Volume II.II.1 Porous Medium Applications.Characterization and sensitivity analysis of tracer breakthrough curves (T. Vogel, D. Bachmann, J. Köngeter). Assessing wellhead protection using reliability methods (M.I. Jyrkama, J.F. Sykes). Numerical modeling of mine water rebound in Saizerais, northeastern France (C. Boyaud, R. Therrien). Numerical simulation of radionuclide transport in unsaturated heterogeneous porous media (J. Aquino et al.).Smeared fractures: a promising approach to model transfers in fractured media (A. Fourno et al.).Finite volume scheme in two or three dimensions for a diffusion-convection equation appliedto porous media with CASTEM2000 (C. Le Potier). Numerical simulation and sensitivity analysis of radionuclide transport in a fractureddolomite formation (J.F. Kanney). Using water jets for increasing reactive barrier efficiency in contaminated soil: a preliminaryevaluation (C. Gallo et al.).Behavior of the mixed hybrid finite element method for the solution of diffusion equationson unstructured triangulations (A. Mazzia, M. Putti). II.2 Computational Science Issues.Object-oriented approach to preprocessing and process modeling in water resources, applicationto the Jericho area (M. Beinhorn, O. Kolditz). The object-oriented design of the integrated water modelling system MOHID (F. Braunschweig et al.).p-Adaptive FEM simulation of fluid flow in porous media based on agent technology (U.F. Meissner, M. Mueller, J. Ruben). Reactive transport modelling on the ALLIANCES software platform (C. Mügler et al.).A problem-solving environment for subsurface flow and transport phenomena (M.W. Farthing et al.).A comparison of computational and algorithmic advances for solving Richards' equation (C.T. Miller et al.).II.3 Optimization and Decision Analysis.A hydraulic capture application for optimal remediation design (K.R. Fowler et al.).Analysis of the impact of layered soil heterogeneity on optimal policies for groundwaterremediation (D. Baú, A.S. Mayer). Using remediation time as an optimization variable in groundwater remediation systems (K.L. Endres, A.S. Mayer). Economic parameters' effects in the optimal design of a groundwater remediation system (M.P. Papadopoulou, G.P. Karatzas, G.F. Pinder). Algorithm for groundwater management formulations with head dependent boundary conditions (D.P. Ahlfeld). Probabilistic risk assessment and multi-criteria decision analysis for the management ofcontaminated subsurface environments (I.M. Khadam, J.J. Kaluarachchi). Optimal groundwater remediation design subject to uncertainty in hydraulic conductivitywith regional geologic variations (K. Ricciardi). A new perspective on modeling groundwater contaminant-driven health risk with subjectiveinformation (M.M. Ozbek, G.F. Pinder). II.4 Parameter Identification.Estimation of parameter uncertainty using inverse model sensitivities (V.V. Vesselinov). Identifying sources of sorbing solutes in groundwater using backward location probabilitiesconditioned on measured concentrations (R.M. Neupauer). A computationally attractive approach for near real-time contamination source identification (S.A. Baun, A.C. Bagtzoglou). A Markov Chain Monte Carlo method for the groundwater inverse problem (Z. Lu, D. Higdon, D. Zhang). Parameter estimation for modeling reductive dechlorination with isotopic fractionation (S.C. Béranger, B.E. Sleep, B. Sherwood-Lollar). Parameter identification of large-scale spatially distributed vadose zone properties (J.W. Hopmans et al.).Numerical modeling of multiphase flow and transport processes in cohesive soils andparameter identification strategies (S.Hölzemann, H. Class, R. Helmig). Formulation of the inverse problem of non-isothermal multiphase flow and reactive transportin porous media (L. Zheng, J. Samper). II.5 Inverse Problems and Data Assimilation.Environmental data assimilation: methods and challenges (D. McLaughlin). Inverse ocean modeling with ADCIRC (J.C. Muccino). Calibration evaluation and sampling strategies for water quality modeling applying thereliability-based approach (T. Supriyasilp). Numerical simulations of dating young groundwater with multiple atmospheric tracers:CFC-11, CFC-12, SF6, 3H/3He and 85Kr (Y. Zhang). Incorporation of soft data to describe uncertainty of data in model calibration (I.M. Khadam, J.J. Kaluarachchi). II.6 Surface and Subsurface Hydrology.Time step and stability control for a coupled model of surface and subsurface flow (M. Putti, C. Paniconi). Parallelization of theWASH123D code - Phase I: 2-dimensional overland and 3-dimensionalsubsurface flows (J.