Een stukje eruit: "Despite this strong evidence for a warming planet, greenhouse gas forcing fails to explain the 2010 heat wave over western Russia. The natural process of atmospheric blocking, and the climate impacts induced by such blocking, are the principal cause for this heat wave. It is not known whether, or to what exent, greenhouse gas emissions may affect the frequency or intensity of blocking during summer. It is important to note that observations reveal no trend in a daily frequency of July blocking over the period since 1948, nor is there an appreciable trend in the absolute values of upper tropospheric summertime heights over western Russia for the period since 1900."
Dus als ik het goed begrijp, en ook de rest van het artikel lees, is de hittegolf niet direct in verband te brengen met global warming. Deze uitleg van de oorzaak van de hittegolf ben ik precies nog niet tegengekomen in de krant.
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