- #1

Stephen Tashi

Science Advisor

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## Summary:

- Do the equations for groundwater flow contain terms representing the density of water in the soil?

As I understand Darcy's law, it computes the flux of water through an area. The same value of flux can be the realized by different combinations of a density of water in the soil and the velocity of that water. So. as far as I can see, Darcy's law is ambiguous about which combination of density and velocity occurs. Is that a correct interpretation? Are there other equations that deal with the density and velocity?