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By Peter D. Ditlevsen. Peter D. Ditlevsen is a Professor at the Niels Bohr Institute, University of Copenhagen. As a theoretical physicist, he researches in the fields of turbulence, statistical physics, dynamical systems and climate dynamics.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.