| Summary: | 碩士 === 國立中央大學 === 數學系 === 101 === This study discussed the law of groundwater movement and the groundwater environment, and constructed a mathematical model of groundwater movement. The environment
was set as groundwater transport of solute in the saturated layer. The focus of this study
was the physical phenomenon of concentration of solute in groundwater through porous
medium. The solute transport model was influenced by advection, dispersion and dif-
fusion. The physical parameters or empirical parameters related to groundwater solute
transport and the mode of expression and physical significance of these parameters were
discussed. Some chemical reactions of groundwater solute in the groundwater environment
also influenced the migration and distribution of concentration, such as radioactive decay,
infusion and exploitation, adsorption and desorption. These chemical reactions were con-
sidered to approximate the mathematical modeling to real environment. Some numerical
methods and values were used to simulate the solute in groundwater environment, the
concentration migration and distribution of groundwater in the computing range under
the effects of advection, diffusion, reaction and porosity.
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