Abstract
The physical propertieses of aquifer such as hydraulic conductivity vary spatially even if the aquifer seems to be uniform. This causes spatial varieties of Darcy velocity distribution, and water path flow may exist in the aquifer. However, it is impossible to grasp the spatial distribution of hydraulic properties by field test, and such an inhomogeneity is ignored in the numerical simulation for groundwater flow. In this study, numerical simulations were carried out using the spatial distribution model of hydraulic conductivity for simple rectangular domains. And the influences of the spatial resolution and the aspect ratio of the domains for statistical property of the velocity distribution were investigated. It was shown that local water path can be expressed by numerical simulation using spatial distribution model of hydraulic conductivity.