MODPATH-RW is a Random Walk Particle Tracking (RWPT) model, implemented by extension of the particle tracking program MODPATH-v7. The code employs discrete solute particles to solve the Advection ...

I wonder how the latest version of Modpath-7 (the provisional version) handles the dry and partially saturated cells in a MF6 Newton Raphson solution. The two attached figs (the dashed lines = cell ...