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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]
Mississippi Delta – green line marks boundary. The Mississippi Delta, also known as the Yazoo–Mississippi Delta, or simply the Delta, is the distinctive northwest section of the U.S. state of Mississippi (and portions of Arkansas and Louisiana) that lies between the Mississippi and Yazoo rivers.
The Mississippi River Delta is a river-dominated delta system, influenced by the largest river system in North America. The shape of the current birdfoot delta reflects the dominance the river exerts over the other hydrologic and geologic processes at play in the northern Gulf of Mexico. [ 6 ]
The delta is sometimes divided into sections, with the Nile dividing into two main distributaries, the Damietta and the Rosetta, [4] flowing into the Mediterranean at port cities with the same name. In the past, the delta had several distributaries, but these have been lost due to flood control, silting and changing relief.
delta A landform at the mouth of a river where the main stem splits up into several distributaries. It is formed from the deposition of the sediment carried by the river as the flow leaves the mouth of the river. Compare estuary. [5] The Skokomish River delta in the northwestern United States, where the river flows into Puget Sound ...
This process is also known as delta switching. Deposition from the river results in the formation of an individual deltaic lobe that pushes out into the sea. An example of a deltaic lobe is the bird's-foot delta of the Mississippi River , pictured at right with its sediment plumes.
Satellite image of Okavango Delta, with national borders added Typical region in the Okavango Delta, with free canals and lakes, swamps and islandsThe Okavango Delta [2] (or Okavango Grassland; formerly spelled "Okovango" or "Okovanggo") in Botswana is a vast inland delta formed where the Okavango River reaches a tectonic trough at an altitude of 930–1,000 m [3] in the central part of the ...
Ganges Delta, 2020 satellite photograph. The Ganges Delta (also known the Ganges-Brahmaputra Delta, the Sundarbans Delta or the Bengal Delta [1]) is a river delta predominantly covering the Bengal region of the Indian subcontinent, consisting of Bangladesh and the Indian state of West Bengal.