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Definition of Groyne:
a groyne is normally a straight structure perpendicular to the shoreline. Groynes work by blocking (part of) the littoral drift, whereby they trap/maintain sand on their upstream side. Groynes can have special shapes and they can be emerged, sloping or submerged, they can be single or in groups, the so-called groyne fields. Groynes are normally built as rubble mound structures, but they can also be constructed in other materials, such as concrete units, timber, etc.
This is the common definition for Groyne, other definitions can be discussed in the article

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The main author of this article is Mangor, Karsten
Please note that others may also have edited the contents of this article.

Citation: Mangor, Karsten (2020): Groyne. Available from [accessed on 22-06-2024]