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Rivers are an essential component of the terrestrial realm and have been a preferable location for human settlements during history. River is the main expression used for river channels themselves, riparian zones, floodplains and terraces, adjoining uplands dissected by lower channels and river deltas. [3]
The flushing flow method involves partially or completely emptying the reservoir behind a dam to erode the sediment stored on the bottom and transport it downstream. [7] [6] Flushing flows aim to restore natural water and sediment fluxes in the river downstream of the dam, however the flushing flow method is less costly compared to removing dams or constructing bypass tunnels.
A river bank can be divided into three zones: Toe zone, bank zone, and overbank area. The toe zone is the area which is most susceptible to erosion. [2] Because it is located in between the ordinary water level and the low water level, it is strongly affected by currents and erosional events. [2]
As officials assess flood damage in the Central Coast and Central Valley, more rain moves in. Southern California will see rain Tuesday and Wednesday.
The Great Mississippi Flood of 1927 was the most destructive river flood in the history of the United States, with 27,000 square miles (70,000 km 2) inundated in depths of up to 30 feet (9 m) over the course of several months in early 1927. The period cost of the damage has been estimated to be between $246 million and $1 billion, which ranges ...
Depression-era folk singer Buster Red recorded "Allegheny River", wherein the river is a destructive force throughout life, but not necessarily a malignant one. [23] Folksinger Pete Seeger's song "Where the Old Allegheny and Monongahela Flow", depicts a character living in a city pining for a return to the Allegheny River. [24]
This is despite France spending 1.4 billion euros ($1.5 billion) on upgrading the city’s antiquated sewage system, which discharges waste into the river during periods of heavy rainfall.
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]