Comment on "Can we distinguish Richards' and Boussinesq's equations for hillslopes?: The Coweeta experiment revisited" by T. S. Steenhuis et al.

Michel, Christine

Comment on "Can we distinguish Richards' and Boussinesq's equations for hillslopes?: The Coweeta experiment revisited" by T. S. Steenhuis et al.

1999

Michel, Christine

In their paper, Steenhuis et al. [1999] show that Boussinesq's and Richards' equations, when appropriately simplified, yield one and the same analytical description of the flow through a sloping shallow soil hillside. However, both models cannot properly allow for the cumulative outflow as measured during the Coweeta experiment. More surprisingly, when using a more precise numerical integration, they get farther from the actual cumulative curve.

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