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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.
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.
Timsah's main source of fresh water was annual Nile flooding until the Aswan High Dam interrupted these flows in 1966, although groundwater also accounts for much of the lake's freshwater supply. [6] Lake Timsah experiences both stratification variations in salinity and seasonal surface variations in salinity, and in recent decades freshwater ...
A nilometer is a structure for measuring the Nile River's clarity and water level during the annual flood season in Egypt. [1] There were three main types of nilometers, calibrated in Egyptian cubits: (1) a vertical column, (2) a corridor stairway of steps leading down to the Nile, and (3) a deep well with a culvert. [1]
The Nile floods provided brick making and house building labor. Mud became less available from the High Dam. The Nile allowed for 124 million tons of sediment to be carried to the sea each year and after the creation of the dam 98% of that sediment fell under the dam. [1] Environmentally, the Aswan Dam has contributed to numerous issues for ...
All drainage water in Upper Egypt, south of Cairo, flows back into the Nile and the irrigation canals; this amount is estimated at 4 km3/yr. Drainage water in the Nile Delta is estimated at 14 km3/yr. [3] As mentioned below about 10 km3/year of drainage water in the Delta that originates from freshwater is being pumped to the sea. Reuse of ...
The delta experiences its hottest temperatures in July and August, with a maximum average of 34 °C (93 °F). Winter temperatures normally range from 9 °C (48 °F) at nights to 19 °C (66 °F) in the daytime. With cooler temperatures and some rain, the Nile Delta region becomes quite humid during the winter months. [21]
The Aswan Dam, or Aswan High Dam, is one of the world's largest embankment dams, which was built across the Nile in Aswan, Egypt, between 1960 and 1970.When it was completed, it was the tallest earthen dam in the world, surpassing the Chatuge Dam in the United States. [2]