quarta-feira, 21 de setembro de 2011

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WUWT: New peer reviewed paper: clouds have large negative cooling effect on Earth’s radiation budget
[N]ow we have three peer reviewed papers (Lindzen and Choi, Spencer and Braswell, and now Richard P. Allan) based on observations that show a net negative feedback for clouds, and a strong one at that.
The key paragraph from the new paper:
…the cloud radiative cooling effect through reflection of short wave radiation is found to dominate over the long wave heating effect, resulting in a net cooling of the climate system of −21 Wm−2.

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