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- Old_Bedford_River abstract "The Old Bedford River is an artificial, partial diversion of the waters of the River Great Ouse in the Fens of Cambridgeshire, England. It was named after the fourth Earl of Bedford who contracted with the local Commission of Sewers to drain the Great Level of the Fens beginning in 1630. The idea of an artificial river running, as the Old Bedford River does, from Earith to Denver was not a new idea; it had been proposed as early as 1604 by the engineer John Hunt. The work on the Old Bedford River was financed by the Earl of Bedford and several other investors and was undertaken between 1630 and 1636, but the supervising engineer is not known.Artificial drainage of low-lying wetlands generally involves one or both of two different practices: a) excluding water flowing from high areas from entering the low-lying area, and b) pumping out water which does manage to get into the low-lying area. The Old Bedford River was constructed on the first principle, as were most of the drainage works constructed in the seventeenth century in the English fens. Both the Old Bedford River and the New Bedford River (constructed 20 years later in 1650) were intended to reduce or eliminate flooding of the fens of the Great Level by carrying the bulk of the water from the Great Ouse River from the uplands of Huntingdonshire to the sea in a straight channel, rather than allowing it to meander (and flood) the fens of the Great Level.The flow in the Great Ouse is maintained for navigation, fisheries and aesthetic reasons but when there is excessive flow, the excess is diverted along the Bedford Rivers of which there are two, the Old and the New. Between them lies The Ouse Wash. This is not to be confused with the estuarine feature of The Wash towards which all this water is flowing. The Ouse Wash is an area in which excess fresh river water is stored until low tide permits its release or until flood levels elsewhere allow. The two rivers have raised banks (which in some parts of the world, would be called levees), so as to keep the flow within them but the outer bank in each case is higher so that when the flow becomes too great, the rivers fill the wash between them but not the farmland of the Middle and South Bedford Levels outside the banks.To facilitate the drainage of the washland, there is a third, unembanked river between the two Bedford Rivers, alongside the Old Bedford River and known as the River Delph. It drains into the New Bedford River two or three kilometres south of Denver Sluice.The names of the three waterways are rather inconsistent. At Welches Dam (where the 1651 Forty Foot drain enters from the West) the Old Bedford river moves to the East and the Forty Foot actually enters the Counter Drain. It is the latter waterway which exits into the River Great Ouse just below Salters Lode. The actual Old Bedford River swaps identities in the Welches Dam area and becomes the River Delph. This dates back to when Forty Foot drain (also called Vermuyden's Drain) was cut. The latter sometimes caused water to flow back up the Old Bedford river to Earith. To alleviate this a dam was built by Edmund Welche across the Old Bedford river just upstream of the junction of the two waterways. Unfortunately this caused the wash area between the Old and New Bedford rivers to flood so a new waterway was cut to link the stub of the Old Bedford River (from the point of the ex-dam) straight into the New Bedford river further upstream at Welmore Lake sluice. This new waterway (which kinks to the right at Welches Dam before continuing parallel with the Old Bedford River) was named the River Delph and a flood bank was also built between it and the Old Bedford river to maintain the integrity of the Wash area".
- Old_Bedford_River thumbnail Old_bedford_river_burton.jpg?width=300.
- Old_Bedford_River wikiPageID "150384".
- Old_Bedford_River wikiPageLength "5161".
- Old_Bedford_River wikiPageOutDegree "27".
- Old_Bedford_River wikiPageRevisionID "705627933".
- Old_Bedford_River wikiPageWikiLink Bedford_Level_experiment.
- Old_Bedford_River wikiPageWikiLink Cambridgeshire.
- Old_Bedford_River wikiPageWikiLink Category:Canals_in_Cambridgeshire.
- Old_Bedford_River wikiPageWikiLink Category:Canals_opened_in_1636.
- Old_Bedford_River wikiPageWikiLink Category:Drainage_canals.
