ESS220
Prof. Jin-Yi Yu
Vertical Distribution of Energy
energy
Incoming solar energy (100)
§ 70%  absorbed
   50%   by Earth’s surface
   20%   by atmosphere
             3%  in stratosphere
                    (by ozone and O2)
             17% in troposphere
              (water vapor  & cloud)
§ 30%  reflected/scattered back
   20%   by clouds
     6%   by the atmosphere
     4%   by surface
(from Global Physical Climatology)