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Abbay
The Blue Nile (; ) is a river originating at Lake Tana in Ethiopia. It travels for approximately through Ethiopia and Sudan. Along with the White Nile, it is one of the two major Tributary, tributaries of the Nile and supplies about 85.6% of the water to the Nile during the Wet season, rainy season. Course The distance of the river from its River source, source to its confluence has been variously reported as being between and . This uncertainty might result from the fact that the river flows through a series of virtually impenetrable gorges cut in the Ethiopian Highlands to a depth of some . According to materials published by the Central Statistical Agency, the Blue Nile has a total length of , of which are inside Ethiopia. In Ethiopia The Blue Nile originates at Lake Tana in Ethiopia (where it is called the Abay River). The river flows generally south before entering a canyon about long, about from Lake Tana, which is a tremendous obstacle for travel and communicat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gilgel Abay
Gilgel Abay (ግልገል አባይ, Gǝlgäl Abbay), or Lesser Abay, is a river of central Ethiopia. Rising in the mountains of Gojjam, it flows northward to empty into south-western Lake Tana at . Tributaries of the Gilgel Abbay include the Ashar, Jamma, Kelti and the Koger. It was regarded as the true source of the Nile for a long time and the Jesuit priest Pedro Paez visited it in 1618. The name Gilgel Abbay means Lesser Nile, as Abbay is the name for the Blue Nile. Characteristics It is a meandering river, with a catchment area of 3887 km³. Near its mouth it is 71 meter wide, with a slope gradient of 0.7 metre per kilometre. The average diameter of the bed material load, bed material is 0.37 mm (sand). Sediment transport The river transports carries annually 22,185 tonnes of bedload and 7.6 million tonnes of suspended sediment to Lake Tana. See also * List of Ethiopian rivers References Further reading * S. Uhlenbrook, Y. Mohamed, and A. S. Gragne, "Analyzin ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
