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Module 10Environmental Systems Modelling

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

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

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

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 ModellingWEST/OpenMILorenzo Benedetti (MostForWater)Zoran Vojinovic (UNESCO-IHE)Ann van Griensven (UNESCO-IHE)

Author. A. van Griensven 6

Fate model for toxicants: with/without sediment interaction

Author. A. van Griensven 7

ESM: Ecological impact

Physical quality

Chemical quality ?

?

Aquatic biologyH. Lubberding

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

HABITATValesca Harezlak (Deltares)

Author. A. van Griensven 9

ESM: Excursion to Scheldt riverFlanders Hydraulics + Dredging company DEME+ Boat tour with JJ Peters

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!