| 河源市中心城区土壤环境地球化学特征研究 |
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| 引用本文： | 王世彪,陈庆丰,付立锋.河源市中心城区土壤环境地球化学特征研究[J].化工矿产地质,2016(4):232-236. |
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| 作者姓名： | 王世彪 陈庆丰 付立锋 |
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| 作者单位： | 1. 广东有色工程勘察设计院,广东广州,510080;2. 辽宁化工地质勘查院,辽宁锦州,121000 |
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| 摘 要： | 对广东省河源市中心城区的表层土壤进行了取样调查工作,测定了金属元素的含量,并对其污染状况进行评价,数据表明:城区表层土壤存在多种重金属元素异常,其中Pb和As表现出富集特征,来源指向汽车尾气及其它工业活动的排放。重金属含量要明显低于其它大城市,该市环境风险指数(IER)为0.43,属于2级指数范畴,总体评价为低环境风险,但作为一个主要以轻工业、农业和旅游业为主的城市,也存在进一步恶化的趋势。
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| 关 键 词： | 土壤 重金属元素 聚类分析 地球化学特征 环境风险指数 |
STUDY ON CHARACTERISTICS OF SOIL ENVIRONMENTAL GEOCHEMISTRY IN THE CENTRAL AREA OF HEYUAN CITY |
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| Abstract: | Metal elementsconcentrations of surface soils taken from Heyuan central urban areaof Guangdong province were analyzed. The pollution index was calculated. The geochemical characteristics of the elements in the samples are given in this paper. Anomalies of Pb and As heavy metal elements were found in surface soil. The sources of abnormal elements are closely related to automobile exhaust and other industrial activities. The city's environmental risk index (IER) is 0.43, belong to the category of 2nd level, shows a low environmental risk.As a major light industry and tourism-oriented city, the heavy metal content in Heyuan is significantly lower than other major cities. But there are also elements of the abnormal area, should attract attention of local government and residents. |
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| Keywords: | Soil Heavy metals Clustering analysis Geochemical characteristic Environmental risk index |
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