A simple method for estimating the convection-dispersion equation parameters of solute transport in agricultural ecosystem | Zendy

Hui Shi | Zendy; Jiyong Zheng | Zendy; H. B. Shao | Zendy; Huixin Wang | Zendy; Fu Quan Chen | Zendy

Open Access

A simple method for estimating the convection-dispersion equation parameters of solute transport in agricultural ecosystem

Author(s) -

Hui Shi,

Jiyong Zheng,

H. B. Shao,

Huixin Wang,

Fu Quan Chen

Publication year - 2013

Publication title -

african journal of biotechnology

Language(s) - English

Resource type - Journals

ISSN - 1684-5315

DOI - 10.5897/ajb11.465

Subject(s) - simple (philosophy) , uniqueness , dispersion (optics) , convection–diffusion equation , convection , mathematics , key (lock) , agriculture , porous medium , mathematical optimization , environmental science , computer science , biological system , soil science , statistical physics , mechanics , mathematical analysis , physics , ecology , geology , geotechnical engineering , porosity , biology , philosophy , computer security , epistemology , optics

The convection-dispersion equation (CDE) is the classical approach for modeling solute transport in porous media. So, estimating parameters became a key problem in CDE. For statistical method, some problems such as parameter uniqueness are still unsolved because of more factors. Due to the advantage of clear physical concept and unique parameter values, the simple deterministic method became very useful alternatives. In this paper, a simple method was proposed to estimate both D and R, and the validity was verified by experiment, which can be applied in agriculture and environmental fields for predicting soil quality property.

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