Section 1: Decision support systems Flood risk management in valleys with dams; Development of a decision support system for estuarine modelling using the case based reasoning technology; Optimal pumping scheduling model for energy cost minimization: two different resolution methods. Section 2: Irrigation water management and planning Optimal irrigated cropping pattern of a multicrop system under water scarcity constraints; Economic evaluation of alternative irrigation systems for sugarcane in the Burdekin delta in north Queensland, Australia; Irrigation water consumption through remote sensing. Comparison at different scales in Zhanghe irrigation system, China; From rain to grain: A model integrated water management system. Section 3: River basin management River basin management and the national water resources policy in Brazil; Simulation models for water resources management in Chikugo River basin; Sustainable water resources management in the wider hydrological basin of Volos; Establishment and management of riparian buffer zones in Han River basin, Korea. Section 4: Residential water management Performance Indicators for water supply networks: a real case study; Instantaneous residential water demand as stochastic point process. Section 5: Wastewater treatment and management A wastewater treatment plant with the reed-bed technology; Waste water treatment with high solid anaerobic digestion (HSAD); process; Study on the factors affecting coagulation and flocculation in treatment of industrial effluents; Decentralized water disposal systems to optimize the water resources management of the Lausitzer-Neisse river catchment area. Section 6: Quality and pollution control Uncertainty and sensitivity analysis of river water quality model parameters; Water quality modelling as an environmental issue; Impact of point sources and diffuse sources on stormwater quality in Orange, NSW, Australia. Section 7: Flow in pipes and open channels Calibration of the water distribution network model; Advection-dispersion transport in water distribution networks with intermittent flow; Secondary flow in a sine-generated open channel. Section 8: Hydrological modelling Assessing hydrological impacts facing lack of data - hydrological minimalism; Modeling the water consumption of the sparse canopy: Operational approach; Lumping process of distributed parameter runoff models based on equivalent frequency response method. Section 9: Groundwater flow Modelling two groundwater scenarios in an aquifer near Florence; Hydrodynamic parameter estimation in a horizontal unsaturated soil column; ANN and GA methods to identify the non-point contamination flux to groundwater; Solving a double porosity soil characteristic curve with the quasi-Newton method (BFGS); Modelling uncertainties in the stationary seepage problem; The Ogallala Aquifer. Section 10: Coastal and estuarine flow A mathematical model for estimating the pollution exchange coefficient of small tidal embayments; Study on environmental change and peculiarity of the Ariake Sea, Japan. Section 11: Reservoirs and lakes Deriving efficient reservoir operating rules using flexible stochastic dynamic programming; Experimental -numerical model interaction: example of a large dam project in Laos; Mathematical model aided investigation of hydrodynamic properties of Ulubat lake; Sediment control in the basin of Kastoria lake.