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Groyne - Wikipedia, the free encyclopedia

A groyne ( groin in the United States) is a rigid hydraulic structure built from an ocean shore (in coastal engineering) or from a bank (in rivers) that interrupts water flow and limits the movement of sediment. In the ocean, groynes create beaches, or avoid having them washed...

http://en.wikipedia.org/wiki/Groyne

Case 4

Experience has shown that groynes work best along north- or south-facing coastlines and are least effective on east- or west-facing coastlines.

http://www.unesco.org/csi/pub/source/ero18.htm

Coping with shoreline erosion in the Caribbean

Experience has shown that groynes work best along north or south facing coast lines. For example, groynes have worked reasonably effectively on the north coast of Nevis.

http://www.unesco.org/csi/act/cosalc/shore-ero.htm

Coastal Erosion

David Morkill, Royal St David’s GC, stated that grants for such work were so important.  Having carried out the protection work, if it was not for the efforts of the Golf Club there would not...

http://www.golfecology.co.uk/articles/coastal.html

The Hindu : Tamil Nadu / Chennai News : Height of groynes being

Large stones are being heaped upon the existing groynes and work is scheduled for completion within two weeks.

http://www.hinduonnet.com/2007/08/09/stories/2007080960470400.htm

Human impacts at the coast intended to stabilise a coastline can

Groynes work fine on the side of it that is fed by longshore drift but on the other side the beach ...

http://www.academicdb.com/Physical_Sciences/Geography___Environmental_Sciences/Environmental_Sciences/Human_impacts_at_the_coast_intended_to_s_L86604.html

River Rhine Floods 1995 | Causes

Human and physical causes of the River Rhine floods of 1995.. ... Deflector groynes used to reduce channel width and deepen the navigable channel have led to faster flow upstream

http://geographyfieldwork.com/RhineCauses.htm

Dunwich And Aldeburgh

How do groynes work? Groynes trap the sand which is carried along the coast by longshore drift . The sand acts as a natural protection against the force of the waves.

http://www.slideshare.net/guest52aba7/dunwich-and-aldeburgh

Groyne: Facts, Discussion Forum, and Encyclopedia Article

The areas between groups of groynes are groyne fields. Groynes are generally made of wood, ... s. Groynes, however, may cause a shoreline to be perceived as unnatural and ugly. ... How groynes work

http://www.absoluteastronomy.com/topics/Groyne

£ 25 buys you £ 50!

Among the options had been the construction of off-shore reefs and beach groynes – work which would cost many millions of pounds. A “do nothing” option would mean that the whole of the;

http://www.aldeandore.net/minsmere.pdf
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