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Solute Transport in Porous Media
This lecture covers the advection-diffusion/dispersion equation for solute transport in 1D saturated porous media, including spatially constant porosity and transport coefficients. It also discusses initial and boundary conditions, reactions as sources and sinks, and the ADR equation. The PHREEQC software for transport modeling is introduced, along with terminology for boundary conditions. The lecture delves into open and closed boundaries, entrance and exit conditions, and the impact of reactions on solute transport. It concludes with a detailed explanation of the numerical methods and options for transport modeling in PHREEQC.