矸石山周边土壤中镉元素迁移特征分析--以焦作九里山矿矸石山和朱村矿矸石山为例  

Analysis on Migration Characteristics of Cadmium in Soil around Gangue Hill-Taking the Gangue Hill in Jiulishan Coal Mine and Zhucun Coal Mine in Jiaozuo City as Examples

作　　者：逯晓喻 李喆 张月阳 LU Xiao-yu;LI Zhe;ZHANG Yue-yang(Henan Province Natural Resources Monitoring Institute,Zhengzhou,Henan 450018;Henan Provincial Key Laboratory of Geological Hazards Prevention,Zhengzhou,Henan 450018)

机构地区：[1]河南省自然资源监测院,河南郑州450018 [2]河南省地质灾害防治重点实验室,河南郑州450018

出　　处：《安徽农业科学》2023年第8期68-71,共4页Journal of Anhui Agricultural Sciences

基　　金：2021年国家级地质环境监测与预报项目(1212010140001-50003-21-12)。

摘　　要：焦作市矿山地质环境监测网络常年对九里山矿矸石山和朱村矿矸石山周边土壤重金属进行监测,采用传统统计学方法对2016-2020年土壤中Cd检测数据进行处理并分析其动态变化特征。结果表明,矿区周边土壤呈碱性,均可检出Cd元素;矸石山周边土壤中Cd含量均超出当地背景值,煤矸石不断析出的Cd造成周边土壤Cd污染持续增大,部分监测点位土壤达到Cd轻度污染等级。土壤中Cd含量随着埋深加大呈现出减小趋势。矸石山周边土壤剖面中Cd含量变化的影响因素主要包括当地主风向、土地利用类型、化肥施用等,但是地下水流方向的影响相对微弱。The Jiaozuo City Mine Geological Environment Monitoring Network monitors heavy metals in the soils around Jiulishan and Zhucun gangue hills all year round.Traditional statistical methods were used to process and analyze the dynamic change characteristics of Cd detection data in soils from 2016 to 2020.The results showed that the soil around the mining area was alkaline,and Cd could be detected.The content of Cd in the soil around the gangue hill exceeded the local background value.The continuous release of Cd from coal gangue had caused a continuous increase in Cd pollution in the surrounding soil,and some monitoring sites had reached a slight level of Cd pollution.The content of Cd in soil showed a decreasing trend with increasing burial depth.The main factors affecting the variation of Cd content in the soil profile around the waste dump included local main wind direction,land use type,fertilizer application,etc.,but the impact of groundwater flow direction was relatively weak.

关 键 词：矸石山 土壤 Cd元素 影响因素 迁移特征 

分 类 号：X53[环境科学与工程—环境工程]