Hydrological bases of water resources management of the rivers of Northern Kazakhstan

Makhmudova, Lyazzat; Kozykeyeva, A.T.; Kambarbekov, Galymzhan; Karimova, Gulnur; Zhulkainarova, Madina

doi:10.1016/j.jconhyd.2023.104182

Cited by 2 publications

(2 citation statements)

References 7 publications

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“…Through the flow of the Esil river, it passes through over 600 rural communities and 8 municipalities; thus, it serves as the water source for more than 2.68 million population. ,, However, the long-term analysis of water quality in the basin was not studied deeply in the last decade; moreover, despite the presence of HMs in the Esil river basin, their potential sources and related human health effects have not been investigated to date. − ,, Given the importance of water quality management in the sustainable development goals of Central Asia, the main objectives of the study are (1) to present a holistic overview of the HMs’ (including Cd, Pb, Cr(VI), and As) concentrations and spatiotemporal variations during the years 2014–2019, (2) to evaluate the overall water quality in the Esil river basin, (3) to identify the possible sources of HMs in the water basin, and (4) to evaluate the impacts of HMs on human health in the surrounding area by considering recreational and household use of the Esil river basin water.…”

Section: Introductionmentioning

confidence: 99%

Trace Heavy Metal Contamination of Urban Water Bodies in Central Asia: Its Distribution, Source Detection, and Probabilistic Health Risk Assessment for Recreational and Household Use of Water

Bahetnur

Lee

2023

ACS EST Water

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Water scarcity, security, and deterioration of water quality have been serious environmental issues in Central Asia. This study has investigated the contamination of the Esil river, the only transboundary river originating in Kazakhstan, and implemented the human health risk assessment of heavy metals (HMs; Cd, Pb, Cr(VI), and As) in its relevant 15 surface water bodies. HM concentrations in 2893 water samples were measured over 6 years (2014–2019). The river’s water quality was classified between “marginal” and “good,” but nine sites revealed worsened quality during the period. The monitored HMs’ median concentrations followed a decreasing order of Cr(VI) (0.0015 mg/L) = As (0.0015 mg/L) > Pb (0.0009 mg/L) > Cd (0.00005 mg/L). Human-induced behaviors, especially industrial activities, were observed to influence the water quality negatively. Due to the growth of cities, municipal wastes and the release of pollutants during construction activities were potential origins of HMs, too. Two exposure scenarios for the human health risk assessment were investigated: the risks from a recreational activity scenario were acceptable, but concerning values were obtained from a household use scenario, including seven sites with hazard index (HI) > 1 and a maximum cancer risk of 7.22 × 10–4.

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Section: Introductionmentioning

confidence: 99%

Trace Heavy Metal Contamination of Urban Water Bodies in Central Asia: Its Distribution, Source Detection, and Probabilistic Health Risk Assessment for Recreational and Household Use of Water

Bahetnur

Lee

2023

ACS EST Water

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“…1., as well as the key natural factor contributing to favorable living conditions in the study area. The long-term impact of the totality of anthropogenic and technogenic factors on the target basin have already manifested themselves in the changing water regime and deteriorating quality of local surface and ground water (Makhmudova, 2023). The study aimed to identify the impacts of anthropogenic factors on the Yesil River Basin described in several research articles (Moldakhmetov et al, 2007;Galperin, 2001;Moldakhmetov & Makhmudova, 2008) the majority of which focus on their influence on the river's runoff formation and intra-annual distribution, but this time considering the regulatory capacity of reservoirs and ponds.…”

Section: Introductionmentioning

confidence: 99%

Anthropogenic Impacts in the Yesil River Basin

Makhmudova,

Mussina,

Ospanova

et al. 2023

CAJWR

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The research aimed to assess the impact of human economic activities on the Yesil River Basin based on the observational data contained in Kazhydromet’s (Republic State Enterprise, RSE) hydrometeorological periodicals of 1933-2019. The additional analysis of numerous sources – statistics digests, online data of the Bureau of National Statistics under the Agency for Strategic Planning and Reforms of the Republic of Kazakhstan (RK), monographs and scientific papers also allowed to reliably evaluate the overall water consumption in the country. The analysis of the available materials permitted identifying the indicators of irretrievable water consumption (IWC) by sectors of the national economy, including utilities, industry, and agriculture (irrigation). As the result, in terms of water use the IWC in the target watershed turned out to range between 3-29% of the total irretrievable water consumption (TIWC), with the corresponding highest value registered in 2007. It was also established that large reservoirs – Astaninskoye (Vyacheslavskoye) and Sergeyevskoye – have been exerting a regulating pressure on the long-term flow of the rivers comprising the basin. The review of the data obtained likewise indicates that, compared to the conditionally natural phase, their runoff reduction during the disturbed phase is caused not only by reservoir related but also agrotechnical and climate change impacts. The study findings can serve water management purposes, aid the design of hydraulic facilities, as well as expand regional theoretical and applied hydrological research.

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Hydrological bases of water resources management of the rivers of Northern Kazakhstan

Cited by 2 publications

References 7 publications

Trace Heavy Metal Contamination of Urban Water Bodies in Central Asia: Its Distribution, Source Detection, and Probabilistic Health Risk Assessment for Recreational and Household Use of Water

Trace Heavy Metal Contamination of Urban Water Bodies in Central Asia: Its Distribution, Source Detection, and Probabilistic Health Risk Assessment for Recreational and Household Use of Water

Anthropogenic Impacts in the Yesil River Basin

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