SPorDyn: A Python code for modeling the evolution of soil pore size distribution after tillage

Chandrasekhar, Parvathy, Kreiselmeier, Janis, Schwen, Andreas, Weninger, Thomas, Julich, Stefan, Feger, Karl-Heinz and Schwärzel, Kai, (2019). SPorDyn: A Python code for modeling the evolution of soil pore size distribution after tillage. MethodsX, 6 2118-2126

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  • Sub-type Journal article
    Author Chandrasekhar, Parvathy
    Kreiselmeier, Janis
    Schwen, Andreas
    Weninger, Thomas
    Julich, Stefan
    Feger, Karl-Heinz
    Schwärzel, Kai
    Title SPorDyn: A Python code for modeling the evolution of soil pore size distribution after tillage
    Appearing in MethodsX
    Volume 6
    Publication Date 2019-09-13
    Place of Publication Amsterdam, Netherlands
    Publisher Elsevier B.V.
    Start page 2118
    End page 2126
    Language eng
    Abstract Surface soil structure is very responsive to natural and anthropogenic impacts and these changes alter soil hydraulic properties and the soil water budget. In the midst of a dearth of efforts to capture soil structural dynamics, an analytical solution to the Fokker-Planck Equation with physically-based coefficients has shown promising results in predicting the evolution of soil pore space in agricultural soils. In this study, the Python code for the analytical solution is shown along with steps to estimate coefficients leading towards obtaining the analytical solution. • Python code for modeling the evolution of soil pore space based on an existing model is shared. • The code for the estimation of physically-based coefficients of the model and parameter optimization are also shown. • The final output of the model may be used in estimation of soil water retention and hydraulic conductivity functions.
    Keyword Pore evolution model
    Soil structure
    Temporal dynamics
    Tillage
    Copyright Holder The Authors
    Copyright Year 2019
    Copyright type Creative commons
    DOI 10.1016/j.mex.2019.09.014
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    Created: Thu, 30 Jan 2020, 23:45:38 JST by Eric Siegmund on behalf of UNU FLORES