GEOG220 Lecture Notes - Lecture 12: Longwave
21 Mar 2017
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Document Summary
Green house effect: the insulating effect of certain atmospheric gases is often referred to as the good atmosphere, water vapor and co2 = good greenhouse gases. Reflection, scattering, and albedo: part of the incoming solar radiation is reflected or scattered by the earth/ atmosphere, radiation is reflected away based on the angle of incidence. Abedo: the ratio of the amount of energy reflected by a surface to the amount that is incident on the surface (aka the amount that hits the surface) Wet earth (plowed field) 10% reflection: white shiny surface reflects surfaces very well. Scattering: radiation that hits a surface or particle in all directions, why is the sky blue and sunsets/sunrise red, our atmosphere scatters blue light (shortwave visible light) better than other wavelengths , **textbook blue light diagram** Net radiation = srwd + lwrd swru lwru. Swru is the solar radiation reflected by the earth"s surface. Lwru is the lwr leaving the earth"s surface.
