Author(s)

R. Rajar

Abstract

There are three possible tools for the simulation of water quality processes: (1) physical models (2) field measurements, and (3) mathematical models. The present paper describes the possible application of these three tools and their efficiency. For the water quality studies the application of physical models is limited because the phenomena must usually be simulated in large space domains and because it is difficult or impossible to simulate bio-chemical processes on physical models. Field measurements are very often applied, but the most effective methodology in water quality studies is the combination of mathematical models and field measurements Some special cases of the application of physical modelling are described where physical models are used to reveal certain details of new phenomena. A short description of the r

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