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Wyszukujesz frazę "Kadhim, Mustafa Mohammed" wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Study of dam sediment distribution using experimental area-reduction method Case study: Karun Dam
Autorzy:
Yusuf, Rakhmat
Komariah, Aan
Kurniady, Dedy Achmad
Mardiani, Mardiani
Jumintono, Jumintono
Falih, Khaldoon T.
Kabanov, Oleg V.
Aravindhan, Surendar
Kadhim, Mustafa Mohammed
Powiązania:
https://bibliotekanauki.pl/articles/2174333.pdf
Data publikacji:
2022
Wydawca:
Instytut Technologiczno-Przyrodniczy
Tematy:
area-reduction method
dam reservoir
distribution of sediment
elevation-area curve
elevation-volume curve
Opis:
Dam construction is one of the measures that is inevitable in many cases and must be done to supply drinking water, agricultural uses and electricity generation. There are many challenges to a successful dam project, and the managers of each project must consider the appropriate solutions for them. One of the studies that is done in dam design is sedimentation in dam reservoirs. The experimental area-reduction method is a very common technique that obtains the sediment distribution in depth and longitudinal profile. This technique shows that sediment accumulation is not limited to the bottom reservoirs. Sediment accumulation in a reservoir is usually distributed below the top of the protection reservoir or normal water level. In this study, the distribution of sediment in the reservoir of Karun Dam after a period of 65 years has been done using the experimental area-reduction method. Elevation-volume and elevation-area curves of the dam reservoir are obtained after the useful life of the dam and sediment deposition. The results showed that after 65 years, 106.47·106 m3 of sediment is deposited in the reservoir of the dam and the useful volume of the reservoir is significantly reduced. Also, up to a height of 36.4 m, the dam reservoir is filled with sediment. Therefore, no valve should be placed up to this height.
Źródło:
Journal of Water and Land Development; 2022, 54; 116--120
1429-7426
2083-4535
Pojawia się w:
Journal of Water and Land Development
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Determination of Difference Amount in Reference Evapotranspiration between Urban and Suburban Quarters in Karbala City
Autorzy:
Algretawee, Hayder
Al-Saadi, Riyadh Jasim Mohammed
Al Juboury, Maad F.
Hasan, Musaab Falih
Nile, Basim K.
Kadhim, Mustafa Amoori
Powiązania:
https://bibliotekanauki.pl/articles/2173251.pdf
Data publikacji:
2022
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
reference evapotranspiration
Penman-Monteith equation
urban area
suburban area
Opis:
Evapotranspiration represents one of the main parameters in the hydrological cycle. It is usually expressed by the term reference evapotranspiration (ETo) that is affected by certain meteorological parameters. This study aimed to find the difference amount in ETo between urban and suburban quarters in Karbala city. The study methodology involved selecting once urban area and four suburban quarters. Two methods of determining the reference evapo- transpiration were applied: first, a direct method which measured ETo at selected fields by using a hand-held device, and second, an indirect method using the Penman-Monteith equation. The findings showed that the magnitudes of ETo by the Penman-Monteith equation are higher than the values measured by the direct method for urban and suburban quarters. Moreover, it was found that the absolute percentage of difference in the average amount of ETo between urban and suburban quarters is 13% by using the direct method and 61% by using Penman-Monteith equation. The study conclusion is that suburban area has higher magnitude of ETo than urban quarter by using any of direct method and indirect method (Penman-Monteith equation).
Źródło:
Journal of Ecological Engineering; 2022, 23, 7; 180--191
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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