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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 ...
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 shallow waterway, perhaps five times broader than today, winding through malarious marshlands, has been transformed by human intervention into a deep, narrow tidal canal flowing between ...
Under the system, channels (pynes) [2] are dug into the soil - allowing for water to flow - with raised embankments on the sides. The channel is interspersed with small retention ponds (ahars), [2] useful for collecting excess water. The design of the system serves a dual purpose, draining water during floods and retaining water during droughts.
Prepared in 1951, The Haigh Report outlined a series of sluices, embankments and canals on the lower ends of the Tigris and Euphrates that would drain water for agriculture. These notably included the Main Outfall Drain (MOD), a large canal also referred to as the Third River, and the Nasiriyah Drainage Pump Station.
The side of a levee in Sacramento, California. A levee (/ ˈ l ɛ v i / or / ˈ l ɛ v eɪ /), [a] [1] dike (American English), dyke (British English; see spelling differences), embankment, floodbank, or stop bank is an elevated ridge, natural or artificial, alongside the banks of a river, often intended to protect against flooding of the area adjoining the river.
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Modern zoned-earth embankments employ filter and drain zones to collect and remove seep water and preserve the integrity of the downstream shell zone. An outdated method of zoned earth dam construction used a hydraulic fill to produce a watertight core. Rolled-earth dams may also employ a watertight facing or core in the manner of a rock-fill dam.