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29 Cards in this Set

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Percent of solar radiation reflected by a surface.
Albedo
Ratio of the force of the air to the area of the surface on which it presses.
Atmospheric Pressure
Instrument that measures atmospheric pressure.
Barometer
General weather conditions over many years.
Climate
Type of energy transfer in which vibrating molecules pass heat along to other vibrating molecules by direct contact.
Conduction
Looping pattern of flowing air.
Convection Cell
Narrow zone of low air pressure at the equator characterized by weak and undependable winds.
Doldrums
Complete range of wavelengths of radiation.
Electromagnetic Spectrum
Layer of the atmosphere above the ionosphere that merges with interplanetary space.
Exosphere
Process by which the atmosphere traps infrarred rays over the Earth's surface.
Greenhouse Effect
Sub-tropical high-pressure belt of air, around 30 degrees latitude.
Horse Latitudes
Lower region of the thermosphere, at an altitude of 80 to 550 km.
Ionosphere
Bands of high-speed, high-altitude westerly winds.
Jet Streams
Upper boundary of the Mesosphere, marked by an increase in temperature.
Mesopause
Coldest layer of the atmosphere that extends upward from the stratosphere to an altitude of about 80 km.
Mesosphere
Process in which nitrogen moves from the air to the soil to animals and back to the air.
Nitrogen Cycle
Form of atmospheric oxygen that has three atoms per molecule.
Ozone
Weak global winds located north of 65 degrees south latitude that flow away from the poles.
Polar Easterlies
The atmospheric pressure measured at sea level; 760 mm of mercury.
Standard Atmospheric Pressure
High-temperature zone that marks the upper boundary of the stratosphere.
Stratopause
Layer of the atmosphere that extends uward from the troposphere to an altitude of 50 km; contains most atmospheric ozone.
Stratosphere
Belt of low air pressure at about 60 degrees north and 60 degrees south latitude.
Subpolar Low
Atmospheric condition in which warm air traps cooler air near the Earth's surface.
Temperature Inversion
The atmospheric layer above the Mesosphere.
Thermosphere
Global winds flowing toward the equator between 30 degrees and 0 degrees latitude.
Trade Winds
Upper boundary of the Troposphere in which the temperature remains almost constant.
Tropopause
Atmospheric layer closest to the Earth's surface where nearly all weather occurs.
Troposphere
General condition of the atmosphere at a particular time and place.
Weather
Global winds located between 40 degrees and 60 degrees latitude that flow from the southwest in the Northern Hemisphere and from the Northwest in the Southern Hemisphere.
Westerlies