CAJ | 학술논문

根据地下水污染的过程提出了一种简易垃圾填埋场对地下水污染风险的评价方法。首先假定地下水污染风险的表征，划定5个风险等级的分布范围，然后使用MODFLOW和MT3D软件以反演的方式推算出这5个风险发生时的污染源强，以此对某简易垃圾填埋场地下水污染风险作出评价，最后针对未来周边地下水开采量将会增加等场景，通过数值模拟得到了可能促使较高风险发生的因素，提出了降低风险等级的措施。结果表明，基于物理过程的地下水污染风险评价方法可以反映地下水的动态特征和污染物的运移状况，还可以对多种假设场景进行验证，对于风险受体来说，可以较好地刻画风险水平的分布。
근거지하수오염적과정제출료일충간역랄급전매장대지하수오염풍험적평개방법。수선가정지하수오염풍험적표정，화정5개풍험등급적분포범위，연후사용MODFLOW화MT3D연건이반연적방식추산출저5개풍험발생시적오염원강，이차대모간역랄급전매장지하수오염풍험작출평개，최후침대미래주변지하수개채량장회증가등장경，통과수치모의득도료가능촉사교고풍험발생적인소，제출료강저풍험등급적조시。결과표명，기우물리과정적지하수오염풍험평개방법가이반영지하수적동태특정화오염물적운이상황，환가이대다충가설장경진행험증，대우풍험수체래설，가이교호지각화풍험수평적분포。
This paper presented a groundwater pollution risk assessment method of simple waste landfill based on groundwater pollution process. Firstly,it assumed the risk characterization of groundwater pollution before delimit the five levels of risk distribution;secondly,it used the MODF-LOW and MT3D software to determine the pollution intensity of each risk level through the method of inversion;thirdly,it took it as a criterion to evaluate the risk level of a simple waste landfill;finally,according to the case that exploitation of the groundwater will increase in the future,it ob-tained the factors that may cause a higher risk level by numerical simulation and put forward some measures to reduce the risk level. The results show that groundwater pollution risk assessment method based on the physical process can reflect the dynamic characteristics of the groundwater and the migration of contaminant;meanwhile,it can verify a variety of hypothetical scenarios,which can describe the level of risk distribution well for risk receptors.