How was the Blue Nile falls formed?
The Lake has been formed by volcanic activity, blocking the course of inflowing rivers in the early Pleistocene times ca 5 million years ago. The lava also separated the Lake and its headwaters from the lower Blue Nile basin by 40 m high falls at Tissisat, 30 km downstream from the Blue Nile outflow.
Why is the Blue Nile falls important?
The Blue Nile Falls isolate the ecology of Lake Tana from the ecology of the rest of the Nile, and this isolation has played a role in the evolution of the endemic fauna of the lake.
Who discovered the Blue Nile falls?
James Bruce
James Bruce, in his search for the source of the Nile, came upon the falls in 1770 and described it thusly: “The river fell in one sheet of water, without any interval, above half an English mile in breadth, with a force and a noise that was truly terrible, and which stunned and made me, for a time, perfectly dizzy …
How long is Blue Nile Falls?
about 907 miles
The river flows into and out of the lake, runs through a series of rapids, and then drops into a gorge. It flows through a deep canyon southeast and west around the Choke Mountains and then turns northwest through Sudan to join the White Nile at Khartoum. Its length is about 907 miles (1,460 km).
What created the Nile river?
A new study finds evidence that supports the latter theory: The Nile River may have emerged around 30 million years ago, driven by the motion of Earth’s mantle — the thick layer of rock between the Earth’s core and crust, a group of researchers reported on Nov. 11 in the journal Nature Geoscience.
Why is Blue Nile called so?
The Blue Nile is so-called because during flood times the water current is so high that it changes color to almost black; in the local Sudanese language the word for black is also used for blue.
Why is it called White Nile?
The White Nile is called so because of the light-coloured clay sediment in the water giving the river a light grey colour. The Blue Nile flows for about 1,400 km to Khartoum from Lake Tana which is 1,800 metres above sea level in the Ethiopian mountains.
Why is it called White Nile and Blue Nile?
How was the Nile made?
Does the Nile flow backwards?
Rivers always flow downhill. It’s a common misconception that something about the earth forces most rivers to flow south. Plenty of rivers flow north, including the Nile, which gathers from high-elevation lakes in the African Rift Valley.
Where are Neel Nadi?
The Nile River’s basin spans across the countries of Egypt, Sudan, South Sudan, Eritrea, Ethiopia, Kenya, the Democratic Republic of the Congo, Burundi, Rwanda, Uganda, and Tanzania. The Nile is composed of two tributaries: the White Nile and the Blue Nile.
Where are the Blue Nile Falls in Ethiopia?
The Blue Nile Falls are about 35 kilometres south of the Bahir Dar, the best approached is from Tis Abay town, a market settlement of the Amhara people who live in this area, farming crops as: sorghum and teff.
When was the Blue Nile Falls Bridge built?
Blue Nile Falls. A short distance downstream from the falls sits the first stone bridge constructed in Ethiopia, built at the command of Emperor Susenyos in 1626. According to Manuel de Almeida, stone for making lime had been found nearby along the tributary Alata, and a craftsman who had come from India with Afonso Mendes,…
Where are the waterfalls in the Nile River?
The Blue Nile Falls is a waterfall on the Blue Nile river in Ethiopia. It is known as Tis Abay in Amharic, meaning “great smoke”. It is situated on the upper course of the river, about 30 km downstream from the town of Bahir Dar and Lake Tana.