Difference between revisions of "Defence structure"
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+ | Part of pile defence structure at the site Raasepori of castle in Finland. Photo: Sallamaria Tikkanen, Finnish Heritage Agency. | ||
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+ | [[File:suokki länsi-mustasaaren väyläeste Maija Huttunen 2011.jpg]] | ||
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+ | Underwater defence structure at Suomenlinna, Helsinki, Finland. Photo: Maija Huttunen. |
Latest revision as of 14:13, 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.
Part of pile defence structure at the site Raasepori of castle in Finland. Photo: Sallamaria Tikkanen, Finnish Heritage Agency.
Underwater defence structure at Suomenlinna, Helsinki, Finland. Photo: Maija Huttunen.
- ↑ Guide for Archaeological Heritage in Finland: underwater defence structure: http://akp.nba.fi/wiki;vedenalainen-estevarustus