Arrey, I. A.Odiyo, J. O.Makungo, R.Kataka, M. O.2022-11-042022-11-042017-10-17Arrey, I. A., Odiyo, J. O., Makungo, R. and M. O. Kataka.2018. Journal of Hydroinformatics 20, 1, 88-99.Doi: 10.2166/hydro.2017.091http://hdl.handle.net/11602/2325A one-dimensional vadose zone model was used to simulate flow under natural boundary conditions. The effects of hysteresis and temporal variability of meteorological conditions were evaluated. Simulations were performed in HYDRUS-1D code for the period April 2013–January 2014 (6601 hours) at three different locations in a delineated portion of the sub-quaternary catchment A80A of Nzhelele with different soil textures. Soil hydraulic characteristics were estimated in a Rosetta library dynamically linked to the HYDRUS-1D model which is based on the numerical solution of a one-dimensional Richard’s equation. Analysis of the simulation results suggests that ignoring hysteresis for soils of similar textural class does not lead to any significant deviation of the model predicted soil moisture, unlike for soils with different textural classesenHYDRUS-1DUCTDRichard’s equationsoil hydraulic propertiesvadose zoneArticleArrey I A, Odiyo J O, Makungo R, Kataka M O. Effect of hysteresis on water flow in the vadose zone under natural boundary conditions, Siloam Village case study, South Africa. 2017; http://hdl.handle.net/11602/2325.Arrey, I. A., Odiyo, J. O., Makungo, R., & Kataka, M. O. (2017). Effect of hysteresis on water flow in the vadose zone under natural boundary conditions, Siloam Village case study, South Africa. http://hdl.handle.net/11602/2325Arrey, I. A., J. O. Odiyo, R. Makungo, and M. O. Kataka "Effect of hysteresis on water flow in the vadose zone under natural boundary conditions, Siloam Village case study, South Africa." (2017) http://hdl.handle.net/11602/2325TY - Article AU - Arrey, I. A. AU - Odiyo, J. O. AU - Makungo, R. AU - Kataka, M. O. AB - A one-dimensional vadose zone model was used to simulate flow under natural boundary conditions. The effects of hysteresis and temporal variability of meteorological conditions were evaluated. Simulations were performed in HYDRUS-1D code for the period April 2013–January 2014 (6601 hours) at three different locations in a delineated portion of the sub-quaternary catchment A80A of Nzhelele with different soil textures. Soil hydraulic characteristics were estimated in a Rosetta library dynamically linked to the HYDRUS-1D model which is based on the numerical solution of a one-dimensional Richard’s equation. Analysis of the simulation results suggests that ignoring hysteresis for soils of similar textural class does not lead to any significant deviation of the model predicted soil moisture, unlike for soils with different textural classes DA - 2017-10-17 DB - ResearchSpace DP - Univen KW - HYDRUS-1D KW - Richard’s equation KW - soil hydraulic properties KW - vadose zone LK - https://univendspace.univen.ac.za PY - 2017 T1 - Effect of hysteresis on water flow in the vadose zone under natural boundary conditions, Siloam Village case study, South Africa TI - Effect of hysteresis on water flow in the vadose zone under natural boundary conditions, Siloam Village case study, South Africa UR - http://hdl.handle.net/11602/2325 ER -