Hadley cell
noun Etymology: George Hadley died 1768 English scientific writer Date: 1955 a pattern of atmospheric circulation in which warm air rises near the equator, cools as it travels poleward at high altitude, sinks as cold air, and warms as it travels equatorward; also a similar atmospheric circulation pattern on another planet (as Mars)

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Hadley cell — [had′lē] n. 〚after George Hadley (1685 1768), Eng meteorologist〛 Meteorol. an atmospheric convection pattern in which a current of hot equatorial air rises, divides, cools as it moves toward the poles, descends, and warms as it returns to the… …   Universalium

  • Hadley cell — [had′lē] n. [after George Hadley (1685 1768), Eng meteorologist] Meteorol. an atmospheric convection pattern in which a current of hot equatorial air rises, divides, cools as it moves toward the poles, descends, and warms as it returns to the… …   English World dictionary

  • Hadley cell — The Hadley cell is a circulation pattern that dominates the tropical atmosphere, with rising motion near the equator, poleward flow 10 15 kilometers above the surface, descending motion in the subtropics, and equatorward flow near the surface.… …   Wikipedia

  • Hadley cell — Circulation atmosphérique Vue idéalisée des trois cellules ou zones de circulation atmosphérique La circulation atmosphérique est le mouvement à l échelle planétaire de la couche d air entourant la Terre qui redistribue la chaleur provenant du… …   Wikipédia en Français

  • hadley cell — noun Usage: usually capitalized H Etymology: after George Hadley died 1768 English scientific writer : a pattern of atmospheric circulation in which warm air rises near the equator, cools as it travels poleward at high altitude, sinks as cold air …   Useful english dictionary

  • Hadley Cell —   that portion of the tricellular model of air circulation where air rises at the equator due to convection, spreads in the upper troposphere and then sinks over the tropics before returning to the equator …   Geography glossary

  • Hadley — may refer to :People*Hadley Richardson, first wife of Ernest Hemingway, grandmother to Margaux and Mariel Hemingway *George Hadley, meteorologist, hence also: **Hadley cell **Hadley Centre for Climate Prediction and Research *Henry Hadley, US… …   Wikipedia

  • Hadley , George — (1685–1768) English meteorologist The younger brother of the inventor John Hadley, George Hadley was born in London and educated at Oxford University. Although called to the bar in 1709, he became more interested in physics and was made… …   Scientists

  • Hadley, George — ▪ British physicist and meteorologist born Feb. 12, 1685, London, Eng. died June 28, 1768, Flitton, Bedfordshire       English physicist and meteorologist who first formulated an accurate theory describing the trade winds and the associated… …   Universalium

  • George Hadley — (February 12,1685 ndash; June 28,1768) was an English lawyer and amateur meteorologist who proposed the atmospheric mechanism by which the Trade Winds are sustained. As a key factor in ensuring that European sailing vessels reached North American …   Wikipedia

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