Meteorology:Buys Ballot’s law
C.H.D. Buys Ballot
Published: March 30, 2010, 12:00 am
Updated: December 15, 2011, 4:46 pm
This article has been reviewed by the following Topic Editor:
C Michael Hogan
Buys Ballot’s law is a synoptic meteorology rule stating that if, in the northern hemisphere, an observer stands with his back to the wind, pressure is lower on his left hand than on his right, while in the southern hemisphere the converse is true. This was enunciated by Buys Ballot of Utrecht in 1857 and is basically a restatement of the fact that winds blow clockwise around a depression in the northern hemisphere and anticlockwise in the southern hemisphere. This law is an atmospheric corollary of the principle of the Coriolis force.
Further Reading
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M. Buys-Ballot. 1857. Note sur le rapport de l'intensité et de la direction du vent avec les écarts simultanés du baromètre, Académie des sciences (France). Comptes rendus hebdomadaires, TOME XLV
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Citation
Steve Baum (Lead Author);C Michael Hogan (Topic Editor) "Buys Ballot’s law". In: Encyclopedia of Earth. Eds. Cutler J. Cleveland (Washington, D.C.: Environmental Information Coalition, National Council for Science and the Environment). [First published in the Encyclopedia of Earth March 30, 2010; Last revised Date December 15, 2011; Retrieved May 19, 2013 <http://www.eoearth.org/article/Buys_Ballot%E2%80%99s_law?topic=49537>
The Author
Assistant Research Scientist, Physical Section
Department of Oceanography
Texas A&M University ... (Full Bio)
Buys Ballot’s law is a synoptic meteorology rule stating that if, in the northern hemisphere, an observer stands with his back to the wind, pressure is lower on his left hand than on his right, while in the southern hemisphere the converse is true. This was enunciated by Buys Ballot of Utrecht in 1857 and is basically a restatement of the fact that winds blow clockwise around a depression in the northern hemisphere and anticlockwise in the southern hemisphere. This law is an atmospheric corollary of the principle of the Coriolis force.
Further Reading
-
M. Buys-Ballot. 1857. Note sur le rapport de l'intensité et de la direction du vent avec les écarts simultanés du baromètre, Académie des sciences (France). Comptes rendus hebdomadaires, TOME XLV
-
Physical Oceanography Index
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