- Old_Bedford_River wikiPageWikiLink Category:Rivers_of_Cambridgeshire.
- Old_Bedford_River wikiPageWikiLink Category:Tributaries_of_the_River_Great_Ouse.
- Old_Bedford_River wikiPageWikiLink Commission_of_Sewers.
- Old_Bedford_River wikiPageWikiLink Denver,_Norfolk.
- Old_Bedford_River wikiPageWikiLink Earith.
- Old_Bedford_River wikiPageWikiLink Estuary.
- Old_Bedford_River wikiPageWikiLink Forty_Foot_Drain.
- Old_Bedford_River wikiPageWikiLink Francis_Russell,_4th_Earl_of_Bedford.
- Old_Bedford_River wikiPageWikiLink Great_Level_of_the_Fens.
- Old_Bedford_River wikiPageWikiLink Huntingdonshire.
- Old_Bedford_River wikiPageWikiLink John_Hunt_(engineer).
- Old_Bedford_River wikiPageWikiLink Levee.
- Old_Bedford_River wikiPageWikiLink New_Bedford_River.
- Old_Bedford_River wikiPageWikiLink Ouse_Washes.
- Old_Bedford_River wikiPageWikiLink River_Great_Ouse.
- Old_Bedford_River wikiPageWikiLink The_Fens.
- Old_Bedford_River wikiPageWikiLink The_Wash.
- Old_Bedford_River wikiPageWikiLink File:Old_bedford_river_burton.jpg.
- Old_Bedford_River wikiPageWikiLink File:Welches_dam_1892_map.png.
- Old_Bedford_River wikiPageWikiLinkText "Bedford Levels".
- Old_Bedford_River wikiPageWikiLinkText "Old Bedford River".
- Old_Bedford_River wikiPageWikiLinkText "Old Bedford".
- Old_Bedford_River wikiPageUsesTemplate Template:Bedford_Rivers_map.
- Old_Bedford_River wikiPageUsesTemplate Template:Coord.
- Old_Bedford_River wikiPageUsesTemplate Template:Reflist.
- Old_Bedford_River wikiPageUsesTemplate Template:River_Great_Ouse.
- Old_Bedford_River wikiPageUsesTemplate Template:Use_British_English.
- Old_Bedford_River wikiPageUsesTemplate Template:Use_dmy_dates.
- Old_Bedford_River subject Category:Canals_in_Cambridgeshire.
- Old_Bedford_River subject Category:Canals_opened_in_1636.
- Old_Bedford_River subject Category:Drainage_canals.
- Old_Bedford_River subject Category:Rivers_of_Cambridgeshire.
- Old_Bedford_River subject Category:Tributaries_of_the_River_Great_Ouse.
- Old_Bedford_River hypernym Diversion.
- Old_Bedford_River point "52.3528 0.044261".
- Old_Bedford_River type Place.
- Old_Bedford_River type SpatialThing.
- Old_Bedford_River comment "The Old Bedford River is an artificial, partial diversion of the waters of the River Great Ouse in the Fens of Cambridgeshire, England. It was named after the fourth Earl of Bedford who contracted with the local Commission of Sewers to drain the Great Level of the Fens beginning in 1630. The idea of an artificial river running, as the Old Bedford River does, from Earith to Denver was not a new idea; it had been proposed as early as 1604 by the engineer John Hunt.".
- Old_Bedford_River label "Old Bedford River".
- Old_Bedford_River sameAs Q7083451.
- Old_Bedford_River sameAs m.013cdv.
- Old_Bedford_River sameAs 2641042.
- Old_Bedford_River sameAs Q7083451.
- Old_Bedford_River lat "52.3528".
- Old_Bedford_River long "0.044261".
- Old_Bedford_River wasDerivedFrom Old_Bedford_River?oldid=705627933.
- Old_Bedford_River depiction Old_bedford_river_burton.jpg.
- Old_Bedford_River isPrimaryTopicOf Old_Bedford_River.