(Redirected from Nile delta)

NASA satellite photograph of the Nile Delta (shown in false colour)
The 'Nile Delta' (
Arabic:دلتا النيل) is the
delta formed in Northern
Egypt where the
Nile River spreads out and drains into the
Mediterranean Sea. It is one of the world's largest river deltas—from
Alexandria in the west to
Port Said in the east, it covers some 240 km of Mediterranean coastline—and is a rich
agricultural region. From north to south the delta is approximately 160 km in length. The Delta begins slightly down-river from
Cairo.
Shape and composition

Nile River and Delta
The Nile is considered to be an "arcuate" delta (arc-shaped), and resembles a triangle or lotus flower when seen from above. The outer edges of the delta are eroding, and some coastal lagoons have seen increasing salinity levels as their connection to the Mediterranean Sea increases. Since the delta no longer receives an annual supply of nutrients and sediments from upstream due to the construction of the
Aswan High Dam, the soils of the floodplains have become poorer, and large amounts of fertilizers are now used.
Topsoil in the delta can be as much as 70 feet in depth. Also the top soil falls off in the land and causes the water to rise.
History
People have lived in the Nile Delta region for thousands of years, and have been intensively farming for at least five thousand years. The Nile River used to be flooded on an annual basis, but this ended with the construction of the
Aswan Dam. Records from ancient times (
Pliny the Elder), show that the delta had seven distributaries: (from east to west) the Pelusiac, the Tanitic, the Mendesian, the Phatnitic, the Sebennytic, the Bolbitine, and the Canopic (also called the Herakleotic, e.g. at [Callisthenes] Alexander 1.31). There are now only two main branches, due to flood control, silting and changing relief: The Damietta (corresponding to the Phatnitic) to the east and the Rosetta (corresponding to the Bolbitinic)
1 on the western part of the delta.
The
Rosetta Stone was found in the Nile Delta in
1799 in the port city of Rosetta (anglicized name of
Rashid). In pharaonic times, this area was Lower Egypt. It was also called the "Land of Goshen".

The Rosetta Stone, found in the Nile Delta in 1799
Flora & Fauna
During the fall, parts of the Nile River are red with
lotus flowers. The Lower Nile (North) and the Upper Nile (South) have plants that grow in abundance. The Lower Nile plant is the Egyptian lotus, and the Upper Nile plant is the
Cyperus papyrus (papyrus sedge), although it is not nearly as plentiful as it once was, and is becoming quite rare.
Several hundred thousand water birds winter in the delta, including the world’s largest concentrations of
little gulls and
whiskered terns. Other birds making their homes in the delta include
grey herons,
Kentish Plovers,
shovelers and
cormorants. Also found are
egrets and
ibises.
Other animals found in the delta include
frogs,
turtles,
tortoises,
mongooses, and the
Nile monitor.
Nile crocodiles are no longer found in the Nile Delta. Fish found in the delta include the
Striped mullet and soles.
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Whiskered Tern
Climate
The Nile Delta has a Mediterranean climate, characterized by little rainfall. Only 100 to 200 mm of rain falls on the delta area during an average year, and most of this falls in the winter months. The delta experiences its hottest temperatures in July and August, averaging 30°C, with a maximum of around 48°C. Winter temperatures are normally in the range of 5° to 10°C. The Nile Delta region becomes quite humid during the summer months.
Ancient and modern cities in the Delta region
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Alexandria
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Avaris
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Bilbeis
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Bubastis
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Canopus
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Damanhur
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Damietta
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Leontopolis
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Mendes
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Mit Abu al-Kum
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Mansoura
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Naucratis
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Pelusium
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Port Said
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Rosetta
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Sais
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Tanis
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Tanta
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Zagazig
See also
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Alexandria
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Cairo
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Prefecture Apostolic of the Delta of the Nile
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River delta
References
1. p87 in W. Hayes, 'Most Ancient Egypt', JNES, 23 (1964), 73-114.
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keyway.ca
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worldwildlife.org