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Pg class12-temperature, emr, insolation
 

Pg class12-temperature, emr, insolation

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    Pg class12-temperature, emr, insolation Pg class12-temperature, emr, insolation Presentation Transcript

    • Class 12 Temperature, EMR, Insolation
    •  Matter = “Stuff”  All matter is made of atoms  Atoms combine to form molecules  Energy acts upon, and changes matter
    •  “Energy is neither created nor destroyed”  It just changes form  Kinetic Energy is a form of energy.  Kinetic Energy = movement energy = temperature
    •  The average kinetic energy of the molecules of the substance
    •  Incoming Solar Radiation  Constant at top of atmosphere (when averaged annually)  ~1400 watts/m2
    •  Latent Heat  Sensible Heat
    • On Temperature
    • Water has a moderating effect on temperature!
    • Portland, Oregon
    •  USGS
    •  Carbon Dioxide  Methane  Water Vapor
    • Depends upon  % of cloud cover  Cloud type  Cloud height  Thickness (water content + density)
    • Examine:  Incoming shortwave radiation  Vs.  Outgoing longwave radiation