|本期目录/Table of Contents|

[1]李洪奎,李逸凡.山东日照地区土壤重金属环境质量评价[J].地球科学与环境学报,2018,40(04):473-486.
　LI Hong-kui,LI Yi-fan.Environmental Quality Evaluation of Soil Heavy Metals in Rizhao Area of Shandong, China[J].Journal of Earth Sciences and Environment,2018,40(04):473-486.
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《地球科学与环境学报》[ISSN:1672-6561/CN:61-1423/P]

卷:
第40卷
期数:
2018年第04期
页码:
473-486
栏目:
水资源与环境
出版日期:
2018-07-15

文章信息/Info

Title:
Environmental Quality Evaluation of Soil Heavy Metals in Rizhao Area of Shandong, China
文章编号:
1672-6561(2018)04-0473-14
作者:
李洪奎; 李逸凡
1.山东省地质科学研究院 国土资源部金矿成矿地质过程与资源利用重点实验室，山东 济南 250013； 2.山东省地质科学研究院 山东省金属矿产成矿地质过程与资源利用重点实验室，山东 济南 250013； 3.潍坊学院 建筑与工程学院，山东 潍坊 261061
Author(s):
LI Hong-kui;  LI Yi-fan
1. Key Laboratory of Gold Mineralization Processes and Resources Utilization of Ministry of Land and Resources, Shandong Institute of Geological Sciences, Jinan 250013, Shandong, China; 2. Shandong Key Laboratory of Geological Processes and Resource Utilization in Metallic Minerals, Shandong Institute of Geological Sciences, Jinan 250013, Shandong, China; 3. College of Architecture and Civil Engineering, Weifang University, Weifang 261061, Shandong, China
关键词:
地球化学; 土壤; 重金属元素; 环境质量; 单因子指数; 综合评价指数; 山东
Keywords:
geochemistry;  soil;  heavy metal element;  environment quality;  single factor index;  comprehensive evaluation index;  Shandong
分类号:
X142；X825
DOI:
-
文献标志码:
A
摘要:
通过系统生态地球化学调查与评价，在山东日照地区共采集了5 323个表层土壤样品，获取了表层土壤重金属元素地球化学分析数据。以表层土壤As、Cd、Cr、Cu、Hg、Ni、Pb、Zn等8种重金属元素为研究对象，按照《土壤环境质量标准》(GB 15618—1995)，采用单因子指数和综合评价指数对土壤环境质量进行评价。土壤单因子环境质量评价结果表明：As、Cd、Cr、Cu、Hg、Ni、Pb、Zn等8种元素Ⅰ类土壤的面积比例分别为100.00%、98.21%、94.14%、98.10%、99.90%、89.18%、96.61%和98.37%，说明山东日照地区土壤环境质量良好；土壤单因子环境质量平均达到Ⅰ类土壤的占调查区土壤总面积的96.81%，Ⅱ类土壤占3.17%，Ⅲ类土壤仅占0.02%。表层土壤重金属元素污染综合评价结果表明：表层土壤环境质量属于Ⅰ类土壤(清洁—较清洁)的占调查区土壤总面积的86.39%，属于Ⅱ类土壤(轻度污染)的占13.55%，属于Ⅲ类土壤(中度污染)的占0.06%，说明山东日照地区表层土壤重金属综合污染很少，土壤环境质量总体状况良好。土壤重金属元素综合指标评价结果显示，未富集区面积累计占区域总面积的5.50%，弱富集区占38.63%，中度富集区占53.27%，重度富集区占2.60%，说明区域表层土壤中污染物已有积累趋势，虽未达到有害程度，亦应引起重视。
Abstract:
Through systematic ecological geochemical survey and evaluation, 5 323 surface samples were collected in Rizhao area of Shandong, and the geochemical analysis data of heavy metal elements in the surface soil were obtained. The 8 kinds of heavy metal elements (As, Cd, Cr, Cu, Hg, Ni, Pb, Zn) in the surface soil were evaluated in accordance with the soil environmental quality standard(GB 15618—1995), and the soil environmental quality was evaluated by using single factor index and comprehensive evaluation index. As showed by the results of soil environmental quality evaluation of single factor, the percentages of Ⅰ class soil in 8 elements, such as As, Cd, Cr, Cu, Hg, Ni, Pb and Zn, are 100.00%, 98.21%, 94.14%, 98.10%, 99.90%, 89.18%, 96.61% and 98.37%, respectively, and the soil environmental quality is good in this area; the average single factor environmental quality of I class soil accounts for 96.81%, Ⅱ class accounts for 3.17%, and Ⅲ class only accounts for 0.02%. As showed by the results of comprehensive evaluation of soil heavy metal element pollution in the surface soil, the area of soil environmental quality which belongs to Ⅰ class with clean-relative clean soil accounts for 86.39%, the area which belongs to Ⅱ class with lightly polluted soil accounts for 13.55%, and the area which belongs to Ⅲ class with moderate polluted soil accounts for only 0.06%, indicating that soil heavy metal pollution in Rizhao area is rare, and the soil environmental quality in overall is in good condition. As showed by the evaluation results of comprehensive index of heavy metal elements in soil, no enrichment area accounts for 5.50% of the total area, weak enrichment area accounts for 38.63%, moderate enrichment accounts for 53.27%, and severe enrichment area accounts for 2.60%, showing that the existing regional pollutants in surface soil has an accumulation trend; although the trend does not reach harmful degree, it should be paid more attention.

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备注/Memo

备注/Memo:
收稿日期:2017-12-22;修回日期:2018-05-08
基金项目:国家自然科学基金项目(41572068);国土资源公益性行业科研专项项目(201511029);国家重点研发计划项目(2016YFC0600107);山东省日照市地质项目(WT-RZCG2015-1517);山东省泰山学者建设工程专项经费项目(鲁政办字[2013]122号)
作者简介:李洪奎(1962-),男,山东昌乐人,研究员,工学博士,E-mail:lhklhk126@126.com。
更新日期/Last Update: 2018-07-27