-R.C. Cheng et al.).An integrated three-dimensional surface water and groundwater model to simulate hydrodynamicsand thermal and salinity transport (G.-T. Yeh, H. Shan, G. Hu). Finite element modeling of variably saturated .ows in hillslopes with shallow water table (H. Beaugendre et al.).Modeling Wekiva Springshed, Florida with WASH123D (Y. Li, G.-T. Yeh, M.P. Wanielista). Modeling peatland hydrology and related elastic deformation (M. Camporese et al.).Travel time distributions of subsurface flow along complex hillslopes with exponentialwidth functions (A. Berne et al.).Path sampling method for modeling overland water flow, sediment transport, and shortterm terrain evolution in Open Source GIS (H. Mitasova et al.).A general paradigm of modeling two-dimensional overland watershed water quality (F. Zhang, G.-T. Yeh). On the development of a coupled land surface and groundwater model (R.M. Maxwell, N.L. Miller). Estimation of subsurface discharge in a small lowland watershed of north-eastern Germany:a composite modeling approach (G. Nützmann, S. Mey). II.7 Coastal Processes.New approximation for free surface flow of groundwater in coastal aquifers (D.-S Jeng et al.).Dynamic groundwater and salt transport near a tidal, partially penetrating estuary (A.D. Werner, D.A. Lockington).Lattice Boltzmann model for the Elder problem (D.T. Thorne, M.C. Sukop).Salt water intrusion with heterogeneity and uncertainty: mathematical modeling andanalyses (R. Ababou, A. Al-Bitar). A perturbation solution to the transient Henry problem for seawater intrusion (D.M. Tartakovsky et al.).Effect of tidal oscillations on water exchange and mixing in a coastal aquifer (C. Robinson, L. Li). Simulation of seawater intrusion resulting from proposed expanded pumpage in New YorkCity, USA (P.E. Misut, C.I. Voss). Modeling surface and subsurface hydrologic interactions in a south Florida watershed nearthe Biscayne Bay (H.-C.J. Lin et al.).Stochastic modeling for seawater intrusion risk assessment in exploited coastal aquifers:the Oristano (Sardinia, Italy) case study (G. Lecca, P. Cau). Numerical modeling of seawater intrusion in Khan-Younis area of the Gaza Strip Aquifer,Palestine (K. Qahman, A. Larabi). Tidally induced groundwater fluctuations in aquifers located near the Kenai River, Alaska (S.A. Evans).A 3D finite element model for seawater intrusion in coastal aquifers (A. Aharmouch, A. Larabi). On the coupling of .ow and transport equations for density flow simulations (N. Péquignot, P. Ackerer, A. Younès). II.8 Surface Water.Discontinuous, continuous, and coupled finite element methods for shallow water flows (C. Dawson). A discontinuous Galerkin method for three-dimensional shallow water flows with freesurface (V. Aizinger, C. Dawson). A comparison of continuous and discontinuous Galerkin methods for hydrodynamic transport(J. Atkinson, C. Szpilka, R. Kolar). A Boltzmann approach to shallow water flows (M.S. Ghidaoui, W.G. Gray). Numerical modeling of island wakes in shallow waters (F.C. Chan, M.S. Ghidaoui, Q. Li). Improved MPS method for simulating water flow with irregular free surface (L. Farhadi, B. Ataie-Ashtiani). Resolution and algorithmic in.uences on the baroclinic pressure gradient in finite elementbasedhydrodynamic models (K.M. Dresback, C.A. Blain, R.L. Kolar). Assessment of ADCIRC's wetting and drying algorithm (J.C. Dietrich, R.L. Kolar, R.A. Luettich). Modeling mixing processes in the Columbia River estuary: a model-data comparison (A. Chawla, A.M. Baptista, Y. Zhang). Benchmarking a new open-source 3D circulation model (ELCIRC) (Y. Zhang, A.M. Baptista).Wind-based convolution in limited-area coastal ocean forecasting (D.R. Lynch, K.W. Smith). Stochastic modeling of transport in coastal waters using forward and reverse time diffusion (D. Spivakovskaya et al.).The use of Lagrangian particle methods to investigate ocean-estuary exchange in wellmixedestuaries (J.A. Proehl et al.). Geostatistical space/time estimation of water quality along the Raritan River Basin inNew Jersey (M.L. Serre, G. Carter, E. Money).