Visn. Nac. Akad. Nauk Ukr. 2017. (8): 29-46

V.I. Osadchyi
Ukrainian Hydrometeorological Institute of State Emergency Service of Ukraine and National Academy of Sciences of Ukraine, Kyiv

According to the materials of scientific report at the meeting of the Presidium of NAS of Ukraine, May 31, 2017

Assessment of the influence of natural and anthropogenic factors on forming of chemical composition and quality of surface water of Ukraine is performed. Transformation of the substances after entering the water media is presented. It is concluded that surface water of Ukraine is characterized by quite efficient buffer capacity. Therefore, despite the significant amount of chemical substances of anthropogenic origin entering water media, the majority of Ukrainian rivers, lakes and reservoirs are still characterized as having self-purification ability. It is found that decrease of pollutants amount input to the surface water, which was caused by decline of Ukrainian industry in 1990s, led to the stabilization and in certain cases even to the slight improvement of ecological state of surface water. Influence of climate element on changes in conditions of water flow forming for Ukrainian rivers is highlighted.
Keywords: resources and quality of surface water, anthropogenic load, climate changes, bottom sediments, water eco-systems, water flow.

Language of article: ukrainian



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