ASSESSMENT OF HYDROPHYSICAL AND HYDROCHEMICAL FEATURES OF WATER BODIES: A CASE STUDY OF LAKE IMANTAU, KAZAKHSTAN

Q2 Engineering Water Conservation and Management Pub Date : 2020-12-31 DOI:10.26480/wcm.02.2021.95.100

Zhumay Yerlan, Khussainov Abilzhan, Kurmanbayeva Aigul, Skipin Leonid, Onerkhan Gulzhaina

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Abstract

The lakes of “Kokshetau” State National Natural Park (SNNP) are scanty and have a mosaic, fragmented character due to the present ecological state. In current work, the chemistry and degree of pollution in this lake is studied. The present research aimed to analyse the hydrophysical and hydrochemical parameters of lake Imantau of “Kokshetau” SNNP. This assessment includes dynamics of the hydrochemical water composition and benthal deposits, heavy metals content, and morphometric indicators of the lake using Earth’s remote sensing technique. This technique is based on Earth’s retrospective multichannel satellite images Landsat. Ionic water composition, total mineralization, hydrogen index, gas regime, and nutrient content (nitrates, nitrites) are determined. To assess the geochemical state of benthal deposits, the parameters like concentration coefficient (Cc), maximum allowable concentration (MAC) of pollutants in the soil, and total pollution index (Zc) are calculated. The results of this work is measured in terms of changes takes place in lake depth, water mass volume, water hardness, chemical concentrations.

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水体水物理和水化学特征评价:以哈萨克斯坦伊曼托湖为例

由于目前的生态状态，“Kokshetau”国家自然公园(SNNP)的湖泊稀少，具有马赛克，碎片化的特征。在目前的工作中，对该湖泊的化学成分和污染程度进行了研究。本研究旨在分析“Kokshetau”SNNP的伊曼托湖的水物理和水化学参数。这项评估包括利用地球遥感技术对水化学组成和底栖沉积物的动态、重金属含量和湖泊的形态计量指标进行评估。这项技术是基于地球上的多通道卫星图像。测定了离子水组成、总矿化、氢指数、气体状态和营养成分(硝酸盐、亚硝酸盐)。为了评价底栖沉积物的地球化学状态，计算了土壤污染物浓度系数(Cc)、最大允许浓度(MAC)和总污染指数(Zc)等参数。这项工作的结果是根据湖泊深度、水质量体积、水硬度、化学物质浓度的变化来衡量的。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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