What historic capital city is situated where the White Nile and Blue Nile join to form the southern start of the Nile?
Nile Khartoum. The Blue Nile (, "ʿĀbay") springs from Lake Tana in the Ethiopian Highlands. The Blue Nile flows about 1,400 kilometres to Khartoum, where the Blue Nile and White Nile join to form the Nile. Ninety percent of the water and ninety-six percent of the transported sediment carried by the Nile originates in Ethiopia, with fifty-nine percent of the water from the Blue Nile (the rest being from the Tekezé, Atbarah, Sobat, and small tributaries). The erosion and transportation of silt only occurs during the Ethiopian rainy season in the summer, however, when rainfall is especially high on the Ethiopian
Blue Nile the Nile Valley and the consequent rise of Ancient Egypt and Egyptian mythology. With the completion in 1970 of the Aswan Dam in Egypt, the Nile floods ended for lower Egypt. The Blue Nile is vital to the livelihood of Egypt. The Blue Nile, the most significant tributary of the Nile, contributes more than half of the Nile's streamflow. Though shorter than the White Nile, 59% of the water that reaches Egypt originates from the Blue Nile branch of the great river. The river is also an important resource for Sudan, where the Roseires Dam and Sennar Dams produce 80%