Correlation between the Dnipro Water Quality Parameters and the Peculiarities of Their Long-Term Changes

IF 0.5 4区 化学 Q4 CHEMISTRY, ANALYTICAL Journal of Water Chemistry and Technology Pub Date : 2023-11-16 DOI:10.3103/S1063455X2306005X
O. Yu. Kulishenko, N. A. Klymenko, L. A. Savchyna, V. A. Kostyuk, L. P. Avramenko
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Abstract

Seasonal and long-term changes in the quality parameters of water delivered to the Dnipro Water Supply Station (DWSS) in Kyiv after the Kyiv Reservoir were considered. The range of measured parameters covered the following periods: 1950–1962 until the creation of the Kyiv Reservoir, 1996–2006, and 2012–2022 after its creation. Water quality monitoring was performed by both the standard integral parameters (chromaticity, permanganate and bichromate oxidability, biological oxygen demand, and total organic carbon) and the ratios between them. The statistical analysis and graphic interpretation of data were carried out by Microsoft Excel tools. The correlations between the factors were estimated with the use of Pearson correlation coefficients r. Based on the determined correlations, the quality of water in the water reservoir and at the inlet to the DWSS water treatment facilities in Kiev was balanced between allochthonous and autochthonous sources of organic substances. The changes in water quality characteristics were noticed to be cyclic and correlate in a certain way with solar activity. The consideration for solar activity cycles provides a basis for predicting the Dnipro water quality and should facilitate the technological and logistic support of operation for the water treatment station in coming years.

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第聂伯罗水质参数的相关性及其长期变化特点
考虑了基辅水库后,输往基辅第聂伯罗供水站(DWSS)的水的质量参数的季节性和长期变化。测量参数的范围涵盖以下时期:1950-1962年至基辅水库创建,1996-2006年和2012-2022年创建后。采用标准积分参数(色度、高锰酸盐和重铬酸盐氧化性、生物需氧量和总有机碳)及其比值进行水质监测。采用Microsoft Excel工具对数据进行统计分析和图形化解释。利用Pearson相关系数r估计各因素之间的相关性。根据确定的相关性,基辅水库和DWSS水处理设施入口的水质在外来和本地有机物质来源之间达到平衡。水质特征的变化具有周期性,并与太阳活动有一定的相关性。考虑太阳活动周期为预测第聂伯罗水质提供了基础,并为未来几年水处理站的运行提供了技术和后勤支持。
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来源期刊
Journal of Water Chemistry and Technology
Journal of Water Chemistry and Technology CHEMISTRY, APPLIED-CHEMISTRY, ANALYTICAL
自引率
0.00%
发文量
51
审稿时长
>12 weeks
期刊介绍: Journal of Water Chemistry and Technology focuses on water and wastewater treatment, water pollution monitoring, water purification, and similar topics. The journal publishes original scientific theoretical and experimental articles in the following sections: new developments in the science of water; theoretical principles of water treatment and technology; physical chemistry of water treatment processes; analytical water chemistry; analysis of natural and waste waters; water treatment technology and demineralization of water; biological methods of water treatment; and also solicited critical reviews summarizing the latest findings. The journal welcomes manuscripts from all countries in the English or Ukrainian language. All manuscripts are peer-reviewed.
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