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An embankment is a raised wall, bank or mound made of earth or stones, that are used to hold back water or carry a roadway. A road , railway line , or canal is normally raised onto an embankment made of compacted soil (typically clay or rock-based) to avoid a change in level required by the terrain , the alternatives being either to have an ...
Cattle grazing below high water, Isle of Dogs, 1792 (Robert Dodd, detail: National Maritime Museum) The Embanking of the tidal Thames is the historical process by which the lower River Thames, at one time a broad, shallow waterway winding through malarious marshlands, has been transformed by human intervention into a deep, narrow tidal canal flowing between solid artificial walls, and ...
There had been a long history of failed proposals to embank the Thames in central London. Embankments along the Thames were first proposed by Christopher Wren in the 1660s, then in 1824 former soldier and aide to George IV, Sir Frederick Trench suggested an embankment [1] known as 'Trench's Terrace' from Blackfriars to Charing Cross. Trench ...
In Wuhan, where more than 380 sponge projects — including urban gardens, parks and green spaces — absorb and divert rain water to artificial lakes, local air quality and biodiversity were ...
By placing these embankments somewhat back from the margin of the river-bed, a wide flood-channel is provided for the discharge of the river as soon as it overflows its banks, while leaving the natural channel unaltered for the ordinary flow. Low embankments may be sufficient where only exceptional summer floods have to be excluded from meadows.
A levee, an artificial bank raised above the immediately surrounding land to redirect or prevent flooding by a river, lake or sea; Embankment (earthworks), a raised bank to carry a road, railway, or canal across a low-lying or wet area
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Most flood embankments are between 1 metre and 3 metres high. A 5-metre-high (16 ft) flood embankment is rare. [1] Modern improvements to this design include constructing an internal central core made from impermeable substance like clay or concrete, some even use metal pilings. [2] Some authorities call man-made structures levees.