Study of temporal changes in the hydrographic network of small mountain rivers in the Ile Alatau, Kazakhstan

IF 2.6 4区环境科学与生态学 Q2 WATER RESOURCES Hydrology Research Pub Date : 2023-10-30 DOI:10.2166/nh.2023.305

Kasym Duskayev, Ainur Mussina, Javier Rodrigo-Ilarri, Zhanara Zhanabayeva, Marzhan Tursyngali, María-Elena Rodrigo-Clavero

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Abstract

Abstract The article presents the outcomes of an assessment of hydrographic network changes within the Almaty city, utilizing geographic information system (GIS) technology and Earth remote sensing data. Two gauge stations were selected along the main rivers within the Almaty city. To identify distinctive alterations in these rivers, hydrological data series encompassing the maximum runoff from 1970 to 2021 were collected and subjected to statistical analysis. Differential integral curves were constructed to pinpoint periods corresponding to peak and trough runoff levels. For each of these identified periods, the processing of satellite imagery allowed for the computation of meandering coefficients for the river channels. Additionally, refinements were made to the slope values of the rivers during these same timeframes, and connectivity graphs were established to elucidate the relationship between slope and liquid runoff for each period. The analysis encompassed an assessment of the impact of anthropogenic factors on both artificial and natural bodies of water while also considering shifts in the boundaries of the Almaty city. The findings derived from this study have practical applications in the planning and design of water supply systems and in the implementation of measures aimed at mitigating the adverse effects of anthropogenic factors on water bodies.

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哈萨克斯坦阿拉托岛山地小河流水文网的时间变化研究

本文介绍了利用地理信息系统(GIS)技术和地球遥感数据对阿拉木图市水文网络变化进行评估的结果。在阿拉木图市内的主要河流沿线选择了两个测量站。为了确定这些河流的独特变化，收集了包括1970年至2021年最大径流在内的水文数据系列，并进行了统计分析。构建了微分积分曲线，以确定与峰值和低谷径流水平相对应的时期。对于每一个确定的时期，卫星图像的处理允许计算河道的蜿蜒系数。此外，对这些时间段内河流的坡度值进行了细化，并建立了连通性图，以阐明每个时间段的坡度与液体径流之间的关系。分析包括评估人为因素对人工和自然水体的影响，同时也考虑到阿拉木图城市边界的变化。这项研究的结果在供水系统的规划和设计以及旨在减轻人为因素对水体的不利影响的措施的执行方面具有实际应用价值。

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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来源期刊

Hydrology Research WATER RESOURCES-

CiteScore

5.00

自引率

7.40%

发文量

审稿时长

3.8 months

期刊介绍： Hydrology Research provides international coverage on all aspects of hydrology in its widest sense, and welcomes the submission of papers from across the subject. While emphasis is placed on studies of the hydrological cycle, the Journal also covers the physics and chemistry of water. Hydrology Research is intended to be a link between basic hydrological research and the practical application of scientific results within the broad field of water management.