1. 1 Module 10 Environmental Systems Modelling

2. Author. A. van Griensven 2 Learning objectives Understand and explain the chemical and biological processes affecting water quality in the natural environment Select and combine the appropriate mathematical modelling tools for a water quality problem in natural open channels Support integrated water management with analytical tools

3. Author. A. van Griensven 3 Course structure Introduction to Environmental systems modelling by Mynett and Li Hong (IWA) Water quality policy and processes by van Griensven Water quality modelling by Smits (Deltares) HABITAT modelling by Valesca Harezlak (Deltares) Wastewater treatment modelling by Nopens (Univ. of Ghent) and Vanrolleghem (Univ. of Laval, Canada) Integrated water quality modelling by van Griensven and Benedetti (Most for Water, Belgium) Fieldtrip to Belgium, Peters (Flanders Hydraulics) and van Griensven

4. Author. A. van Griensven 4 Foto: Ilona Leyer catchment navigation Pollution: non-point nutrient loads Pollution: point sources Water retention water quality Nature protection hydrology ecology morphodynamics flood prevention hydrology

5. Author. A. van Griensven 5 ESM: Water quality processes Diffuse Pollution modelling (SWAT) Ann van Griensven (UNESCO- IHE) Water Water Treatment modelling (WEST) Ingmar Nopens (Ghent University) Water Quality Modelling (DELWAQ) Leo Postma (Deltares) Integrated Water Quality Modelling WEST/OpenMI Lorenzo Benedetti (MostForWater) Zoran Vojinovic (UNESCO-IHE) Ann van Griensven (UNESCO-IHE)

6. Author. A. van Griensven 6 Fate model for toxicants: with/without sediment interaction

7. Author. A. van Griensven 7 ESM: Ecological impact Physical quality Chemical quality ? ? Aquatic biology H. Lubberding

8. Author. A. van Griensven 8 Module 10: Spatially distributed environmental and processes Cellular Automata Li Hong (UNESCO-IHE, Deltares) Quiwen Chen (Chinese acad. of science)v HABITAT Valesca Harezlak (Deltares)

9. Author. A. van Griensven 9 ESM: Excursion to Scheldt river Flanders Hydraulics + Dredging company DEME+ Boat tour with JJ Peters

10. Author. A. van Griensven 10 Tools Concepts: Agent based models Cellula Automata Fuzzy logic, Artificial Neural Network, Decision tree Deterministic models Softwares: SWAT, DELWAQ, WEST, HABITAT,MATLAB,PCRaster… … with understanding!