14 terms

Water Cycle and Atmospheric Conditions

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accumulation (or collection)
the process in which water pools in large bodies like oceans, seas and lakes
condensation
the process in which water vapor (a gas) in the air turns to liquid water; this process forms clouds in the sky
evaporation
the process in which liquid water becomes water vapor; the water comes from the surfaces of oceans and lakes, from the surface of the land, and from melts in snow fields
precipitation
the process in which water, in the form of rain, snow, sleet or hail, falls from the sky
runoff
water that flows across the land and enters rivers and streams, eventually flows into lakes and the ocean
transpiration
the process in which some water within plants evaporates into the atmosphere; water is first absorbed by the plan's roots, then later exits the plant by evaporating through pores in the plant
humidity
a measure of the amount of water vapor in the air
dew point
temperature at which air is saturated and condensation forms
barometric pressure
the pressure due to the weight of the atmosphere; also called air pressure or atmospheric pressure
visibility
degree of clearness of the atmosphere; the distance at which objects can be clearly seen
UV index
rates the amount of damaging radiation from the sun entering the Earth's atmosphere and reaching the surface at a given place and time.
air quality
the condition of the air based on the amount of pollution in it
temperature
the measure of how hot or cold something is
climate
an area's long-term weather patterns
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