Struve Geodetic Arc

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  7. World Heritage Sites in Belarus
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  13. World Heritage Sites in Norway
  14. World Heritage Sites in Sweden
  15. World Heritage Sites in Ukraine
  16. Geodesy
  17. World Heritage Sites in Russia
  18. Struve family


Coordinates: 59°3′28″N 26°20′16″E / 59.05778°N 26.33778°E / 59.05778; 26.33778{{#coordinates:59|3|28|N|26|20|16|E|type:landmark_region:EE

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Map of the Struve Geodetic Arc where red points identify the World Heritage Sites.

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Struve Geodetic Arc
Ensemble of memorable sites
The northernmost station of the Struve Geodetic Arc is located in Fuglenes, Norway.
Countries Estonia, Belarus, Finland, Latvia, Lithuania, Norway, Moldova, Russia, Sweden, Ukraine
Landmarks Fuglenes, Staro-Nekrassowka, others
Seas Baltic Sea, North Sea, Black Sea
Coordinates 3|28|N|26|20|16|E|type:landmark_region:EE name=

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Length 2,820,000 m (9,251,969 ft), north-south
Author Friedrich Georg Wilhelm von Struve
Founded Geodetic Arc
Date 1855
UNESCO World Heritage Site
Name Struve Geodetic Arc
Year 2005 (#29)
Number 1187
Region Europe and North America
Criteria ii, iii, vi
File:Tartu Observatory 2008.JPG
Tartu Old Observatory, the first point of the arc.
File:Commemorative plaque Struve Geodetic Arc Baranivka.jpg
The commemorative plaque of the arc in Baranivka, Ukraine

The Struve Geodetic Arc is a chain of survey triangulations stretching from Hammerfest in Norway to the Black Sea, through ten countries and over 2,820 km, which yielded the first accurate measurement of a meridian.

The chain was established and used by the German-born Russian scientist Friedrich Georg Wilhelm von Struve in the years 1816 to 1855 to establish the exact size and shape of the earth. At that time, the chain passed merely through two countries: Union of Sweden-Norway and the Russian Empire. The Arc's first point is located in Tartu Observatory, where Struve conducted much of his research.

In 2005, the chain was inscribed on the World Heritage List as a memorable ensemble of the chain made up of 34 commemorative plaques or built obelisks out of the original 265, main station points which are marked by drilled holes in rocks, iron crosses, cairns, others.

Measurement of the triangulation chain comprises 258 main triangles and 265 geodetic vertices. The northernmost point is located near Hammerfest in Norway and the southernmost point near the Black Sea in Ukraine.

Chain

Norway

Sweden

Finland

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Russia

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Estonia

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Latvia

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Lithuania

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Belarus

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Moldova

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Ukraine

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  • GoglandZ.jpg

    Hogland Z

See also

External links

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