Bathymetry investigations of Svitiaz lake in the area of probable water supply underground sources location
DOI:
https://doi.org/10.32347/2411-4049.2020.2.53-71Keywords:
West Polesie, Svitiaz Lake, bathymetry surveys, karst hollow – “tonia”, sediments, “Shatskiy” BioreserveAbstract
The question of ecological safety level decreasing within the West Polesie protected territories that concern changes in hydrological conditions driven by intensification of the influence of climate changes and anthropogenic loads, has been considered in the paper. Statistical analysis and field instrumental measurements were used for estimation the influence of regional climate on hydrological conditions within the territory. According to bathymetry surveys and geoinformation analysis results, the siltation degree of the deepest hollows of Svitiaz Lake was estimated. Hypotheses concerning the ways of underground water supply as well as the reasons for water level decreasing in the Lake were formulated, taking into account climatic conditions within the West Polesie territory: the lake is filled by infiltration of water from aquifers through permeable rocks; water infiltration occurs not only within the fault of Lake Svityaz, but also in its flatter part; significant intensity of trajectories (water streams) within the fault allows us to conclude that the main filling of the lake occurs within this part due to the opening of permeable rocks, which contributes to a more intensive release of groundwater.
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Copyright (c) 2020 Olga V. Alokhina, Mykola M. Korus, Dariia V. Ivchenko, Natalia A. Pits, Vitaliy V. Turych
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