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Filmpjes
- Slim Water Management, case Rijnland
- Innovatie in Perkpolder, peilbuizen beschermen grondwater tegen verzilting
- The Challenges of Saline Groundwater
- Zoetwater zelfvoorzienendheid, Deltaproof
- GO-FRESH: Ondergrondse waterbergingsproeven Proeftuin Zuidwestelijke Delta
- Kansrijke oplossingen voor een robuuste zoetwatervoorziening(Uitleg GO-FRESH 3 proeven, 4m20s)
- Kreekrug Infiltratie Proef in bedrijf (2m39s)
- De effectiviteit van het doorspoelen van polders in Nederland
- De bronnen van verzilting, en de lange geschiedenis die eraan voorafgaat, case NL
- Nederland, een Landschap gevormd door Mens en Natuur
Lecture Notes Density Dependent Groundwater Flow
: Salt
water intrusion in coastal aquifers
Auteur: Gualbert Oude Essink
Dictaat: Density Dependent Groundwater Flow
PART I Salt water intrusion in coastal aquifers
1 Introduction
2 Characteristics of a density dependen groundwater system
-Chemical characteristics of water
-Equation of motion (Darcy’s law), continuity and solute transport
-Boussinesq approximation
3 Freshwater head
-Introduction, horizontal flow and vertical flow
4 The concept of a fresh-saline interface
-Badon Ghijben-Herzberg principle
-Evolution of a freshwater lens in a phreatic aquifer
-Upconing of saline groundwater
-Effect of a relative sea level rise
5 Control
-Countermeasures to control salt water intrusion
-Monitoring
of salt water intrusion
6 Numerical modelling
-Introduction
-Some computer codes, MOCDENS3D
-Examples of numerical modelling with MOCDENS3D
-Vertical interface, saltwater pocket in a fresh groundwater environment
-Evolution of a freshwater lens
-Henry’s problem, Hydrocoin, level 1, case 5, Elder problem
7 Salt water intrusion in the Netherlands
8 Heat transport in porous media:
8 Introduction
-Heat transport: conduction-convection equation
-Analogy of heat and solute transport
-Linear stability analysis
-Double-diffusive convection
introduction
Lecture Notes
Groundwater Modelling
Auteur: Gualbert Oude Essink
Dictaat: Groundwater Modelling
PART I Modelling Protocol
1 Introduction
2 Classification of mathematical models
3 Methodology of modelling
4 Data gathering
PART II Groundwater Modelling
5 Introduction
6 Mathematical description of hydrogeologic processes
7 Solution techniques
8 Numerical aspects of groundwater models
9 Some selected groundwater codes
ontwiklens1.aviAnimations: examples of salinisation processes
Henry's profile with sea level rise | 3D zoet-zout verdeling ondergrond NL | Fresh water injection to combat salinisation | 3D zoet-zout verdeling ondergrond Texel | Regional groundwater flow, partly captured by a sandy boil |
---|---|---|---|---|
Henry's profile with sea level rise | 3D zoet-zout verdeling ondergrond NL | Fresh water injection to combat salinisation | 3D zoet-zout verdeling ondergrond Texel | Regional groundwater flow, partly captured by a sandy boil |
Physical barrier in the coastal zone | Dutch profile: extraction, upconing and low inland levels | Profile over 3D model: effect sea level rise on salinisation | Movement of the island De Griend (NL): creation of a freshwater lens | Evolution of a freshwater lens |
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Physical barrier in the coastal zone | Dutch profile extraction, upconing and low inland levels | Profile over 3D model: effect sea level rise on salinisation | Movement of the island De Griend (NL): creation of a freshwater lens | Evolution of a freshwater lens |
Upconing saline groundwater under a low-lying area | Ontwikkeling van een zoetwaterlens |