Variable-Density Flow and Mass Transport in an Unsaturated-Saturated Aquifer under Horizontal Groundwater Flow Conditions: a 2-D Numerical Modelling Study of Flow Regimes and Parameter Sensitivity

Jiaqi Liu, The University of Tokyo, Kashiwa, Japan; Japan Society for the Promotion of Science, Tokyo, Japan and Tomochika Tokunaga, The University of Tokyo, Department of Environment Systems, Graduate School of Frontier Sciences, 5-1-5 Kashiwanoha, Kashiwa-shi, Chiba 277-8563, Japan