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Chapter 4 APES

TermDefinition
atmospheric convection Global patterns of air movement that are initiated by the unequal heating of Earth.
Hadley cell A convection current in the atmosphere that cycles between the equator and 30 degrees North and 30 degrees South.
Ferrel Cell A convection current in the atmosphere that lies between Hadley cells and polar cells.
Coriolis Effect The deflection of an objects path due to the rotation of Earth.
Rain SHadow A region with dry conditions found on the leeward side of a mountain range as a result of humid winds from the ocean causing precipitation on the windward side.
Polar Cell A convection current in the atmosphere, formed by air that rises at 60 degrees North and 60 degrees South and sinks at poles 90 degrees North and 90 degrees South.
Climate The average weather that occurs in a given region over a long period of time.
Weather The short term conditions of the atmosphere in a local area, which include temperature, humidity, clouds, precipitation and wind speed.
Troposphere A layer of the atmosphere closest to the surface of Earth, extending up to approximately 16 km.
Stratosphere The layer of the atmosphere above the troposphere, extending roughly 16 to 50 km above the surface of Earth.
Angle of Sun rays to Earth Angle of sun rays are distorted, and solar energy is weaker when it has to pass through Earth's atmosphere on an angle.
Albedo The percentage of incoming sunlight reflected from a surface.
Earth's tilt Earth's tilt causes incoming sunlight to be weaker in the northern hemishpere where it has to pass through more atmosphere.
Upwelling The upward movement of ocean water toward the surface as a result of diverging currents.
Thermohaline Circulation An oceanic circulation pattern that drives the mixing of surface water and deep water.
ENSO El nino; A reversal of the wind and water currents in the South Pacific
Created by: fbenitez155
 

 



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