Arato

Arato
Arato
	Arato
Coordinates	13°30′44″N39°38′41″E / 13.51230068°N 39.64480822°E
Type	Freshwater artificial lake
Basin countries	Ethiopia
Surface area	0.4 km2 (0.15 sq mi)
Water volume	2.59×106 m3 (2,100 acre⋅ft)
Surface elevation	2,400 m (7,900 ft)
Settlements	Araguren

Last updated June 12, 2025

Arato 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 SAERT.^[1]

Dam characteristics

Dam height: 20 metres
Dam crest length: 443 metres
Spillway width: 20 metres

Capacity

Original capacity: 2,590,000 m³
Dead storage: 647,698 m³
Reservoir area: 40 ha

Irrigation

Designed irrigated area: 120 ha
Actual irrigated area in 2002: 27 ha

Environment

The catchment of the reservoir is 12 square kilometres (4.6 sq mi) large, with a perimeter of 16 km (9.9 mi) and a length of 4,950 m (16,240 ft). The reservoir suffers from rapid siltation.^[2] The lithology of the catchment is Antalo Limestone and Mekelle Dolerite.^[1] Part of the water that could be used for irrigation is lost through seepage;^[3] the positive side-effect is that this contributes to groundwater recharge.^[4]

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.
↑ An integrated approach for detection and delineation of leakage path from Micro-Dam Reservoir (MDR): a case study from Arato MDR, Northern Ethiopia https://rd.springer.com/article/10.1007/s10064-015-0750-9
↑ 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] An integrated approach for detection and delineation of leakage path from Micro-Dam Reservoir (MDR): a case study from Arato MDR, Northern Ethiopia https://rd.springer.com/article/10.1007/s10064-015-0750-9

[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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