Influence of erosion on the mechanical composition and physical properties of serozems on rainfed soils, Tashkent province, Uzbekistan

Juliev, Mukhiddin; Matyakubov, B; Khakberdiev, O; Abdurasulov, X; Gafurova, L.; Ergasheva, O.; Panjiev, U; Chorikulov, B

doi:10.1088/1755-1315/1068/1/012005

Cited by 3 publications

(3 citation statements)

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“…The results of our practical studies carried out in the Syrdarya basin (Fergana Valley, Hungry Steppe, South Kazakhstan, and Kyzylorda regions) showed that the sanding process is typical for vertical drainage wells and "on water", but not for all of them [6][7][8][9][10].…”

Section: Construction Of Water Wellsmentioning

confidence: 99%

“…These include such scientists as S. Averyanov, A. Mikhaltsevich, A. Eskov, A. Yangol, and N. Reshetkina. In Uzbekistan, a special place is occupied by scientists in the operation of vertical drainage wells, as well as the restoration of flow rates of vertical drainage wells M. Yakubov, A. Abirov, A Umarov, Z. Pushkarev, V. Nasonov, I. Akhmedov, Z. Mirkhasilova, A.Khojiyev, R.Muradov and others [1,2,3,4,11,12].…”

Section: Introductionmentioning

confidence: 99%

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Recommendations for reducing sanding process in water wells

et al. 2023

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The history of vertical drainage wells began in 1923 in the United States of America and since 1950 in Uzbekistan. Such scientific researchers as N. Reshetkina, Kh. Yakubov, A Umarov, Z. Pushkarev, N. Nasonov, I. Akhmedov, and other scientists worked on designing and constructing vertical drainage wells. The study aims to develop recommendations for improving the sustainable operation of vertical drainage wells based on their design and construction, considering natural and economic conditions. The relevance of the work lies in the fact that stable operation of wells without sanding will provide: an increase in the duration of good operation without repair, an improvement in water supply in the reclaimed area, drainage of the area suspended on the well, and an increase in economic efficiency. The place of research work is the Syrdarya and Fergana regions of the Republic of Uzbekistan, as well as the Kyzylorda region of the Republic of Kazakhstan. The design of vertical drainage wells differs significantly from water wells (for water supply) in that vertical drainage wells are drilled with a large diameter (800-1260mm) and equipped with gravel filters. They have a shallow depth (35-80m) and large diameters of the filter frame and casing pipe (300-426mm), which significantly affect their costs and determine the territory's drainage area, which is the main task of this type of well. Such wells are operated in the study areas. The article presents data that is the basis for developing recommendations for improving the sustainable operation of a vertical drainage well. Recommendations are given to eliminate the problems of vertical drainage wells.

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Section: Construction Of Water Wellsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Recommendations for reducing sanding process in water wells

et al. 2023

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“…The quality of groundwater in Karakalpakstan, in recent years, due to an increase in the concentration of mineralization and general hardness, also does not meet the requirements of the standard for sources of domestic and drinking water supply [17,18].…”

Section: Introductionmentioning

confidence: 99%

River water quality Amudarya in territory of Karakalpakstan

Sadikova,

Usmanov,

Rakhimov

et al. 2023

E3S Web of Conf.

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The object of the study is the Amudarya River, which is the only source of water supply and domestic water use of the population of the Republic of Karakalpakstan. The studies were carried out because the Republic of Karakalpakstan belongs to the regions of ecological disaster. Therefore, work to reduce anthropogenic pollution's adverse impact on the environment is necessary. The research methods included the sampling of water from the Amudarya River in the established sections of the reservoir according to the seasons of the year for five years, 2016-2020, and the conduct of water analysis following the standard O'zDSt 951:2011 “Sources of centralized domestic and drinking water supply. Hygienic, technical requirements, and selection rules. The indicators of taste, smell, and water color in the studied sections of the Amudarya River correspond to the established hygienic standards. The concentrations of ammonium, nitrates, nitrites, sulfates, chlorides, and total iron in water do not exceed their maximum allowable concentrations. However, the concentrations of turbidity, total hardness, and mineralization of water exceed the permissible values set on them. The maximum turbidity concentrations in water are 39.0 mg/l, total hardness 10.8 mg-eq/l, and salinity 1182.0 mg/l. Based on the work results, monitoring of water quality in the Amudarya River in Karakalpakstan has been improved. This research aimed to study the long-term quality and assessment of water in the Amudarya River in the territory of Karakalpakstan.

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