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chap 11 vocab

TermDefinition
troposphere layer of the atmosphere closest to earths surface where most of the mass of the atmosphere is found and in which most weather takes place and air pollution collects
stratosphere layer of earths atmosphere that is located above the tropopause and is mad up primarily of concentrated ozone
mesosphere layer of earths atmosphere above the stratosphere
thermosphere layer of earths atmosphere that is located above the mesopause oxygen atoms absorb solar radiation causing the temperature to increase in this layer
exosphere outer most layer of earths atmosphere that is located above the thermosphere with no clear boundary at the top transitional region between earths atmosphere and outer space
radiation the transfer of thermal energy electromagnetic waves the transfer of thermal energy from the sun to earth by radiation
conduction the transfer of thermal energy between objects in contact by the collisions between the particles in the objects
convection the transfer of thermal energy by the movement of heated material from one place to another
temperature inversion increase in temperature with height in an atmospheric layer which inverts the temp altitude relationship and can worsen air pollution and season.
humidity amount of water vapor in the atmosphere at a given location on earths surface
saturation the point at which water molecules leaving the waters surface equals the rate of water molecules returning to the surface.
relative humidity ratio of water vapor contained in a specific volume of air compared with how much water vapor that amount of air actually can hold expressed as a percentage.
dew point temperature to which air is cooled at a constant pressure to reach saturation at which point condensation can occur
latent heat stored energy in water that is not released to warm the atmosphere until condensation takes place
condensation nucleus small particles in the atmosphere around which cloud droplets can form
orographic lifting cloud formation that occurs when warm moist air is forced to rise up the side of a mountain.
cumulus puffy lumpy looking clouds that usually occur below 2000 m.
stratus a layer sheetlike cloud that covers much or all of the sky in a given area.
cirrus high clouds made up of ice crystals that form at heights of 6000 m" often have a wispy indistinct appearance.
precipitation all solid and liquid forms of water including rain snow sleet and hail that fall from clouds
coalescence process that occurs when cloud droplets collide and form larger droplets which eventually become too heavy to remain aloft and can fall to earth as precipitation.
Created by: melissa2014
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