地表地下耦合的水量及溶质运移模拟研究进展

Research Progress on Surface-Subsurface Hydrologic and Solute Transport Models

地表水与地下水之间存在强烈的相互作用,构建地表水和地下水耦合的水量和溶质运移模型可以揭示地表水和地下水之间的相互作用机制,并提高地表地下水量水质预测的精度。介绍了现有的地表地下耦合的水量及溶质运移模型,对比了各模型的求解方法和适用领域,总结了这些模型的应用现状。其中水量模型中全耦合模型精度较高,是未来模型发展的主流方向,溶质运移模型中溶质反应过程模拟较为欠缺。未来应在优化求解算法、提高溶质反应模拟和加强裂隙介质模拟等方面深入开展相关研究。

There are strong interactions between surface and subsurface water.Constructing hydrologic and solute transport models that couple surface and subsurface water can study their interaction and improve the modelling accuracy.The existing surface-subsur⁃face hydrologic and solute transport models were introduced.The solving algorithms and application fields of each model were com⁃pared,and the model applications were summarized.Global implicit models have the highest accuracy,which would be the hotspot in the future.Solute reaction simulation is lacking in the current coupled solute transport models.In the future,research should be carried out on the optimization of solving algorithms,solute reaction simulations,and fractured porous medium simulations.