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Posts tagged Gulf of Bothnia

Conditions in Bothnian Sea, Finland and Sweden

60.5N 19.6E

February 15th, 2013 Category: Climate Change

Finland – January 22nd, 2013

The Bothnian Sea is the southern part of the Gulf of Bothnia, which is situated between Sweden, to the West, Finland, to the East, and the Sea of Åland and Archipelago Sea to the South. The Bothnian Sea, with a surface area of approximately 79,000 km², occupies about one-fifth of the total of the Baltic Sea.

The Bothnian Sea is different from other sea areas of the Baltic Sea. On the whole it is good condition and its open sea is even in excellent condition. On the other hand, eutrophication, the ecosystem response of an aquatic system to the addition of artificial or natural substances, such as nitrates and phosphates through fertilizers or sewage, is threatening to increase, both in the open sea and near the coast. Eutrophication exemplifies the deterioration in the condition of the sea. Climate change, chemicalisation and changes in species also present challenges.

Bothnian Bay Between Finland and Sweden

65.0N 22.1E

February 20th, 2012 Category: Snapshots

Sweden and Finland - December 29th, 2011

This orthorectified wide-swath ASAR image shows the Bothnian Bay or Bay of Bothnia (Swedish: Bottenviken, Finnish: Perämeri), the northernmost part of the Gulf of Bothnia. Its northernmost point is situated in Töre. The bay is bounded by Finland to the east, Sweden to the west, and the Kvarken sound to the south. The maximum depth of the bay is 482 feet (147 m). The bay has the highest rate of rising of land by post-glacial rebound in the Baltic Sea.

The Gulf of Bothnia (Finnish: Pohjanlahti; Swedish: Bottniska viken) is the northernmost arm of the Baltic Sea. It is situated between Finland’s west coast and Sweden’s east coast. The gulf is 725 km (450 mi) long, 80–240 km (50-150 mi) wide and has an average depth of 60 m (200 ft, 33 fathoms). The maximum depth is 295 m (965 ft, 161 fathoms). The surface area is 117,000 km² (45,200 sq mi).

North Sea and Norway to Sweden and Gulf of Bothnia

63.5N 12.4E

July 22nd, 2011 Category: Mountains

Norway and Sweden - July 14th, 2011

This image stretches across Norway (left), on the coast of the North Sea and the Norwegian Sea, to Sweden (right) and the shores of the Gulf of Bothnia. The two countries are separated by the Scandinavian mountain chain (Skanderna).

The coast of Norway is rugged, broken by huge fjords and thousands of islands. The fjords, best observed in the full image, appear as dark blue line reaching inland from the coast.

Gulf of Bothnia Between Finland and Sweden

64.4N 21.9E

July 12th, 2011 Category: Snapshots

Sweden and Finland - July 7th, 2011

The large body of water extending from the center to the lower part of this image is the Gulf of Bothnia, the northernmost arm of the Baltic Sea. It is situated between Finland’s west coast and Sweden’s east coast.

In the south of the gulf lie the Åland Islands, between the Sea of Åland and the Archipelago Sea. The gulf is 725 km (450 mi) long, 80–240 km (50-150 mi) wide and has an average depth of 60 m (200 ft, 33 fathoms). The maximum depth is 295 m (965 ft, 161 fathoms). The surface area is 117,000 km² (45,200 sq mi).

Into the gulf flow a number of rivers from both sides; consequently, a salinity gradient exists from north to south. In the south the water is the normal brackish water of the Baltic Sea, but in the north, in the Bothnian Bay, the salinity is very low. Being nearly fresh, the gulf is frozen over five months every year.

Ice in Gulf of Bothnia, Sweden and Finland

64.9N 22.3E

April 7th, 2011 Category: Snapshots

Norway - March 30th, 2011

The Gulf of Bothnia, the northernmost arm of the Baltic Sea, is partially covered in ice in this early spring image. The gulf is situated between Finland’s west coast and Sweden’s east coast.

Most of the ice is present in the Bay of Bothnia, the northernmost part of the Gulf of Bothnia. The maximum depth of the bay is 482 ft. The bay has the highest rate of rising of land by post-glacial rebound in the Baltic Sea.

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