The Oslofjord (Norwegian: Oslofjorden, Urban East Norwegian: [²ʊʂlʊˌfjuːɳ]; English: Oslo Fjord) is an inlet in the south-east of Norway, stretching from an imaginary line between the Torbjørnskjær and Færder lighthouses and down to Langesund in the south to Oslo in the north. It is part of the Skagerrak strait, connecting the North Sea and the Kattegat sea area, which leads to the Baltic Sea. The Oslofjord is not a fjord in the geological sense — in Norwegian the term fjord can refer to a wide range of waterways. The bay is divided into the inner (indre) and outer (ytre) Oslofjord at the point of the 17 by 1 kilometre (10.56 by 0.62 mi) Drøbak Sound.
In the period 1624–1925 the name of the fjord was Kristianiafjorden (or Christianiafjorden), since Christiania was the name of the capital in this period. The old Norse name of the fjord was Fold, giving names to the counties of Vestfold ('the district west of Fold') and Østfold ('the district east of Fold') — and also the district Follo.
Each of the islands in the innermost part of the fjord has its own identity and distinguishing history. Among them are Hovedøya, Lindøya, Nakholmen, Bleikøya, Gressholmen, and Langøyene. These islands can be reached with the Oslo-boats from Aker Brygge. Hovedøya contains monastery ruins, Gressholmen for its rabbits, Nakholmen, Bleikøya, Lindøya for their cosy cabins at the water's edge, and finally Langøyene for its camping possibilities and beach.
The inner part of the Oslofjord has steep and forest covered hill slopes down towards the fjord.
The Oslofjord has Norway's highest all year temperature: 7.5 degrees Celsius. February is the coldest month in the fjord with -1.3 degrees Celsius, while July normally has 17.2 degrees Celsius. The islands in the middle of the fjord are among Norway's warmest with high summer temperatures and moderate winters. Oslofjord's relatively high temperatures enable various flora to flourish.
The oldest settlements in the area surrounding the Oslofjord date from the Stone Age and the Bronze Age. It was here on the eastern and western shores that three of the best preserved Viking ships were unearthed. In historical times, this bay was known by the current name of the region, Viken (the bay).
Oslofjord has been an important body of water strategically due to its proximity to Oslo. During WWII, there were German installations at several points on its coastline. One installation in Hovedøya held 1,100 Wehrmacht soldiers and later women deemed Nazi collaborators at the National Internment Camp for Women in Hovedøya.
Norwegian painter Edvard Munch had a cottage and studio in Åsgårdstrand on the fjord and the Oslofjord appears in several of his paintings, including The Scream and Girls on the Pier.
Second World WarEdit
The fjord was the scene of a key event in the German invasion of Norway in April 1940, the Battle of Drøbak Sound. The invasion plan envisaged landing of 1,000 troops transported by ship to Oslo. Colonel Eriksen, Commander of the Oscarsborg fortress near Drøbak, mainly maintained for historical purposes, sank the German heavy cruiser Blücher in the Drøbak narrows.
The fortress's resistance blocked the route to Oslo, thus delaying the rest of the invading group long enough for the Norwegian royal family, government, parliament, and national treasury to evacuate. Thus Norway never surrendered to the Germans, leaving the Quisling government illegitimate and permitting Norway to participate as an ally in the war, rather than as a conquered nation.
The entire population situated around the Oslofjord including Oslo is about 1.96 million, and the total population of all the counties situated around the fjord is approximately 2.2 million.
More than 40% of Norway's population resides under 45 minutes of driving from the Oslofjord. The Oslofjord has Norway's busiest traffic of ferries and cargo boats.
Although the Oslofjord contains hundreds of populated islands, most of the population of the fjord resides on the mainland.
In the summer there are boats of all sizes on the fjord, and it is possible to go kayaking, canoeing, fishing, and sailing.
The Oslofjord is one of the nine venues of the Class 1 World Powerboat Championship.
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- de Jong, Folkert (2007). Marine Eutrophication in Perspective: On the Relevance of Ecology for Environmental Policy. Berlin: Springer. p. 53.
- Braarud, Trygve (1945). A Phytoplankton Survey of the Polluted Waters of Inner Oslo Fjord. Oslo: I kommisjon hos Jacob Dybwad. p. 11ff.
Hastings, Max (2011). "Blitzkriegs in the West". All Hell Let Loose: The World at War 1939-1945. London: Harper Press. p. 44. ISBN 9780007338122. Retrieved 10 June 2019.
[...] the new cruiser Blücher, carrying thousands of German troops, approached Oscarsborg. [...] Local commander Colonel Birger Eriksen, knowing the gunners' limitations, held his fire until the last moment. [...] One shell hit the cruiser's anti-aircraft control centre, while the other smashed into an aviation fuel store, causing a pillar of flame to leap skywards. After suffering two further hits from shore-based torpedoes, within minutes Blücher was engulfed in fire and listing heavily, her ammunition exploding. The ship sank with the loss of a thousand German lives.