Freshwater resources in Egypt and Nigeria
1. Total amount
Nigeria's total freshwater resources reach 956 cubic kilometers, ranking 16th in the world, with 4530 cubic meters per capita; Egypt's freshwater resources are about 57.3 cubic kilometers, ranking 87th in the world, and the per capita freshwater volume is only 531 cubic meters.
2. Water rate
Egypt's total water rate is only 0.6%; Nigeria's water rate is 2.4 per cent.
3. Precipitation
The average annual precipitation in Egypt is only 50-200 mm; The average annual precipitation in Nigeria is about 200-3000 mm.
4. Rivers
Egypt's most important river is the Nile, with a total length of 6650 kilometers, ranking first in the world in length, with a runoff of 2640 cubic meters per second, ranking 39th in the world, and a basin area of 2.87 million square kilometers, ranking sixth in the world.
The Niger River, which flows through Nigeria, is the country's most important river, with a total length of 4184 kilometers, ranking fourteenth in the world, with a runoff of 6300 cubic meters per second, ranking 34th in the world, and a basin area of 2.1 million square kilometers, ranking ninth in the world.
5. Lakes
Lake Chad is the largest freshwater lake in Nigeria (shared by Chad, Cameroon, Nigeria and Niger), with an area of 1540 square kilometers, a volume of 10.8 cubic kilometers, and a maximum depth of 11 meters.
Egypt's largest freshwater lake is the Nasser Reservoir (shared with Sudan), with an area of 5,250 square kilometers, a volume of 132 cubic kilometers, and a maximum depth of 130 meters.
