Abstract
The scientific work is devoted to studying hydroecological problems and methods for assessing the transformation of river water on the example of the Chirchik River, which flows through large industrial centers of the Republic of Uzbekistan and the territory of its capital, Tashkent. Investigations of quantitative and qualitative transformation of river water runoff were carried out using the interpolation method. The main task is to describe the method of interpolation of hydrometeorological data of the territories; For such system, the center in this work adopted a material point that characterizes the movement of the whole system; for this research, such as the hydrometeorological parameters of the territory. The data of the hydrometeorological service of the Republic of Uzbekistan were used when interpolating climatic parameters, which are the main determining factors in the formation and transformation of the river flow of Chirchik. In the proposed interpolation method, a combined system is created, consisting of a landscape-natural component, a system representing a moving mass with a single center. The meteorological parameters of the territory are taken as elements of the mass system, which have their centers of change-movement. The performed test calculations showed that the difference in meteorological parameters affects the position of their centers; each parameter: atmospheric pressure, precipitation, humidity, and temperature, etc., has its center.
Highlights
The rivers of Uzbekistan, especially the Chirchik River and its resources for many millennia, have been a source of water supply for the population
In the middle of the 20th and the beginning of the 21st century, the Chirchik river ecosystem is susceptible to serious man-made impacts: complete depletion of the river's resources, the transformation of its channel in the middle and lower reaches into a source of non-metallic materials, which determines the critical state of the use of its water resources of rivers for drinking water supply to the population and the ecological state of the territories adjacent to the river basin
To analyze and assess the state of the water of the Chirchik River in the conditions of the river transformation through the territories in which there are large industrial enterprises and settlements: the cities of Gazalkent, Chirchik, Tashkent, etc. there is a need for ecological relationships between the river ecosystem and rather large urbanized areas
Summary
The rivers of Uzbekistan, especially the Chirchik River and its resources for many millennia, have been a source of water supply for the population. It has great importance for the economy of Tashkent region. The main water supply facilities are Tashkent-Chirchik, Angren, Almalyk-Akhangaran and Bekabad industrial regions. Together with water use and water consumption of river water, large industrial enterprises and public water supply facilities are sources of pollution of river water and the river bed, which determines the relevance and necessity of researching the hydroecological problems of the Chirchik river basin
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