Difference between revisions of "Defence structure"

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[[File:Paaluvarustuksia Raaseporin linnalla.jpg]]
 
[[File:Paaluvarustuksia Raaseporin linnalla.jpg]]
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Part of pile defence structure at the site Raasepori castle in Finland. Photo: Sallamaria Tikkanen, Finnish Heritage Agency.

Revision as of 14:47, 25 March 2021

Defintion

Umbrella term for fortifications that were either purposely constructed in the water or that were once terrestrial and became inundated as a result of sea-level change.


Description

A barrier can consist of oblique or vertical wooden piles, stones or log coffins filled with stones [1] A sea barrier or harbour facility can be integrated in a wider defence structure.


Paaluvarustuksia Raaseporin linnalla.jpg

Part of pile defence structure at the site Raasepori castle in Finland. Photo: Sallamaria Tikkanen, Finnish Heritage Agency.

  1. Guide for Archaeological Heritage in Finland: underwater defence structure: http://akp.nba.fi/wiki;vedenalainen-estevarustus