The Level of Anthropogenic Pollution of the Kapshagay Water Reservoir, Republic of Kazakhstan

Amirgaliev, N. A.; Ismukhanova, Laura

doi:10.1007/698_2020_603

Cited by 7 publications

(9 citation statements)

References 3 publications

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“…During the period from 2001 to 2014, the total inflow of heavy metals amounted to 1220 tons of copper and 1710 tons of zinc (Figure 7). Moreover, in the period 2001-2014, the actual inflow in some years exceeded the allowable values for copper by more than 7 times, and for zinc, by up to 10 times [54,71,73]. According to the results of the analysis of the Kazakhstan State Enterprise "Kazhydromet" materials, for the border cross-section of Dobyn for 2013, an increased level of inflow was recorded during the spring flood-Cu (9.11 t); Zn (5.93 t); Pb (1.94 t); Cd (0.07 t)-which remained in the summer season Cu (7.61 t); Zn (4.81 t); Pb (1.12 t); Cd (0.09 t) (Figure 8).…”

Section: Sources Of Anthropogenic Pollutionmentioning

confidence: 97%

“…within the territory of Kazakhstan. They flow through the city Almaty, the small towns Yesik, Talgar, and Kaskelen and the large rural settlements Turgen, Zhetigen, Baiserke, and Shengeldy, and also carry toxicants in washout from irrigation areas, agricultural land and from atmospheric transport [52][53][54][55][56][57][58].…”

Section: Research Objectmentioning

confidence: 99%

“…In the data on the transboundary inflow of pollutants along the Ili River, significant amounts of heavy metals are brought from the territory of China [54,71,72]. During the period from 2001 to 2014, the total inflow of heavy metals amounted to 1220 tons of copper and 1710 tons of zinc (Figure 7).…”

Section: Sources Of Anthropogenic Pollutionmentioning

confidence: 99%

Section: Sources Of Anthropogenic Pollutionmentioning

confidence: 99%

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Accumulation of Heavy Metals in Bottom Sediment and Their Migration in the Water Ecosystem of Kapshagay Reservoir in Kazakhstan

et al. 2022

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The bottom sediment of reservoirs has many functions. Among them, matter sorption is a very important one, and results in many side-effects on the reservoir sediment forming the water–bottom sediment system. As a result, bottom sediment can also be an indicator of anthropogenic water pollution. There is only very little knowledge of this situation in the study area. The main objective was the analysis of heavy metal accumulation in bottom sediment, as well as their ability to migrate throughout the water–bottom sediment system and their spatial distribution in the Kapshagay Reservoir in Kazakhstan. Heavy metal concentrations, in the both water samples and the bottom sediment, were determined using the atomic absorption spectrophotometric method. Surfer software was used to visualize the processes of migration and accumulation. Another objective was the development of model maps of the spatial distribution of metals in the reservoir water area, which indicated significant anthropogenic loads. It is obvious that both the transboundary inflow of the Ili River and the inflow from small rivers in the territory of Kazakhstan are the reasons for the anthropogenic water and sediment load. The results of the spectrometric analysis verify the water pollution in the reservoir, revealing increased concentrations of zinc reaching up to 10.8 µg/L and lead up to 32.7 µg/L, transported by the transboundary runoff of the Ili River and by the small rivers on the left bank into the Kapshagay Reservoir. Sediment concentrations close to the central part and dam zone of the reservoir reached the following values: zinc up to 37.0 mg/kg and lead up to 8.8 mg/kg. The results of this study indicate a significant anthropogenic load of the ecological conditions of the Kapshagay Reservoir. This is discussed and compared with other relevant studies.

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Section: Sources Of Anthropogenic Pollutionmentioning

confidence: 97%

Section: Research Objectmentioning

confidence: 99%

Section: Sources Of Anthropogenic Pollutionmentioning

confidence: 99%

Section: Sources Of Anthropogenic Pollutionmentioning

confidence: 99%

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Accumulation of Heavy Metals in Bottom Sediment and Their Migration in the Water Ecosystem of Kapshagay Reservoir in Kazakhstan

et al. 2022

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“…At the final stage, they may reach living organisms and poison them. Moreover, they are transported by water flows to accumulation zones, having direct or indirect harmful effects on organisms [5,6]. Heavy metals belong to the most dangerous chemical substances because they tend to accumulate in soils and sediments, and they cannot be mined or removed.…”

Section: Introductionmentioning

confidence: 99%

Spatial Distribution of Cu, Zn, Pb, Cd, Co, Ni in the Soils of Ili River Delta and State Natural Reserve “Ili-Balkhash”

et al. 2023

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River delta soils are the final spatial units of the matter flow within the whole river catchment. Due to their spatial position in the catchment and due to their fine grain size composition, river delta soils are important matter sinks in general, especially for heavy metals. The article presents the results of spectrometric analysis of heavy metals in the soils of the Ili River Delta and State Natural Reserve “Ili-Balkhash” in 2021. This area is included in the list of wetlands of international importance under the Convention on Wetlands. Heavy metals in the samples were determined using the flame atomic absorption spectrometric method using the AA-7000 atomic absorption spectrophotometer. The spatial distribution of the metals was visualized in the ArcGIS 10.5 environment. Copper concentrations were measured in the soils of the dry steppe, semi-desert and desert zones with average values up to 28.5 mg kg−1 and a maximum level of 75.1 mg kg−1. The concentrations of lead are 8.0–15.9 mg kg−1. The cadmium content exceeds the standards from 2.1 to 6.5 mg kg−1 on the whole territory at MPC 2.0 mg kg−1, reaching up to 3.3 MPC (Maximum Permissible Concentration). The cobalt concentration ranges from 6.7 to 20.6 mg kg−1, and nickel ranges from 11.3 to 22.2 mg kg−1. Soil contamination due to cobalt and nickel is observed in the northern and eastern parts of the study area. The received data about pollution of the soil cover by heavy metals makes it possible to assess the degree of anthropogenic load of the unique natural environment in the Ili River Delta and natural reserve.

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Flowing Sampler System for Surface Water Bodies

Kulakova

Сафаров

2022

Èkol. prom. Ross.

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A flowing sampling system using a complex branched pipeline is presented. The system function is ensured by the water supply from the averaging collector to the signaling pigs. The flowing sampling system instalation involves some transport infrastructure, namely bridges. Issues related to the peculiarities of the movement of fluid through the bridge supports, which affect the uneven distribution of pollutants in the monitored area, were investigated.

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The Level of Anthropogenic Pollution of the Kapshagay Water Reservoir, Republic of Kazakhstan

Cited by 7 publications

References 3 publications

Accumulation of Heavy Metals in Bottom Sediment and Their Migration in the Water Ecosystem of Kapshagay Reservoir in Kazakhstan

Accumulation of Heavy Metals in Bottom Sediment and Their Migration in the Water Ecosystem of Kapshagay Reservoir in Kazakhstan

Spatial Distribution of Cu, Zn, Pb, Cd, Co, Ni in the Soils of Ili River Delta and State Natural Reserve “Ili-Balkhash”

Flowing Sampler System for Surface Water Bodies

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