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30 Cards in this Set

  • Front
  • Back
electromagnetic radiation
The form of energy given off by the Sun
radiant energy
Another term for the form of energy given off by the Sun
electromagnetic spectrum
Comprised of all wavelengths of electromagnetic radiation
visible light
Wavelengths of radiation to which the human eye is sensitive
ultraviolet (UV) radiation
Wavelengths of radiation just shorter than the human eye can sense
infrared (IR) radiation
Wavelengths of radiation just longer than the human eye can sense (Ranges from short near infrared wavelengths emitted by the Sun, to much longer thermal infrared wavelengths emitted by Earth)
thermal infrared
Longer wavelength infrared radiation emitted by Earth
shortwave radiation
Consists of visible light, ultraviolet radiation and short infrared radiation
terrestrial radiation
Radiation emitted by Earth
longwave radiation
Lies entirely in the thermal infrared portion of the spectrum
INcoming SOLar radiATION
radiation (or emission)
The process by which electromagnetic energy is emitted from an object
(blackbody radiator)
A body that emits the maximum possible amount of radiation at all wavelengths
The process by which electromagnetic waves striking an object are assimilated by that object
The ability of an object to repel electromagnetic waves without altering either the object or the waves
A type of reflection where gas molecules and particulate matter in the air can deflect light waves and redirect them
The process whereby electromagnetic waves pass through a medium
greenhouse effect (or "atmospheric affect")
The retention of heat in the lower troposphere because of differential transmissivity for the shortwaves and longwaves
greenhouse gases
A number of gases in the atmosphere that readily transmit incoming shortwave radiation from the Sun but do not easily transmit outgoing longwave terrestrial radiation (primarily water vapor and carbon dioxide)
The movement of heat energy from one molecule to another without changes to their relative positions
The process by which heath is transferred from one point to another by the predominately vertical circulation of a fluid such as air of water
convection cell
A convective circulation system
When the dominant direction of heat transfer in a moving fluid is horizontal
"Without the gain of loss of heat"
adiabatic cooling
Cooling by expansion
adiabatic warming
Warming by compression
latent heat
Latent: "lying hidden"
The phase change in which liquid water is converted to gaseous water vapor (A cooling process - storing latent heat energy)
The phase change in which gaseous water vapor is converted to liquid water (A warming process - releasing latent heat energy)
The reflectivity of an object; the higher the albedo value, the more radiation the object reflects