Nov 222010
 

  The title of this post is inspired by the inaugural speech of Prof. Herman Russchenberg which was given last april 1st, 2009 (In de Schaduw van een wolk). Behind this title arise the question of how clouds act on climate by impacting the Earth radiation balance. This question is nowdays still strongly debated among the scientific community.

The picture below well illustrates the possible opacity of a cloud against solar radiations.

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