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Unformatted text preview: 2-5-08WEATHER SYMBOLSIntermittent light rain one dot Continuous light rain two dots horizontal arrangementIntermittent moderate rain two dots vertical arrangementContinuous moderate rain 3 dots triangle arrangementIntermittent heavy rain 3 dots vertical alignmentContinuous heavy rain 4 dots diamond arrangementIntermittent light snow - * asteriskContinuous light snow - ** 2 asterisks horizontally alignedR symbol thunderstormCHAPTER 2 RADIATIONHEAT TRANSFER IN THE ATMOSPHEREConduction transfer of head from molecule to molecule within a substanceConvection transfer of heat by the mass movement of a fluidRadiation transfer of heat energy by the rapid oscillations of electromagnetic fields in spaceoshorter the wavelength, more energetic the waveRADIATION TERMS:Wiens Law oFind the constant of the object and divide by temp to find maximum wavelengthStefan-Boltzman LawoR~T^4Shortwave/Longwave RadiationVisible Spectrumo.4 - .7 are the only visible wavelengthsoless than .4 = ultraviolet raysogreater than .7 = infrared raysAbsorbers/ReflectorsoAll objects not only radiate energy, they absorb it as welloIf an object radiates more energy than it absorbs, it gets colderoIf an object absorbs more energy than it emits, it gets warmeroThe rate at which something radiates and absorbs energy depends strongly on its surface characteristics, such as :Color, texture, moisture, and temperature...
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- Spring '08