Filiglig

Filiglig
Filiglig
	Filiglig
Coordinates	13°14′47″N39°25′11″E / 13.24641279°N 39.4196826°E
Type	Freshwater artificial lake
Basin countries	Ethiopia
Surface area	0.065 km2 (0.025 sq mi)
Water volume	0.296×106 m3 (240 acre⋅ft)
Surface elevation	2,070 m (6,790 ft)
Settlements	Hintalo

Last updated November 28, 2023

Filiglig is a reservoir located in the Hintalo Wajirat woreda of the Tigray Region in Ethiopia. The earthen dam that holds the reservoir was built in 1998 by SAERT.^[1]

Dam characteristics

Dam height: 14 metres
Dam crest length: 325 metres
Spillway width: 15 metres

Capacity

Original capacity: 296000 m³
Dead storage: 20832 m³
Reservoir area: 6.5 ha

In 2002, the life expectancy of the reservoir (the duration before it is filled with sediment) was estimated at 30 years.^[1]

Irrigation

Designed irrigated area: 20 ha
Actual irrigated area in 2002: 3 ha

Environment

The catchment of the reservoir is 7.44 km² large, with a perimeter of 14.23 km and a length of 5840 metres. The reservoir suffers from rapid siltation.^[2]^[3] The lithology of the catchment is Mekelle Dolerite and Agula Shale.^[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 3 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 3 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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