Jacob Bjerknes

Jacob Bjerknes

Jacob Aall Bonnevie Bjerknes (November 2, 1897, Stockholm, Sweden – July 7, 1975, Los Angeles, California) was a Norwegian-American meteorologist. His father was the Norwegian meteorologist Vilhelm Bjerknes (1862–1951), one of the pioneers of modern weather forecasting, and his maternal grandfather was Jacob Aall Bonnevie, whence his name.

He was part of a group of meteorologists led by Vilhelm Bjerknes developed the model that explains the generation, intensification and ultimate decay (the life cycle) of midlatitude cyclones, introducing the idea of fronts, that is, sharply defined boundaries between air masses. This concept is known as the Norwegian cyclone model.

Bjerknes was a support meteorologist when Roald Amundsen made the first crossing of the Arctic in the airship Norge in 1926.

External links

* [http://www.agu.org/inside/awards/bjerknes.html Biography at American Geophysical Union (AGU)]
* [http://www.nap.edu/readingroom/books/biomems/jbjerknes.html Biographie de Jacob Bjerknes] by Arnt Eliassen


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  • Jacob Bjerknes — Pour les articles homonymes, voir Bjerknes. Jacob Aall Bonnevie Bjerknes Naissance 2 novembre 1897 Stockholm (Suède) Décès 7 juillet 1975 Los Angeles (États Unis) Nationalité Américaine …   Wikipédia en Français

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  • Bjerknes — ist der Familienname folgender Personen: Carl Anton Bjerknes (1825–1903), norwegischer Mathematiker und Physiker Jacob Bjerknes (1897–1975), norwegischer Meteorologe Kristian Bjerknes (1901–1981), norwegischer Architekt, Konservator und Autor… …   Deutsch Wikipedia

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  • Bjerknes, Jacob — Bjerknes , Jacob Aall Bonnevie …   Scientists

  • Jacob Aall Bonnevie — (1838 1904) was a Norwegian politician for the Conservative Party. He was Minister of Education and Church Affairs 1889 1891.He was the father of Kristine Bonnevie, a Norwegian biologist. Another daughter, Honoria, married the meteorologist… …   Wikipedia

  • BJERKNES J — NORWAY (see also List of Individuals) 2.11.1897 Stockholm/S 7.7.1975 Los Angeles/USA Jacob Aall Bonnevie Bjerknes was the nephew of Carl Anton (1825 1903) and the son of Vilhelm (1862 1951). Bjerknes made his studies at the Oslo University and… …   Hydraulicians in Europe 1800-2000

  • Bjerknes , Jacob Aall Bonnevie — (1897–1975) Norwegian meteorologist Bjerknes was the son of Vilhelm Bjerknes (1862–1951), a theoretical physicist who developed some of the first mathematical models of atmospheric and oceanic motions. Jacob followed the example of his father in… …   Scientists

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