Tag:man_made=groyne

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+/- man_made=groyne Description A rigid structure built from a shoreline or riverbank that interrupts water flow and limits the movement of sediment Used on these elements Status Undefined Tools for this tag Combinations worldwide in Australia/Oceania in Europe (list) in Asia (list) in Central America (list) in South America (list) in Africa (list)  (via overpass turbo - help)

Use the man_made=groyne tag to mark a groyne, which is a rigid structure stretching out a short distance from the shoreline or riverbank for the purpose of reducing the movement of sediment (eg sand and gravel) or sometimes to reduce ice-jamming.

Not to be confused with man_made=breakwater, which is used for structures designed primarily to create a area of calm water for mooring boats, or with man_made=pier, which is used for structures on which people walk over water to access boats or similar.

How to map

See also Coastline

Create a linear way along the length of the groyne. Alternatively create a sequence of linked ways with one or more additional tags. For example:

• submerged=yes - for the part always submerged
• tidal=yes - for the part that are submerged on high tide and above water on low tide
• height=* - height over seabed (question: is the height not variable along its length? PeterIto 20:01, 23 August 2012 (BST))

Photos

• 

  Groyne under water

• 

  Stone groyne

• 

  Groyne in the tidelands

See also

• Marine Mapping
• Harbour