Snow/Ice Albedo
 Feedback
 qThe snow/ice albedo
 feedback is associated with the
 higher albedo of ice and snow than all other
 surface covering.
qThis positive feedback has often been offered as one possible explanation for how the very different conditions of the ice ages could have been maintained.
 
  
  
  
  
  
 
 (from
 Earth’s Climate: Past and Future)
 
  
 