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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.
Global distribution of the 4.2 kiloyear event. The hatched areas were affected by wet conditions or flooding, and the dotted areas by drought or dust storms. [1] The 4.2-kiloyear (thousand years) BP aridification event (long-term drought), also known as the 4.2 ka event, [2] was one of the most severe climatic events of the Holocene epoch. [3]
Southern Arizona was uplifted and experienced volcanic eruptions, which deposited high silica ash to the north as the Chinle Formation, which created the petrified wood of Petrified Forest National Park. Through the Jurassic, a large coastal desert similar to the modern Sahara or Namib desert occupied northern Arizona into Utah.
The following description is from USGS Bulletin 798 by C. R. Longwell in 1928: [3]. In all the large intermontane valleys adjacent to the Muddy Mountains and neighboring ranges there are thick clays or silts and associated deposits that have been relatively little disturbed by crustal deformation.
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.
Faruk Kaya, AICU vice rector professor, says that analyzing rocks and soil from the uniquely shaped area on the mountain shows human activity in the region, timed to the years following the flood ...
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 ...
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