%0 Journal Article
%T 老工业搬迁区土壤重金属污染特征及潜在生态风险—以沈阳铁西老工业区为例<br>Characters and Potential Ecological Risks of Heavy Metals in Soil of Chinese Brownfield Redevelopment Site—Case of Tiexi Old Industrial Area, Shenyang City
%A 任婉侠
%A 薛冰
%A 马志孝
%A 耿涌
%A 孙丽娜
%A 张云松
%J Sustainable Development
%P 159-166
%@ 2160-7559
%D 2012
%I Hans Publishing
%R 10.12677/SD.2012.24021
%X <span style=\"font-family:宋体;font-size:10pt;\">老工业区搬迁区土壤重金属污染及其潜在生态风险是环境领域的重要前沿问题。本研究以沈阳市土壤元素背景值和《场地环境评价导则》中居住用地标准作为参比值，对沈阳市铁西老工业搬迁区表层</span><span style=\"font-family:'Times New Roman','serif';font-size:10pt;\">(</span><span style=\"font-family:'Times New Roman','serif';font-size:10pt;\">0~20 cm</span><span style=\"font-family:'Times New Roman','serif';font-size:10pt;\">)</span><span style=\"font-family:宋体;font-size:10pt;\">土壤中</span><span style=\"font-family:'Times New Roman','serif';font-size:10pt;\">8</span><span style=\"font-family:宋体;font-size:10pt;\">种重金属</span><span style=\"font-family:'Times New Roman','serif';font-size:10pt;\">Cu</span><span style=\"font-family:宋体;font-size:10pt;\">、</span><span style=\"font-family:'Times New Roman','serif';font-size:10pt;\">Cd</span><span style=\"font-family:宋体;font-size:10pt;\">、</span><span style=\"font-family:'Times New Roman','serif';font-size:10pt;\">Pb</span><span style=\"font-family:宋体;font-size:10pt;\">、</span><span style=\"font-family:'Times New Roman','serif';font-size:10pt;\">Zn</span><span style=\"font-family:宋体;font-size:10pt;\">、</span><span style=\"font-family:'Times New Roman','serif';font-size:10pt;\">As</span><span style=\"font-family:宋体;font-size:10pt;\">、</span><span style=\"font-family:'Times New Roman','serif';font-size:10pt;\">Hg</span><span style=\"font-family:宋体;font-size:10pt;\">、</span><span style=\"font-family:'Times New Roman','serif';font-size:10pt;\">Ni</span><span style=\"font-family:宋体;font-size:10pt;\">和</span><span style=\"font-family:'Times New Roman','serif';font-size:10pt;\">Cr</span><span style=\"font-family:宋体;font-size:10pt;\">的含量及富集情况进行调查，探讨了城市老工业搬迁区土壤重金属的富集系数及超标率，并结合</span><span style=\"font-family:'Times New Roman','serif';font-size:10pt;\">Müller</span><span style=\"font-family:宋体;font-size:10pt;\">地累积指数法和</span><span style=\"font-family:'Times New Roman','serif';font-size:10pt;\">Hǎkanson</span><span style=\"font-family:宋体;font-size:10pt;\">潜在生态风险指数法对污染状况进行潜在生态风险评估。结果表明，与沈阳市土壤背景值相比，铁西老工业搬迁区土壤重金属累积效应显著，除</span><span style=\"font-family:'Times New Roman','serif';font-size:10pt;\">As</span><span style=\"font-family:宋体;font-size:10pt;\">和</span><span style=\"font-family:'Times New Roman','serif';font-size:10pt;\">Cr</span><span style=\"font-family:宋体;font-size:10pt;\">外，其它重金属平均含量均超过其背景值，重金属的富集顺序为</span><span style=\"font-family:'Times New Roman','serif';font-size:10pt;\">Cd &gt; Cu &gt; Zn &gt; Pb &gt; Hg &gt; Ni</span><span style=\"font-family:宋体;font-size:10pt;\">；部分采样点土壤中</span><span style=\"font-family:'Times New Roman','serif';font-size:10pt;\">As</span><span
%K 城市土壤；重金属污染；潜在生态风险；老工业搬迁区；铁西区<br>Urban Soil
%K Heavy Metal Pollution
%K Potential Ecological Risk
%K Brownfield Redevelopment Site
%K Tiexi District
%U http://www.hanspub.org/journal/PaperInformation.aspx?PaperID=4983