The Dictionary of the Climate Debate (DCD)

Planck feedback
Definition: The mechanism believed to maintain the energy balance at the top of the atmosphere (TOA).

For example, a rise in surface temperature causes an increase in outgoing long-wave radiation. This increase in long wave radiation cools the atmosphere which in turn cools the surface.

1. Note that only approximately 10% of the radiation emitted at the surface of the Earth reaches the TOA and so the part played by this mechanism in achieving a balance at the TOA is exaggerated.

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