In: Acta Hydrologica Slovaca, vol. 18, no. 1
Cyril Siman - Yvetta Velísková
Pollution transport in surface streams – elementary terms and principles of modeling
Year, pages: 2017, 39 - 48
Keywords: water quality, pollution, surface streams, mixing, dispersion, advection
Original source URL: http://www.ih.sav.sk/ah
Presence of water in liquid state is, together with oxygen in atmosphere, elementary condition of life in the world. For human, but also for others organisms, is necessary that water was suitable for drinking without risk of damage. Water quality in Slovakia, but in others countries of the world has decreased during the 20th century. In some countries of the world this trend continues even today, but for example the quality of water in some river parts at Slovakia territory, has generally improved after 1989 Performed measures only mitigate human impact on the water quality. It’s mainly due to population density increasing and urbanization along rivers, also due to excessive and unnatural exploitation of water sources, as well. While in the past, point sources of pollution was considered like the biggest source of pollution in surface streams, after the installation of treatments plants of urban and industrial waste water, nonpoint - diffuse sources of pollution happened like the important source of pollution in river basin. Pollution from both types of pollution sources often gets to surface streams. After entry of pollutant to surface streams, mixing processes start. These processes are divided into four stages, while the concentration of pollution in streams going to lower, as well. The article includes basic information relating with problems of water quality and spreading of pollution in surface streams. It explains elementary relations, terms and mechanisms of pollution transport in surface streams.
How to cite:
Siman, C., Velísková, Y. 2017. Pollution transport in surface streams – elementary terms and principles of modeling. In Acta Hydrologica Slovaca, vol. 18, no.1, pp. 39-48. 2644-6291 (printed until 2018).
Siman, C., Velísková, Y. (2017). Pollution transport in surface streams – elementary terms and principles of modeling. Acta Hydrologica Slovaca, 18(1), 39-48. 2644-6291 (printed until 2018).