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首页> 外文OA文献 >Environmental Health and Ecological Risk Assessment of Soil Heavy Metal Pollution in the Coastal Cities of Estuarine Bay—A Case Study of Hangzhou Bay, China
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Environmental Health and Ecological Risk Assessment of Soil Heavy Metal Pollution in the Coastal Cities of Estuarine Bay—A Case Study of Hangzhou Bay, China

机译：河口滨海沿海城市土壤重金属污染环境健康与生态风险评估 - 以杭州湾，中国杭州湾案例研究

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Shanghai is the major city on the north shore of Hangzhou Bay, and the administrative regions adjacent to Hangzhou Bay are the Jinshan district, Fengxian district, and Pudong new area (Nanhui district), which are the main intersection areas of manufacturing, transportation, and agriculture in Shanghai. In this paper, we collected a total of 75 topsoil samples from six different functional areas (agricultural areas (19), roadside areas (10), industrial areas (19), residential areas (14), education areas (6), and woodland areas (7)) in these three administrative regions, and the presence of 10 heavy metals (manganese(Mn), zinc(Zn), chromium(Cr), nickel(Ni), lead(Pb), cobalt(Co), cadmium(Cd), mercury(Hg), copper(Cu), and arsenic(As)) was investigated in each sample. The Nemerow pollution index (NPI), pollution load index (PLI), and potential ecological risk index (PERI) were calculated to assess the soil pollution levels. The hazard quotient (HQ) and carcinogenic risk (CR) assessment models were used to assess the human health risks posed by the concentrations of the heavy metals. The CR and HQ for adults and children in different functional areas descended in the following order: industrial areas > roadside areas > woodland areas > residential areas > education areas > agricultural areas. The HQ of Mn for children in industrial areas was higher than 1, and the risk was within the acceptable range.
机译：上海是杭州湾北岸的主要城市，杭州湾毗邻的行政区是金山区，奉贤区和浦东新区（南汇区），是制造，运输和运输的主要交叉区上海农业。在本文中，我们共收集了来自六个不同功能区域的75个表土样品（农业领域（19），路边地区（10），工业区（19），住宅区（14），教育领域（6）和林地在这三个行政区域的区域（7））和10个重金属（锰（Mn），锌（Zn），铬（Cr），镍（Ni），铅（Pb），钴（CO），镉中的存在（CD），汞（Hg），铜（Cu）和砷（AS））在每个样品中研究。计算Nemerow污染指数（NPI），污染负荷指数（PLI）和潜在的生态风险指数（PERI）以评估土壤污染水平。危害商（HQ）和致癌风险（CR）评估模型用于评估重金属浓度造成的人体健康风险。不同功能区的成人和儿童的CR和总部下降：工业区>路边地区>林地地区>住宅区>教育领域>农业领域。工业区儿童的MN HQ高于1，风险在可接受的范围内。

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