Groundwater in the hydrological cycle; Hydraulic properties of porous media (porosity, hydraulic conductivity); One-dimensional flow in confined, unconfined and leaky aquifers; Solution of the radially symmetric flow in different types of aquifers and pumping tests; Analysis of two-dimensional horizontal flow with analytical, graphical and numerical (finite difference) methods; Mechanisms of mass transport in porous media (advection, dispersion, sorption, decay); Analytical solution of the one-dimensional mass transport equation in porous media.