|
Sefströmbreen
Sefströmbreen is a glacier in James I Land at Spitsbergen, Svalbard. It is debouching into Ekmanfjorden at the northern side of Isfjorden. The glacier is named after Nils Gabriel Sefström. During a surge in 1896 the glacier deposited large moraine ridges in the inner part of the fjord, and these can be seen at the islands of Coraholmen and Flintholmen. Sefströmbreen is included in the Nordre Isfjorden National Park. See also *Sefströmkammen Sefströmkammen is a mountain ridge in Nordenskiöld Land at Spitsbergen, Svalbard. It has a length of about six kilometers, extending along Aurdalen from Søre Aurdalsbre, and comprises the peak of Hamretoppen and other peaks. The ridge is named a ... References Glaciers of Spitsbergen {{spitsbergen-glacier-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Nils Gabriel Sefström
Nils Gabriel Sefström (2 June 1787 – 30 November 1845) was a Swedish chemist and metallurgist. A protégé of Jöns Jakob Berzelius, he rediscovered the element vanadium in 1830 while investigating the brittleness of steel. Early life and education Sefström was born in the parish of Ilsbo in Hälsingland, the son of a Lutheran minister. After attending the local trivialskola in Hudiksvall and the gymnasium at Härnösand, he enrolled briefly at Uppsala University. In 1809 he moved to Stockholm, supporting himself as a private tutor while following Berzelius's public lectures. With his mentor's financial backing he completed a medical degree at the Karolinska Institute and served for a short time as an assistant physician at the Seraphim Hospital, but by 1817 he had turned decisively towards chemistry and metallurgy. Career and discovery of vanadium Sefström's first teaching posts were at the Royal Military College and the Royal Caroline Medico-Surgical Institut ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Coraholmen
Coraholmen is an island in Ekmanfjorden in James I Land at Spitsbergen, Svalbard, at the northern side of Isfjorden. It has a length of 3.3 kilometers, and a width of 1.8 kilometers. The island is named after the fossil species '' Productus cora'', which is common on the island. Part of the island is dominated by moraine ridges deposited by the glacier Sefströmbreen during a surge in 1896. Coraholmen is included in the Nordre Isfjorden National Park Nordre Isfjorden National Park () lies on Spitsbergen Island in the Svalbard archipelago, Norway. It lies across the Isfjorden north of Barentsburg. The park was opened in 2003. The park carries the name of the fjord Isfjorden, one of the larg .... References Islands of Svalbard Spitsbergen {{Spitsbergen-geo-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flintholmen
Flintholmen is a small island in Ekmanfjorden in James I Land at Spitsbergen, Svalbard, at the northern side of Isfjorden (Svalbard), Isfjorden. Associated with the islet is a wide shoal area with depths between zero and three meters, with an extension of about one nautical mile. Part of Flintholmen and the nearby island of Coraholmen are dominated by moraine ridges deposited by the glacier Sefströmbreen during a surge in 1896. Ekmanfjorden and its islands are included in the Nordre Isfjorden National Park. References Islands of Svalbard {{svalbard-geo-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |