Abstract
Knowledge of seawater intrusion to aquifer is very important for the efficient use of groundwater in coastal area. Conventional numerical simulation for seawater intrusion was mainly performed in uniform porous media. However it is known that hydraulic conductivity varies spatially. The objective of this paper is to investigate a seawater intrusion behavior in non-uniform porous media by numerical simulation using the spatial distribution model for hydraulic conductivity. The results show that the length of seawater intrusion is affected by the shape of permeability distribution. When the aquifer has laminar structure of permeability, the change of seawater intrusion length is smaller than the general aquifer.
