Abstract
The waters of rivers are not only used for consumption, industry and agriculture but have also found their way into the transport and energy generation sectors. Many disturbances introduced into the aquatic environment are of the natural variety, which are the result of “admixtures” contained in water, e.g., through contact with soil, and of man-made types, which are directly related to humanities destructive influences. In the presented examinations, the most important processes affecting the spread and transport of these pollutants are taken into account, i.e., advection and diffusion. The authors present observations on the influence of the diffusion phenomenon on river flow modelling processes. Such an approach allows for the separation of the dynamics of water flow and the dynamics of transport of the dissolved substance mass. Specifically, phenomena occurring in relation to spatial coordinates, time and variable parameter values in the proposed mathematical model were analysed. Ultimately, this research will contribute to the correct design and implementation of a complementary diffusion module as an extension to an intelligent water quality control and monitoring system. The Intelligent Analytical Computing Control System architecture under development already includes other modules such as the Intelligent Filtration and Prediction Module and, complemented by the Intelligent Diffusion Module, provides a complementary tool for monitoring river hydromorphology. Implementation of the above solution will help to improve water quality, thus preventing and eliminating the appearance of undesirable pollutants in rivers, and increase the standard of living in the current threatened environmental world.
Highlights
In the age of rapid change and rapid civilisational development, the terms ecology and environmental protection are becoming increasingly important
Biochemical oxygen demand BOD5 is a conventional indicator of organic pollution, while Biochemical Oxygen Demand (BOD) is a representation of the decomposition processes of organic compounds in water
In view of the assumptions made based on the mathematical model of a polluted river described by Equations (10) and (13), a number of simulation studies were conducted, taking into account that measurements are made along the characteristics of free-flowing water
Summary
In the age of rapid change and rapid civilisational development, the terms ecology and environmental protection are becoming increasingly important. The environment influences man, and man influences the place in which he lives, with the difference that our influence is often destructive. Much of this inappropriate activity can be eliminated by adopting an environmentally friendly attitude. The requirements for water composition are continually increasing, which is why water purity tests are constantly conducted. This has resulted in the improvement and implementation of highly efficient and often unconventional manufacturing processes that protect the environment. We humans pose a very great threat to this precious resource
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