Era Quhila

Era Quhila
Era Quhila
	Era Quhila
Coordinates	13°26′48″N39°35′52″E / 13.44657408°N 39.59770361°E
Type	Freshwater artificial lake
Basin countries	Ethiopia
Water volume	1.185×106 m3 (961 acre⋅ft)
Surface elevation	2,320 m (7,610 ft)
Settlements	Kwiha

Last updated May 27, 2024

Era Quhila is a reservoir located in the Inderta woreda of the Tigray Region in Ethiopia. The earthen dam that holds the reservoir was built in 1997 by the Tigray Bureau of Agriculture and Natural Resources.^[1]

Dam characteristics

Dam crest length: 180 metres (590 ft)
Spillway width: 15 metres (49 ft)
Original capacity: 1,185,000 m³ (41,800,000 cu ft)

Irrigation

Designed irrigated area: 87 hectares (210 acres; 870,000 m²)
Actual irrigated area in 2002: 25 hectares (62 acres; 250,000 m²)

Environment

The catchment of the reservoir is 12.86 km² (4.97 sq mi) large, with a perimeter of 14 kilometres (8.7 mi) and a length of 4,550 metres (14,930 ft). The reservoir suffers from rapid siltation.^[2]^[3] The lithology of the catchment is Agula shale and a bit of 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]

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References

1 2 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 . S2CID 129834993.
↑ 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. S2CID 199112876.
↑ Nigussie Haregeweyn, and colleagues (2008). "Sediment yield variability in Northern Ethiopia: A quantitative analysis of its controlling factors". Catena. 75 (1): 65–76. Bibcode:2008Caten..75...65H. doi:10.1016/j.catena.2008.04.011.

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[joke-1] 1 2 De Wit, Joke (2003). Stuwmeren in Tigray (Noord-Ethiopië): kenmerken, sedimentatie en sediment-bronnen. Unpub. M.Sc. thesis. Department of Geography, K.U.Leuven.

[2] 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 . S2CID 129834993.

[3] 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. S2CID 199112876.

[4] Nigussie Haregeweyn, and colleagues (2008). "Sediment yield variability in Northern Ethiopia: A quantitative analysis of its controlling factors". Catena. 75 (1): 65–76. Bibcode:2008Caten..75...65H. doi:10.1016/j.catena.2008.04.011.

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