Addi Abagiè

Addi Abagiè
Addi Abagiè
	Addi Abagiè
Coordinates	13.93280779°N 39.59291565°E
Type	Freshwater artificial lake
Basin countries	Ethiopia
Surface elevation	2,410 m (7,910 ft)
Settlements	Sinkata

Addi Abagiè is a reservoir located in the Sa’isi Tsa’ida Imba woreda of the Tigray Region in Ethiopia. The earthen dam that holds the reservoir was built in 1993.[1]

Breach in Addi Abagiè dam in 2001

Dam characteristics

Dam crest length: 176 metres. Exceptionally, among the many dams in Tigray, this dam was breached around the year 2000, due to high positioning of the spillway and hence overtopping of the dam. Around 2010 the breach was closed and the dam height increased. The dam is now operational.

Environment

The catchment of the reservoir is 8.77 km² large, with a perimeter of 13 km and a length of 4700 metres. The reservoir suffers from rapid siltation.[2] The lithology of the catchment is Enticho Sandstone and Precambrian metamorphic rocks.[1]

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. S2CID 129834993.

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[joke-1] 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.