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The festival of the Nile as depicted in Norden's Voyage d'Egypte et de Nubie Map of the Nile river. The flooding of the Nile (commonly referred to as the inundation) has been an important natural cycle in Nubia and Egypt since ancient times. It is celebrated by Egyptians as an annual holiday for two weeks starting August 15, known as Wafaa El-Nil.
The water regime of the river was changed fundamentally in 1970 when the Aswan High Dam was completed, eliminating the annual Nile flood. The dam brought major benefits such as increased water availability for Egyptian agriculture leading to higher income and employment, hydropower production, flood control, improved navigation, and the ...
Egyptian civilization has sustained itself utilizing water management and agriculture for some 5,000 years in the Nile River valley. The Egyptians practiced basin irrigation, a form of water management adapted to the natural rise and fall of the Nile River. Since around 3000 BCE, the Egyptians constructed earthen banks to form flood basins of ...
A team of archaeological divers found pieces of ancient Egyptian artifacts that have been sitting at the bottom of the Nile River since the area was flooded in the 1960s and 1970s.
The civilization of ancient Egypt was indebted to the Nile River and its dependable seasonal flooding. The river's predictability and fertile soil allowed the Egyptians to build an empire on the basis of great agricultural wealth. Egyptians are credited as being one of the first groups of people to practice agriculture on a large scale.
A road going through the flooded savannah The Nile Delta upstream of Cairo in 1961. At the northern end is the Nile Delta, 175 km long by 260 km wide. There are some lakes and lagoons with marshes near the seacoast; some of the larger are Lake Burullus and Lake Manzala. The topsoil in the delta is up to 21 meters in depth and intensely used for ...
Climate change is already making extreme flooding more frequent and intense and by 2050 100-year flood events are projected to occur at least twice as frequently as today across 40% of the planet.
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