(SHJKFJJ202305);湖南创新型省份建设郴州国家可持续发展议程创新示范区专项(2021SFQ26);湖南省重点研发计划(2023SK2073);湖南省重点研发计划(2023SK2062)。

摘　　要：为探究典型工业集聚区土壤重金属污染空间分布特征及污染水平,采用多种评价方法对4家重点监管单位连片区域重金属分布特征和污染状况进行系统分析。内梅罗综合污染评价结果显示:研究区域处于重污染水平;地累积指数评价结果表明:区域内Cd为强污染(3≤I_(geo)<4)、Hg为中—强污染(2≤I_(geo)<3)、Zn和Pb为中污染(1≤I_(geo)<2)、As为轻污染(0≤I_(geo)<1)、Cr、Ni、Cu为无污染(I_(geo)<0);潜在生态风险评价结果显示:综合生态风险指数均值为1275.67,区域处于极高风险水平;土壤重金属浓度预测结果表明:该区域在未来10年无人为干预情况下,Cd、Zn、Pb平均浓度均呈减少趋势,而Ni、Cr、Cu、As和Hg平均浓度则均呈增加趋势。To investigate the spatial distribution characteristics and pollution levels of heavy metals in typical industrial agglomeration areas,a systematic analysis of the distribution characteristics and pollution status of heavy metals in the contiguous areas of four key supervision units was conducted using various evaluation methods.The evaluation of Nemerow pollution index showed that the study area exhibited high level of pollution.The results of the geo-accumulation index method showed that the study area was strongly polluted by Cd(3≤I_(geo)<4),moderately to strongly polluted by Hg(2≤I_(geo)<3),moderately polluted by Zn and Pb(2≤I_(geo)<3),lightly polluted by As(0≤I_(geo)<1),and unpolluted by Cr,Ni,and Cu(I_(geo)<0).The results of the potential ecological risk sssessment showed that the average value of comprehensive ecological risk index was 1275.67,and the region was at a very high risk level.The prediction results of the soil heavy metal concentration showed that the average concentrations of Cd,Zn,and Pb would decrease without human intervention in the next 10 years,while the average concentrations of Ni,Cr,Cu,As,and Hg would increase.

关 键 词：重点监管企业 土壤 重金属污染 空间分布 

分 类 号：X53[环境科学与工程—环境工程]