Conditions of Irrigated Lands in Uzbekistan – Amu-Darya River Case Study

Eshniyazov, Rustam N.; Qurbanbaev, R.E.; Mosiej, Józef

doi:10.15576/asp.fc/2021.20.3/4.47

Cited by 1 publication

(1 citation statement)

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“…It is equally important to ensure the appropriate amount of water for food production, i.e., the drainage of excess and irrigation of arable fields in water deficit periods. The implementation of these assumptions basically covers two directions of activity: meliorations and an increase in retention [35,36].…”

Section: Discussionmentioning

confidence: 99%

Effect of Hydraulic Structure on Mitigating Extreme Hydrological Conditions of a Small River in the Temperate Zone (Główna River, Central Europe)

Ptak,

Szyga-Pluta,

Zhu

et al. 2023

Sustainability

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Water resources are of elementary economic and environmental importance, and the observed global transformations as well as regional environmental conditions necessitate activities aimed at providing an optimal amount of water at different levels. One such solution is hydrotechnical infrastructure that permits the precise control of the amount of water in the catchment. This paper presents results concerning changes in the water flow in the Główna River in Poland before (1955–1983) and after (1984–2021) the construction of the Kowalski Reservoir. In the former period, there were no changes in water flow, and the obtained results were not statistically significant (p 0.05). In the period after the construction of the reservoir, a decreasing trend in monthly flow was observed in December, April, July, September, and October. Moreover, a decrease in 1, 3, 7, and 90 day maximum flow was observed. For maximum 30 day flow, the changes were below the threshold of the adopted significance level. Moreover, minimum flow in the period after the construction of the reservoir showed no significant decreasing trend. In hydrological terms, the reservoir served its purpose by contributing to the stabilisation of the water flow. This information is important from the point of view of an increase in retention and corresponds with a broader programme conducted in the territory of Poland. In the context of the construction of further reservoirs, it is important to investigate the current range of changes in water circulation for objects of the type already functioning in the environment, constituting an actual point of reference.

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Section: Discussionmentioning

confidence: 99%