西安市三桥镇周边土壤重金属污染调查
Investigation of Heavy Metal Pollution in Soil Around Sanqiao Town in Xi’an City
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摘要: 对西安市三桥镇周边进行了现场调研，根据采样布点规范进行了采样布点。采集样本点土样，对土壤进行烘干研磨处理，对土壤样品中重金属等污染元素含量进行了检测。结果表明，三桥镇区域周围土壤均有不同程度污染，其中Cd和Hg的污染程度最大，其他4种元素污染程度轻微。利用污染指数法和潜在生态风险指数法对土壤污染元素进行了评价，环境潜在危害性依次为Cd、Cu、Hg、As、Pb和Zn。Abstract: Field survey was conducted around Sanqiao town，Xi’an city，according to sampling layout specification，sampling layout was carried out.Soil samples were collected，and then dried and ground，contents of polluting elements in soil samples were detected.Results showed that，soil around Sanqiao town was contaminated by heavy metals and As in different degrees，Cd and Hg had the most pollution level，the other 4 elements were slightly contaminated.Soil element pollution was evaluated by pollution index method and potential ecological risk index method，severity degree of potential environmental harm was in order of Cd、Cu、Hg、As、Pb and Zn.
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Keywords:
- heavy metal /
- potential risk index /
- industrial zone /
- stationing figure /
- pollution
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[1] 刘雪松,蔡五田,李胜涛。 石油类污染场地土壤与地下水污染调查实例分析[J] 水文地质工程地质,2010 37( 4):121-125. [2] 成杭新,李括,李敏,杨柯,刘飞,成晓梦。中国城市土壤化学元素的背景值与基准值, 地学前缘,2014( 3):265 - 306. [3] 隋红建,吴璇,崔岩山。 土壤重金属迁移模拟研究的现状与展望[J]． 农业工程学报,2006,22(6): 197-200． [4] 谢云峰,曹云者,杜晓明等 土壤污染调查加密布点优化方法构建及验证[J]。环境科学学报,2016 36( 3) : 981-989. [5] 雷凌明,喻大松,陈玉鹏,等。 陕西泾惠渠灌区土壤重金属空间分布特征及来源[J]． 农业工程学报,2014,30(6): 88-96．作者简介: 吴奇,副教授,工学硕士,主要研究方向：环境污染治理技术62010375@163.com。 -
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