geo.wikisort.org - ReservoirGereb Bi’ati is a reservoir located near Mekelle in the Tigray Region in Ethiopia. The earthen dam that holds the reservoir was built in 2000 by SAERT.[1]
Body of water
Dam characteristics
- Dam height: 17 metres
- Dam crest length: 578 metres
- Spillway width: 40 metres
Capacity
- Original capacity: 1005841 m³
- Dead storage: 232728 m³
- Reservoir area: 17 ha
- Designed irrigated area: 88 ha
Environment
The catchment of the reservoir is 9.71 km² large, with a perimeter of 14.24 km and a length of 4960 metres. Due to the possibility to by-pass sediment-laden water, the reservoir suffers from less rapid siltation.[2][3] The lithology of the catchment is Agula Shale and Mekelle Dolerite.[1] Part of the water that could be used for irrigation is lost through seepage; the positive side-effect is that this contributes to groundwater recharge.[4]
References
- De Wit, Joke (2003). Stuwmeren in Tigray (Noord-Ethiopië): kenmerken, sedimentatie en sediment-bronnen. Unpub. M.Sc. thesis. Department of Geography, K.U.Leuven.
- Nigussie Haregeweyn, and colleagues (2006). "Reservoirs in Tigray: characteristics and sediment deposition problems". Land Degradation and Development. 17: 211–230. doi:10.1002/ldr.698.
- Vanmaercke, M. and colleagues (2019). "Sediment Yield and Reservoir Siltation in Tigray". Geo-trekking in Ethiopia's Tropical Mountains. GeoGuide. Cham (CH): Springer Nature. pp. 345–357. doi:10.1007/978-3-030-04955-3_23. ISBN 978-3-030-04954-6.
- Nigussie Haregeweyn, and colleagues (2008). "Sediment yield variability in Northern Ethiopia: A quantitative analysis of its controlling factors". Catena. 75: 65–76. doi:10.1016/j.catena.2008.04.011.
На других языках
- [en] Gereb Bi'ati
[fr] Gereb Bi'ati
Gereb Bi’ati est un réservoir qui se trouve dans le woreda d’Inderta au Tigré en Éthiopie. Le barrage a été construit en 2000 par SAERT[1].
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