Um modo alternativo para calcular a porosidade drenável a partir de dados de campo.

Abstract

An alternative way to compute the drainable porosity from measurements of drain discharge rates (q) and height of water table above drain axis (h), is presented and discussed. The drainable porosity was computed from field measurements obtained by Queiroz (1987) and data obtained at experimental drainage field of the ESALQ/USP. The proposed proceeding can be used to estimate the drainable porosity, with accuracy and relative facility, in substitution to graphic procedure used in the drainage literature, to transient conditions.