Vagn Walfrid Ekman

Vagn Walfrid Ekman

Infobox Scientist
name =Vagn Walfrid Ekman
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image_width =150px
caption =Vagn Walfrid Ekman
birth_date = May 3, 1874
birth_place = Stockholm
death_date = March 9, 1954
death_place = Gostad
residence =
citizenship =
nationality = Swedish
ethnicity =
field = oceanography
work_institutions =
alma_mater = University of Uppsala
doctoral_advisor =
doctoral_students =
known_for =
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influences = Vilhelm Bjerknes
influenced =
prizes =
religion =
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Vagn Walfrid Ekman (May 3, 1874 – March 9, 1954) was a Swedish oceanographer.

Born in Stockholm to Fredrik Laurentz Ekman, himself an oceanographer, he became committed to oceanography while studying physics at the University of Uppsala and, in particular, on hearing Vilhelm Bjerknes lecture on fluid dynamics.

During the expedition of the "Fram", Fridtjof Nansen had observed that icebergs tend to drift not in the direction of the prevailing wind but at an angle of 20°-40° to the right. Bjerknes invited Ekman, still a student, to investigate the problem and, in 1905, Ekman published his theory of the Ekman spiral which explains the phenomenon in terms of the balance between frictional effects in the ocean and the Coriolis force, which arises from planetary rotation.

On completing his doctorate in Uppsala in 1902, Ekman joined the International Laboratory for Oceanographic Research, Oslo where he worked for seven years, not only extending his theoretical work but also developing experimental techniques and instruments such as the Ekman current meter and Ekman water bottle.

From 1910 to 1939 he continued his theoretical and experimental work at the University of Lund, where he was professor of mechanics and mathematical physics. He was elected a member of the Royal Swedish Academy of Sciences in 1935.

A gifted amateur bass singer, pianist, and composer, he continued working right up to his death in Gostad, near Stockaryd, Sweden.

ee also

*Ekman spiral
*Ekman number
*Ekman pumping
*Ekman layer
*Ekman transport

References

*"Nordisk familjebok", Vol. 35 (Suppl., 1923), col. [http://runeberg.org/nfco/0263.html 490] (in Swedish)


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  • Vagn Walfrid Ekman — (* 3. Mai 1874 in Stockholm; † 9. März 1954 in Gostad nahe Stockaryd) war ein schwedischer Physiker und Ozeanograph. Leben Sein Vater Fredrik Laurentz Ekman war ebenfalls …   Deutsch Wikipedia

  • Vagn Walfrid Ekman — Naissance 31 mai 1874 Stockholm (Suède) Décès 9 mars 1954 Gostad (Suède) Nationalité …   Wikipédia en Français

  • Vagn Walfrid Ekman — noun Swedish oceanographer who recognized the role of the Coriolis effect on ocean currents (1874 1954) • Syn: ↑Ekman • Instance Hypernyms: ↑oceanographer …   Useful english dictionary

  • Ekman , Vagn Walfrid — (1874–1954) Swedish oceanographer Ekman, the son of an oceanographer, was born in the Swedish capital of Stockholm and educated at the University of Uppsala, graduating in 1902. He worked at the International Laboratory for Oceanographic Research …   Scientists

  • Ekman — can refer to *Carl Gustaf Ekman, (1872 – 1945) a Swedish politician *Erik Leonard Ekman, (1883 1931) a Swedish botanist *Gösta Ekman (junior), (1939 ) a Swedish actor *Gösta Ekman (senior), (1890 1938) a Swedish actor *Hasse Ekman, (1915 – 2004)… …   Wikipedia

  • Ekman — ist der Familienname folgender Personen: Carl Gustaf Ekman (1872–1945), schwedischer Politiker und Premierminister Erik Leonard Ekman (1883–1931), schwedischer Botaniker Eugen Ekman (* 1937), finnischer Kunstturner Gösta Ekman (1890–1938),… …   Deutsch Wikipedia

  • Ekman transport — Ekman transport, named for Vagn Walfrid Ekman, is the natural process by which wind causes movement of water near the ocean surface. Each layer of water in the ocean drags with it the layer beneath. Thus the movement of each layer of water is… …   Wikipedia

  • Ekman-Spirale — Darstellung der Ekman Spirale (Nordhalbkugel, vereinfacht). 1:Wind 2:durch den Wind bestimmte Strömungsrichtung 3:Tatsächliche Strömungsrichtung 4: Coriolis Effekt Die Korkenzieherströmung, auch Ekman Spirale (nach Vagn Walfrid Ekman), tritt… …   Deutsch Wikipedia

  • Ekman-Tiefe — Darstellung der Ekman Spirale (Nordhalbkugel, vereinfacht). 1:Wind 2:durch den Wind bestimmte Strömungsrichtung 3:Tatsächliche Strömungsrichtung 4: Coriolis Effekt Die Korkenzieherströmung, auch Ekman Spirale (nach Vagn Walfrid Ekman), tritt… …   Deutsch Wikipedia

  • Ekman Spirale — Darstellung der Ekman Spirale (Nordhalbkugel, vereinfacht). 1:Wind 2:durch den Wind bestimmte Strömungsrichtung 3:Tatsächliche Strömungsrichtung 4: Coriolis Effekt Die Korkenzieherströmung, auch Ekman Spirale (nach Vagn Walfrid Ekman), tritt… …   Deutsch Wikipedia

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