Water quality of the Pannonian Basin rivers Danube, Sava, and Tisa and its correlation with air temperature in Serbia
2015
Pantelić, Milana M. (Faculty of Science, Novi Sad (Serbia). Climatology and Hydrology Research Centre) | Dolinaj, Dragan M. (Faculty of Science, Novi Sad (Serbia). Climatology and Hydrology Research Centre) | Leščešen, Igor I. (Faculty of Science, Novi Sad (Serbia). Department for Geography, Tourism and Hotel Management) | Savić, Stevan M. (Faculty of Science, Novi Sad (Serbia). Climatology and Hydrology Research Centre) | Milošević, Dragan D. (Faculty of Science, Novi Sad (Serbia). Climatology and Hydrology Research Centre)
The rivers Danube, Sava and Tisa belong to the Black Sea river basin and they flow through many European countries, while in Serbia they flow through the Pannonian flatland. The water quality of these rivers, which is affected by complex anthropogenic activities and natural factors, is one of important factors that are taken into account in the evaluation of development sustainability of this region. Using the correlation analysis in this paper we tested the impact of air temperature as a natural factor on certain parameters indicating the water quality. A significant correlation was found between air temperature and total nitrogen oxides in the Danube of up to -0.744, namely of -0.740 on the Tisa, and -0.299 on the Sava. A significant correlation was found in electrical conductivity - up to -0.793 on the Danube, -0.226 on the Tisa, and 0.380 on the Sava. Correlation links were found between air temperature and oxygen, Biochemical oxygen demand, as well as suspended matters saturation percentage, but their correlation values are significantly lower. Based on the results of the research it was concluded that air temperature had low effect on changes in water quality during the year and that anthropogenic impact was far more dominant.
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