Download PDF Environmental Modeling Using MATLAB by Ekkehard Holzbecher

Sinopsis

There are various types of models in the environmental sciences, and surely there is no unique opinion about the essence of an environmental model. Differences may mainly concern the scope of the models and the modeling methods. Concerning the scope, this book is relatively open; i.e. examples from different branches of environmental science and technology are included, mainly from the hydrosphere and the geosphere, and also from the biosphere and the atmosphere. However, the examples are selected for demonstration purposes and can in no way represent the vast variety of phenomena and approaches, which can be met in publications and studies of all types of environmental systems.
 

Concerning the methods, the book does not represent the entire field either. In this book modeling is process-oriented and deterministic. These two terms characterize almost all presented methods, which, according to many opinions, represent the most important approach to understand environmental systems. There are environmental problems, for which other approaches not tackled here work more successfully. Statistical or stochastic methods are not mentioned, for example. Data processing, either graphical or numerical, as for example in Geo-Information Systems (GIS), appears rudimentary in this book.
 

Processes are in the focus of the presented approach. In the modeling concept of this book processes can be of physical, chemical or biological nature. The reproduction of biological species is a process, death is another; degradation of biochemical species, or decay of radioactive species are other examples. Some relevant processes are explained in detail: diffusion, dispersion, advection, sorption, reactions, kinetic and/or thermodynamic and others.

Content

1. Introduction
2. Fundamentals of Modeling, Principles and MATLAB
3. Transport
4. Transport Solutions
5. Transport with Decay and Degradation
6. Transport and Sorption
7. Transport and Kinetics
8. Transport and Equilibrium Reactions
9. Ordinary Differential Equations – Dynamical Systems
10. Parameter Estimation
11. Flow Modeling
12. Groundwater Drawdown by Pumping
13. Aquifer Baseflow and 2D Meshing
14. Potential and Flow Visualization
15. Streamfunction and Complex Potential
16. 2D and 3D Transport Solutions (Gaussian Puffs and Plumes)
17. Image Processing and Geo-referencing
18. Compartment Graphs and Linear Systems
19. Nonlinear Systems
20. Graphical User Interfaces

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