[tag] p_b

Pressure scaling parameter with units of pressure.

Corresponds to van Genuchten parameter \(\rho g / alpha\). The inverse of \(\alpha\) "corresponds to the water contents lower then saturation" [1].

[1] van Lier, Quirijn de Jong, and Everton Alves Rodrigues Pinheiro. "An alert regarding a common misinterpretation of the van Genuchten α parameter." Revista Brasileira de Ciência do Solo 42 (2018).

Additional info

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Used in the following test data files

Used in no end-to-end test cases.