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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]
The modern Mississippi River Delta formed over the last approximately 4,500 years as the Mississippi River deposited sand, clay and silt along its banks and in adjacent basins. The Mississippi River Delta is a river-dominated delta system, influenced by the largest river system in North America.
The San Joaquin River throughout most of the Delta and the lower Sacramento River below its connection to the Sacramento Deep Water Ship Channel are routinely dredged to allow the passage of large cargo ships. The Sacramento River corridor has been maintained to a depth of 7 ft (2.1 m) as early as 1899, and was deepened to 30 ft (9.1 m) in 1955.
The Mobile–Tensaw River Delta is the largest river delta and wetland in Alabama. It encompasses approximately 260,000 acres (110,000 ha) in a 40-by-10-mile (64 km × 16 km) area and is the second largest delta in the contiguous United States . [ 1 ]
Another example is the delta of the Tagus river in Portugal, although due to sedimentation this delta is now only very partially inverted, with the valley now mostly filled with sediment. It is still about 15 km (9.3 mi) wide and 25 km (15.5 mi) long, compared with the 2 km-wide (1.2 mi) exit into the sea, and forms a large lagoon with large ...
Sacramento–San Joaquin River Delta (4 C, 48 P) Pages in category "River deltas of the United States" The following 10 pages are in this category, out of 10 total.
The Saskatchewan River Delta (SRD), also known as Cumberland Marshes, is a large alluvial delta that straddles the border of the provinces of Saskatchewan and Manitoba in Western Canada. Currently terminating at Cedar Lake, Manitoba , the delta is composed mainly of various types of wetlands , shallow lakes , and active and abandoned river ...
The Yukon–Kuskokwim Delta is a river delta located where the Yukon and Kuskokwim rivers empty into the Bering Sea on the west coast of the U.S. state of Alaska. At approximately 129,500 square kilometers (50,000 sq mi) in size, [ 1 ] it is one of the largest deltas in the world.