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English wiki-site

freshsalt.deltares.nl

Density Dependent Groundwater Flow

Beschrijving: Salt Water Intrusion and Heat Transport
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
-Brine groundwater
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 of salt water intrusion
-Countermeasures to control salt water intrusion
-Monitoring of salt water intrusion
6 Numerical modelling
-Introduction
-Problems with 3D modelling of salt water intrusion
-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

PART II Heat transport in porous media: concept

8 Introduction
-Heat transport: conduction-convection equation
-Analogy of heat and solute transport
-Linear stability analysis
-Double-diffusive convection



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

Animations: examples of salinisation processes

3D zoet-zout verdeling ondergrond NL
Henry's profile with sea level rise
3D zoet-zout verdeling ondergrond NL
 Profile over 3D model: autonomous salinisation, sea level rise
 3D zoet-zout verdeling ondergrond Texel
 Evolution of a freshwater lens
Image Modified
 Image Modified
 Image Modified
Image Modified
 
Image Modified
 
Henry's profile with sea level rise
3D zoet-zout verdeling ondergrond NL
Movement of the island De Griend (NL): creation of a freshwater lens
3D zoet-zout verdeling ondergrond
Texel
NL
 
Henry's profile with sea level rise
Dutch profile with extraction, upconing and low inland levels
 Profile over 3D model: autonomous salinisation, sea level rise
 Movement of the island De Griend (NL): creation of a freshwater lens
 Evolution of a freshwater lens
Image Modified
 Image Modified
 Image Modified
Image Modified
 
Image Modified
 
Henry's profile with sea level rise
Dutch profile with extraction, upconing and low inland levels
Profile over 3D model: autonomous salinisation, sea level rise
Movement of the island De Griend (NL): creation of a freshwater lens
Evolution of a freshwater lens