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English wiki-site

freshsalt.deltares.nl

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Lecture Notes Density Dependent Groundwater Flow

Beschrijving

: Salt

Water Intrusion and Heat Transport

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
-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

8 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

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introduction

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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

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Animations: examples of salinisation processes

3D zoet-zout verdeling ondergrond NL
 Evolution of a freshwater lensDutch profile with extraction
Henry's profile with sea level rise
3D zoet-zout verdeling ondergrond NL
 Profile over 3D model: autonomous salinisation, sea level rise Movement of the island De Griend (NL): creation of a freshwater lens
Fresh water injection to combat salinisation
3D zoet-zout verdeling ondergrond Texel
Regional groundwater flow, partly captured by a sandy boil 
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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
Fresh water injection to combat  salinisation
3D zoet-zout verdeling ondergrond Texel
Henry's profile with sea level riseRegional 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:
autonomous salinisation,
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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Henry's profile with sea level rise
Physical barrier in the coastal zone
Dutch profile
with
extraction, upconing and low inland levels
Profile over 3D model:
autonomous salinisation,
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
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Upconing saline groundwater under a low-lying area
Ontwikkeling van een zoetwaterlens