Climate dynamics of a hard snowball Earth

  title={Climate dynamics of a hard snowball Earth},
  author={Raymond T Pierrehumbert},
[1] The problem of deglaciating a globally ice-covered (‘‘hard snowball’’) Earth is examined using a series of general circulation model simulations. The aim is to determine the amount of CO2 that must be accumulated in the atmosphere in order to trigger deglaciation. Prior treatments of this problem have been limited to energy balance models, which are incapable of treating certain crucial physical processes that turn out to strongly affect the conditions under which deglaciation can occur… CONTINUE READING
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