摘要
越流含水层系统由于分布广泛、开发潜力大等特点而被大量开发利用,针对其溶质运移模型的研究具有重要的理论价值和现实意义。越流含水层系统溶质运移模型经历了纯对流模型、对流弥散模型和考虑水-岩相互作用的对流弥散模型的发展历程,近年来由黏土构成的弱透水层中的溶质运移问题受到持续关注,建立考虑弱透水层影响的越流含水层系统溶质运移模型成为溶质运移领域的研究热点。对目前基于弱透水层影响的越流含水层系统溶质运移模型方面的研究进行了综述,重点分析了弱透水层中的弥散作用、水-岩相互作用、固结作用、非达西渗流等对越流含水层系统溶质运移的影响,并指出弱透水层中溶质运移规律定量描述、非达西渗流与溶质运移模型的耦合、水动力弥散系数的测定及其尺度效应等方面的研究还需要进一步加强,是未来该领域的重要研究方向。
With the characteristics of wide distribution and huge potentials,the leaky aquifer system is extensively exploited.The study on the model of solute transport in leaky aquifer system has important theoretical values and clear practical application prospects.The model of solute transport in leaky aquifer system has developed from the pure convection model and the convection-dispersion model to convection-dispersion model in consideration of water-rock interaction.In recent years,the research on solute transport in the clay aquitard has attracted increasing attention and triggered a new renovation in solute transport model for leaky aquifer system in view of the influence of aquitard.This paper reviews the research on solute transport model in leaky aquifer system based on the influence of aquitard,taking emphasis on analyzing the influence of dispersion,water-rock interaction,consolidation and non-Darcy flow in aquitard on the solute transport in leaky aquifer system.The paper points out that the most important development directions in future includes the research on quantitatively describing the rule of solute transport in aquitard,coupling of non-Darcy flow and solute transport model,measurement of the hydrodynamic dispersion coefficient and its different temporal and spatial scales,which need to be further strengthened.
出处
《安全与环境工程》
CAS
2016年第3期10-16,共7页
Safety and Environmental Engineering
基金
国家自然科学基金项目(51109192)
中央高校基本科研业务费专项资金项目(CUGL100220)
巨正环保基金项目(201203904)
