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[1]谢新末,胡立嵩*,张彩香,等.官厅水库流域水体中硫丹的分布特征及风险评价[J].武汉工程大学学报,2019,(03):219-225,231.[doi:10. 3969/j. issn. 1674-2869. 2019. 03. 003]
 XIE Xinmo,HU Lisong*,ZHANG Caixiang,et al.Distribution and Ecological Risk Assessment of Endosulfans in Water Body of Guanting Reservoir Area[J].Journal of Wuhan Institute of Technology,2019,(03):219-225,231.[doi:10. 3969/j. issn. 1674-2869. 2019. 03. 003]
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官厅水库流域水体中硫丹的分布特征及风险评价(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2019年03期
页码:
219-225,231
栏目:
化学与化学工程
出版日期:
2019-06-20

文章信息/Info

Title:
Distribution and Ecological Risk Assessment of Endosulfans in Water Body of Guanting Reservoir Area
文章编号:
20190303
作者:
谢新末1胡立嵩*1张彩香2廖小平1南 超2汤 蜜2刘 奕1
1. 武汉工程大学化学与环境工程学院,湖北 武汉 430205;2. 中国地质大学生物地质与环境地质国家重点实验室,湖北 武汉 430074
Author(s):
XIE Xinmo1HU Lisong*1ZHANG Caixiang2LIAO Xiaoping1NAN Chao2TANG Mi2LIU Yi1
1. School of Chemistry and Environmental Engineering, Wuhan Institute of Technology, Wuhan 430205,China;2. State Key Laboratory of Biology and Environmental Geology, China University of Geosciences, Wuhan 430074, China
关键词:
硫丹地表水沉积物分布特征风险评价
Keywords:
endosulfan surface water sediment distribution characteristics risk assessment
分类号:
X522
DOI:
10. 3969/j. issn. 1674-2869. 2019. 03. 003
文献标志码:
A
摘要:
本研究选取官厅水库上游的汇入河流为采样区,于2017年7月沿河水流方向分别采集9个地表水和9个表层沉积物,同时利用气相色谱仪(GC-ECD)检测了样品中硫丹含量,分析了研究区地表水和沉积物中硫丹的分布特征及可能来源,并进行对应的风险评价。结果表明,总硫丹(α-硫丹+β-硫丹+硫丹硫酸酯)在地表水中的残留范围为3.88~204.79 ng/L,均值为58.34 ng/L;在沉积物中的残留范围为0.15~3.70 ng/g,均值为1.12 ng/g。来源分析表明,水体中残留的硫丹主要来源于历史使用;人类活动(包括水库建设等)对水体中硫丹的分布特征产生一定程度影响。风险评价结果表明,硫丹对研究区成人与儿童的非致癌风险指数均低于1,对当地居民危害较小。本次调查研究对官厅水库流域有机氯农药的分布情况及生态环境建设都具有重要的理论和现实意义。
Abstract:
Nine surface water samples and nine surface sediment samples were collected in July, 2017 from the inflow rivers (Yang River,Longyang River,Sanggan River and Yonding River) located in the upstream area of the Guanting reservoir .The residual endosulfans in samples were determined using gas chromatography with 63Ni electron capture detector (GC-ECD).The distribution characteristics and source apportionment of the endosulfans in the study area were evaluated. Subsequently,its ecological risk assessment was carried out.The results show that the total concentrations of the endodulfans (α-endosulfan + β-endosulfan + endosulfan-sulfate) in the surface waters and sediments range from 3.882 ng/L to 204.791 ng/L with an average of 58.341 ng/L and from 0.145 ng/g to 3.696 ng/g with an average of 1.121 ng/g,respectively.The results of the source apportionment confirmed that the endosulfans in the water body mainly came from the historical use. Besides, the content of the endosulfans in Yang River was also affected by the human activities including dam construction. The results of the risk assessment indicate that the values of the non-cancer risk for adults and children are less than 1 in this area. Thus it is less harmful to the local residents.This investigation provides an important theoretical and realistic guide for the ecological environment construction in the Guanting Reservoir area.

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备注/Memo

备注/Memo:
收稿日期: 2019-03-18基金项目: 河北省官厅水库、密云水库上游流域土壤污染状况调查与评价项目(4540401YSNIDRK)作者简介: 谢新末,硕士研究生。E-mail:1015332156@qq.com*通讯作者:胡立嵩,博士,教授,硕士研究生导师。E-mail:289234646@qq.com引文格式: 谢新末,胡立嵩,张彩香,等. 官厅水库流域水体中硫丹的分布特征及风险评价[J]. 武汉工程大学学报,2019,41(3):219-225,231.
更新日期/Last Update: 2019-06-19