Abstract
In this work, hydrochemical and hydromorphological characteristics of urban reservoirs of southwestern Belarus in the spring of 2020 were investigated. Hydromorphological characteristics of reservoirs were determined by field methods and GIS mapping methods. Hydrochemical assessment of water quality of reservoirs in the spring period was carried out according to 15 indicators. Multivariate statistical methods were used to analyze surface water quality. Based on the analysis of hydrochemical and hydromorphological indicators, an assessment of the ecological state of the reservoirs of the urboterritories of southwestern Belarus in the spring period of 2020 was given. During the study, patterns of distribution of morphometric characteristics of the reservoirs within the studied territory were established. The analysis of hydrochemical characteristics showed that the water quality of urban reservoirs depends on the types of anthropogenic effects.
Highlights
The development of urbanization usually negatively affects the ecological condition of the reservoirs located within the city, which depends on a set of factors, the most important of which is anthropogenic impact
Anthropogenic impact is expressed in the origin of the reservoir, changing its hydromorphological characteristics, the type and sources of pollutants entering the reservoirs of cities, in the degree of recreational load, in unauthorized water intake and waste water discharge, etc
Urban reservoirs are divided into four groups depending on the nature of anthropogenic impact: a) reservoirs in the area of private residential development; b) water bodies of the park area with an expressed recreational load; c) quarry reservoirs and d) reservoirs exposed to the expressed technogenic effects
Summary
The development of urbanization usually negatively affects the ecological condition of the reservoirs located within the city, which depends on a set of factors, the most important of which is anthropogenic impact. Anthropogenic impact is expressed in the origin of the reservoir, changing its hydromorphological characteristics, the type and sources of pollutants entering the reservoirs of cities, in the degree of recreational load, in unauthorized water intake and waste water discharge, etc This makes it increasingly difficult to determine the nature of the ecological status of the reservoir. Most of them are of anthropogenic or natural-anthropogenic origin The study of the ecological state of urban reservoirs is especially relevant
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