Hadley, George
Published: January 26, 2009, 2:06 am
Updated: January 26, 2009, 2:06 am
This article has been reviewed by the following Topic Editor:
Peter Saundry
Hadley Cell Cross-Section
George Hadley (1685-1768), an English meteorologist who in 1736 provided the first complete explanation of global atmospheric circulation. Hadley was intrigued by the fact that winds that should have blown straight north had a pronounced westerly flow. He discovered that a rotating coordinate system should be used to describe the motions of the winds, and hence, that the Coriolis force was essential to account for. Hadley’s basic concept was that warm air rises in the vicinity of the equator, where the most heating from the sun occurs, and then moves away from the Earth’s surface in both hemispheres. The air then returns to the surface at about 30 degrees latitude, and returns to the equatorial region via winds near the surface called trade winds.
Further Reading
Air Circulation (Schools of the Pacific Rainfall and Climate Experiment)
Global Circulations (National Oceanic and Atmospheric Administration)
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Citation
Cutler J. Cleveland (Lead Author);Peter Saundry (Topic Editor) "Hadley, George". 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 January 26, 2009; Last revised Date January 26, 2009; Retrieved May 18, 2013 <http://www.eoearth.org/article/Hadley,_George>
The Author
Cutler J. Cleveland is Professor of Earth and Environment at Boston University, where he also is on the faculty of the Center for Energy and Environmental Studies. Professor Cleveland is Editor-in-Chief of the Encyclopedia of Energy (Elsevier, 2004), winner of an American Library Association award, the Dictionary of Energy (Elsevier, 2005), Handbook of Energy (Elsevier, forthcoming), and is the Founding Editor-in-Chief of the Encyclopedia of Earth. He is the recipient of the Adelma ... (Full Bio)
Hadley Cell Cross-Section
George Hadley (1685-1768), an English meteorologist who in 1736 provided the first complete explanation of global atmospheric circulation. Hadley was intrigued by the fact that winds that should have blown straight north had a pronounced westerly flow. He discovered that a rotating coordinate system should be used to describe the motions of the winds, and hence, that the Coriolis force was essential to account for. Hadley’s basic concept was that warm air rises in the vicinity of the equator, where the most heating from the sun occurs, and then moves away from the Earth’s surface in both hemispheres. The air then returns to the surface at about 30 degrees latitude, and returns to the equatorial region via winds near the surface called trade winds.
Further Reading
Air Circulation (Schools of the Pacific Rainfall and Climate Experiment)
Global Circulations (National Oceanic and Atmospheric Administration)
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