Abstract: The phreatic surface in an unconfined aquifer exists as a movable interface between the saturated and unsaturated zones. The movement of the phreatic surface depends on recharge, hydraulic conductivity, porosity, and ...

Abstract: A two-dimensional un-steady-state moisture flow model has been developed in order to describe the leachate flow process in a landfill. The unsteady variation of leachate mound head has also been considered in the saturated ...

Abstract: A numerical model is developed to compute the time variation of leachate flow in landfills. The two‐dimensional moisture‐transport equation, along with the boundary conditions, is solved using an implicit finite difference ...