The GAIA Information System will be applied in the following educational course(s):

Introduction to Environmental Modelling and Simulation

Prof. Dr. Magdiel Ablan

(Beginning in October 1997, this course will be part of the undegraduate program of the Systems Eng. School, Univesidad de los Andes, Venezuela)

CONTENT:

Part I. Basic Concepts of Simulation and Modeling of Environmental Systems

1.- Numerical integration, finite differences.
Sensitivity, calibration and evaluation.
Linear models: exponential dynamics, single population models, first-order kinetics.
Non-linear models: logistic dynamics, Michaelis -Menten - Monod.
2.- Stability, environmental variability, populations under environmental stress, natural and human-induced disturbances.
3.- Sensitivity analysis:
full factorial designs, Latin Hypercubes, Monte Carlo method. Random variables.

Part II. Population Models

4.- Age and size structure in populations.
Time delays. Projection matrix. Life cycles and networks. Stability.
5.- Species Interactions and Communities.
Two-species communities: predator-prey, competition. mutualism, host-parasite.
Multi-species communities: three, four and many species.
Structure, composition, diversity.
Trophic chains.

Part III. Environmental Models

6.- Ecosystems:
biogeochemical cycles, primary productivity.
Compartment models.
Biophysical processes: photosynthesis,
diffusion and rate limited processes, respiration.
7.- Terrestrial ecosystems:
Soil, plant and water interactions.
Evapotranspiration.
Crop models.
Soil contamination and erosion.
Weather generators.
8.- Non-point source pollution models.
Hydrological models.
Pesticide run-off models.
Spatial analysis and linkages to GIS.
9.- Hydrodynamics and transport/fate models.
Water quality models.
BOD and oxygen dynamics.
Rivers, lakes and estuaries.
Finite difference analysis.

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