基于GMS软件对某废渣填埋场地下水污染的研究
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摘要
以云南某铝业公司废渣填埋场为研究对象,采用GMS软件模拟污染物泄露情景建立溶质(污染物)运移模型,模拟期20a。模拟结果表明:填埋场污染若发生泄露,首先进入上覆第四系松散层,在2 000d后扩散进入下伏岩溶含水层。20a内污染物在上覆第四系松散层中扩散范围小、污染物浓度高;在岩溶含水层远,扩散最远可达300m。故该矿渣填埋场可能会对周围地下水产生污染,应做好防渗和污染监测工作。
Taking the waste residue landfill of an aluminum company in Yunnan as the research object,the GMS software was used to simulate the pollutant leakage scenario to establish a solute(contaminant)migration model with a simulation period of 20 years.The simulation results show that if the landfill pollution leaks,it first enters the overlying Quaternary loose layer and diffuses into the underlying karst aquifer after 2 000 days.Within 20 years,the pollutants have a small diffusion range and a high concentration of pollutants in the overlying Quaternary loose layer;in the karst aquifer,the diffusion is as far as 300 m.Therefore,the slag landfill may cause pollution to the surrounding groundwater,and antiseepage and pollution monitoring should be done.
Taking the waste residue landfill of an aluminum company in Yunnan as the research object,the GMS software was used to simulate the pollutant leakage scenario to establish a solute(contaminant)migration model with a simulation period of 20 years.The simulation results show that if the landfill pollution leaks,it first enters the overlying Quaternary loose layer and diffuses into the underlying karst aquifer after 2 000 days.Within 20 years,the pollutants have a small diffusion range and a high concentration of pollutants in the overlying Quaternary loose layer;in the karst aquifer,the diffusion is as far as 300 m.Therefore,the slag landfill may cause pollution to the surrounding groundwater,and antiseepage and pollution monitoring should be done.
引文
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[2]仝晓霞,宁立波,董少刚.运用GMS模型对某垃圾场地下水污染的研究[J].环境科学与技术,2012,35(7):197-201.
[3]韦耀东,罗应培,卢晓鹏.基于GMS软件对昆明北市区地下水系统的数值模拟[J].人民珠江,2012,33(3):61-64.
[4]马录录,孙月,曹健,等.基于GMS软件的三维地质建模及动态模拟[J].吉林地质,2014,(4):77-80.
[5]中国标准出版社第二室.水质分析方法国家标准汇编[M].中国标准出版社,1996.
[6]束善治,SogaK.包气带非水相污染物迁移离心模型研究中的相似比例关系[J].吉林大学学报(地球科学版),2000,30(4):371-375.
[7]张嘉,王明玉.非均质渗透介质纵向弥散度数值模拟估算法适宜性探析[J].中国科学院研究生院学报,2011,28(1):35-42.
[8]李国敏.海岛海水入侵动态三维有限元模型研究及应用[D].中国地质大学(武汉),1994.
[9]成建梅.考虑可信度的弥散度尺度效应分析[J].水利学报,2002,33(2):90-94.
[10]Yulistiyanto B,Zech Y,Graf W H.Flow around a Cylinder:Shallow-Water Modeling with Diffusion-Dispersion[J].Journal of Hydraulic Engineering,1998,124(4):419-429.