含巨厚非饱和带岩溶含水层地下水污染风险分析
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摘要
西南岩溶区固废填埋场选址问题成为制约区域经济发展的关键因素,而在项目选址过程中,如何平衡项目建设成本及地下水环境保护成本是项目选址的关键。因此,本文以云南岩溶区某垃圾填埋场项目选址地下水污染评估为例,通过详细开展水文地质调查及勘察,在查明拟建项目区水文地质条件的基础上,应用解析法开展地下水污染风险分析及预测。研究结果表明,上覆红粘土及巨厚非饱和带岩溶含水层对特征污染物迁移扩散具有较大的阻滞及延迟作用。
The site selection of solid waste landfill in southwest karst region has become a key factor that restricting the regional economic development. How to balance the costs between the project construction and the groundwater environmental protection is the key to the site selection of project. Therefore, this study takes the groundwater contamination assessment of a landfill site in karst area of Yunnan province as an example, we carries out risk analysis and prediction of groundwater contamination using analytical method on the basis of detailed hydrogeological investigation. The study results show that the overlying red clay and the thick unsaturated zone of karst aquifer layer have significant retarding and delaying the transport and diffusion of the contaminants.
The site selection of solid waste landfill in southwest karst region has become a key factor that restricting the regional economic development. How to balance the costs between the project construction and the groundwater environmental protection is the key to the site selection of project. Therefore, this study takes the groundwater contamination assessment of a landfill site in karst area of Yunnan province as an example, we carries out risk analysis and prediction of groundwater contamination using analytical method on the basis of detailed hydrogeological investigation. The study results show that the overlying red clay and the thick unsaturated zone of karst aquifer layer have significant retarding and delaying the transport and diffusion of the contaminants.
引文
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[2]韩冰,何江涛,陈鸿汉,等.地下水有机污染人体健康风险评价初探[J].地学前缘,2006(01):224-229.
[3]黄海波,高扬,曹杰君,等.都市农业村域地下水非点源氮污染及其风险评估[J].水土保持学报,2010(03):56-59,70.
[4]何仔颖,吴超.尾矿库地下水污染风险评价体系研究[J].安全与环境学报,2011(04):121-125.
[5]中华人民共和国环保部.环境影响评价技术导则地下水环境.中华人民共和国环保部,2016.
[6]邰托娅,王金生,王业耀,等.我国地下水污染风险评价方法研究进展[J].北京师范大学学报(自然科学版),2012(06):648-653.
[7]滕彦国,苏洁,翟远征,等.地下水污染风险评价的迭置指数法研究综述[J].地球科学进展,2012(10):1140-1147.
[8]郭高轩,李宇,许亮,等.北京平原区第四系地下水污染风险评价[J].环境科学,2014(02):562-568.
[9]杨庆,陈忠荣,张伟红,等.典型水源地地下水污染风险评价[J].中国环境监测,2013(05):22-25.
[10]南统超,吴吉春.集合卡尔曼滤波估计水文地质参数的局域化修正[J].水科学进展,2010(05):613-621.
[11]Neuman SP,Xue L,Ye M,et al.Bayesian analysis of dataworth considering model and parameter uncertainties[J].Advances in Water Resources 2012,36(0):75-85.
[12]林琳,史良胜,宋雪航.地下水参数反演的确定性集合卡尔曼滤波方法[J].武汉大学学报(工学版),2016(02):161-167,172.
[13]Mao W,Yang J,Zhu Y,et al.An efficient soil water balance model based on hybrid numerical and statistical methods[J].Journal of Hydrology,2018,559:721-735.
[14]Romero-Ruiz A,Linde N,Keller T,et al.A Review of Geophysical Methods for Soil Structure Characterization[J].Reviews of Geophysics,2018,56(4):672-697.
[15]Zhang C,Lu N.What Is the Range of Soil Water Density?Critical Reviews With a Unified Model[J].Reviews of Geophysics,2018,56(3):532-562.
[16]Vereecken H,Schnepf A,Hopmans JW,et al.Modeling Soil Processes:Review,Key Challenges,and New Perspectives[J].Vadose Zone Journal,2016,15(5):1-57.
[17]Van Looy K,Bouma J,Herbst M,et al.Pedotransfer Functions in Earth System Science:Challenges and Perspectives[J].Reviews of Geophysics,2017,55(4):1199-1256.