The Application of Mixed Methods to Subsurface Simulation -- Numerical Simulations by Homogenization of Two-Phase Flow Through Randomly Heterogeneous Porous Media -- A Dynamic Adaptive Method for the Computation of Highly Advective or Highly Dispersive Transport Processes in Fractured Rock -- Lagrange-Galerkin Approximation for Advection-Dominated Contaminant Transport with Nonlinear Equilibrium or Non-Equilibrium Adsorption -- A Parallel Adaptive Finite-Element Semi-Lagrangian Advection Scheme for the Shallow Water Equations -- Practical Aspects of the Simulation of Viscous Flow Using Lattice Boltzmann Automata -- Flow Channeling in Unsaturated Porous Media of Strong Heterogeneity -- Block SSOR Preconditioners for 3-D Groundwater Flow Problems -- A Discretisation for Transport Problems with Dominant Convection Using Characteristics and Finite Elements -- Comparison of Approaches for the Coupling of Chemistry to Transport in Groundwater Systems -- Theoretical and Numerical Aspects of Elasto-Plastic Porous Media Models -- Numerical Simulation of the Multiphase Flow of Contaminants in Porous Media -- Direct and Inverse Modeling of Multiphase Flow Systems -- A Three-Dimensional Numerical Model for the Calculation of Complex Flow and Transport Phenomenas in Reservoirs -- On Numerical Solution Methods for Nonlinear Parabolic Problems -- Fast Solvers for Non-Linear FEM-BEM Equations -- A Multigrid-Homogenization Method -- A Parallel 2D Operator Splitting Method for the Navier-Stokes and Transport Equations -- Dual-Porosity Modelling of Contaminant Transport in Fractured Porous Formations: The Effect of Spatial Varations of Matrix Block Properties -- An Aligned 3D-Finite-Volume Method for Convection-Diffusion Problems.