Armour layer

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Definition of Armour layer:
Protective layer on a breakwater or seawall, composed of armour units.[1].
This is the common definition for Armour layer, other definitions can be discussed in the article

Also:

Definition of Seabed armouring:
The natural process of seabed protection from erosion by currents and waves. Processes can be: suspension and removal of fine sediments from the seabed, leaving a coarse sedimentary top layer (see Shoreface profile), or protection of the seabed by a dense cover of benthic macrofauna (see Biogeomorphology of aquatic systems).
This is the common definition for Seabed armouring, other definitions can be discussed in the article


References

  1. CIRIA (1996). Beach management manual. CIRIA Report 153.