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| 北京市凉凤灌区土壤重金属的积累及其变化趋势 | |
| 引用本文： | 杨军,郑袁明,陈同斌,黄泽春,罗金发,刘洪禄,吴文勇,陈玉成.北京市凉凤灌区土壤重金属的积累及其变化趋势[J].环境科学学报,2005,25(9):1175-1181. |
| 作者姓名： | 杨军 郑袁明 陈同斌 黄泽春 罗金发 刘洪禄 吴文勇 陈玉成 |
| 作者单位： | 1. 中国科学院地理科学与资源研究所环境修复中心,北京,100101;西南农业大学资源与环境学院,重庆,400716 2. 中国科学院地理科学与资源研究所环境修复中心,北京,100101 3. 北京市水利科学研究所,北京,100044 4. 西南农业大学资源与环境学院,重庆,400716 |
| 基金项目： | 国家杰出青年基金项目（No.40325003）;北京市重大科技攻关项目（No.H030730040330） |
| 摘 要： | 其含量的几何平均值(0.147mg·kg-1)为北京市土壤Hg背景值(0.0576mg·kg-1)的2.5倍.除Cd、Ni外,其它5种重金属都存在不同程度的积累现象(超过基线值),Hg的超标率(超过基线值)高达34.5%;Pb、Cu次之,超标率分别为8.86%、8.33%;Zn、Cr、As污染相对较轻一些,超标率为2.41%、1.20%、1.19%;没有发现Cd、Ni污染问题.与20世纪70年代中期的调查结果比较发现,经过近30年后,该地区的土壤Hg、Pb、Cu、As含量分别增加了11.4%、40%、26%、9.0%.结果表明,污水灌溉是导致土壤重金属积累的重要原因之一,Hg、Pb是该灌区土壤中需要优先控制的重金属. |
| 关 键 词： | 土壤 重金属 污水灌溉 北京 污染 积累 |
| 文章编号： | 0253-2468(2005)09-1175-07 |
| 收稿时间： | 02 4 2005 12:00AM |
| 修稿时间： | 04 30 2005 12:00AM |
Accumulation and temporal variation of heavy metals in the soils from the Liangfeng Irrigated Area, Beijing City |
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| YANG Jun,ZHENG Yuanming,CHEN Tongbin,HUANG Zechun,LUO Jinf,LIU Honglu,WU Wenyong and CHEN Yucheng.Accumulation and temporal variation of heavy metals in the soils from the Liangfeng Irrigated Area, Beijing City[J].Acta Scientiae Circumstantiae,2005,25(9):1175-1181. | |
| Authors: | YANG Jun ZHENG Yuanming CHEN Tongbin HUANG Zechun LUO Jinf LIU Honglu WU Wenyong and CHEN Yucheng |
| Institution: | 1. Center for Environmental Remediation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101; 2. School of Environment and Resources, Southwest Agricultural University, Chongqing 400716,Center for Environmental Remediation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101,1. Center for Environmental Remediation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101; 2. Beijing Institute of Water Resource, Beijing 100044,Center for Environmental Remediation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101,Center for Environmental Remediation, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101,Beijing Institute of Water Resource, Beijing 100044,Beijing Institute of Water Resource, Beijing 100044 and School of Environment and Resources, Southwest Agricultural University, Chongqing 400716 |
| Abstract: | |
| Keywords: | Accumulation Beijing City heavy metal risk assessment soil wastewater irrigation |
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