Journal article

Pedotransfer functions for estimating saturated hydraulic conductivity: Implications for modeling storm flow generation

JA Sobieraj, H Elsenbeer, RA Vertessy

Journal of Hydrology | Published : 2001

Abstract

We evaluated the performance of nine published pedotransfer functions (PTFs) for estimating saturated hydraulic conductivity (Ks) in modeling the stormflow generated in a rainforest catchment. Using available input data consisting of particle size distribution, bulk density, and saturated moisture content information, these empirically-based PTFs were found to be inadequate in estimating Ks for this catchment. At shallow depths (0-0.1 m), PTFs commonly underestimated Ks by variable amounts with the exception of the Jabro PTF, which either overestimated Ks or was not significantly different from measured values. At subsequent depths (0.1-0.4 m), PTFs typically overestimated Ks by variable amo..

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