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NASA satellite photograph of the Nile Delta (shown in false color) The Nile Delta at night as seen from the ISS in October 2010.. The Nile Delta (Arabic: دلتا النيل, Delta an-Nīl or simply الدلتا, ad-Delta) is the delta formed in Lower Egypt where the Nile River spreads out and drains into the Mediterranean Sea. [1]
A river delta is so named because the shape of the Nile Delta approximates the triangular uppercase Greek letter delta.The triangular shape of the Nile Delta was known to audiences of classical Athenian drama; the tragedy Prometheus Bound by Aeschylus refers to it as the "triangular Nilotic land", though not as a "delta". [8]
The Cataracts of the Nile are shallow lengths (or whitewater rapids) of the Nile river, between Khartoum and Aswan, where the surface of the water is broken by many small boulders and stones jutting out of the river bed, as well as many rocky islets. In some places, these stretches are punctuated by whitewater, while at others the water flow is ...
The Nile delta at the time of Herodotus, according to James Rennell (corresponding to the Phatnitic, to the east) and the Rashid (corresponding to notably the Nile, have provided water, transportation, and defense to Egypt for thousands of years. There is only one year-round river in Egypt, the Nile.
Historically relevant here is The principles and objects of geology, with special reference to the geology of Egypt (1911) by W. F. Hume Egypt's geological history has produced four major physical regions: Nile Valley and Nile Delta; Western Desert (from the Nile west to the Libyan border)
A seasonal distributary of the Kaveri River on the Kaveri delta, near Nannilam, India Kollidam River is a distributary of the Kaveri River . Himalayan rivers including Ganges, Brahmaputra and Indus plus many tributaries form inland distributaries over vast alluvial fans as they transition from the mountain region to the flat Indo-Gangetic Plain .
Silt is abundant in eolian and alluvial deposits, including river deltas, such as the Nile and Niger River deltas. Bangladesh is largely underlain by silt deposits of the Ganges delta. Silt is also abundant in northern China, central Asia, and North America. [5] However, silt is relatively uncommon in the tropical regions of the world. [16]
The Nile, for example, is considered to be an arcuate delta because of its arc shaping. As it is waves that shape it into an arc , it also falls under the category of a wave-dominated delta. The word delta is derived from the Greek letter delta , which, like arcuate deltas, is roughly triangular.