Ozonschicht über der Nordhalbkugel (Ende Mai 2012): Das Ozon wird bei Temperaturen unterhalb von minus 78 Grad an sogenannten polaren Stratosphärenwolken zersetzt. (Quelle: dpa/NASA)
Ozone layer over the northern hemisphere (the end of May 2012): The ozone is decomposed at temperatures below minus 78 degrees to the so-called polar stratospheric clouds. (Source: AP / NASA)
Google translation (Original German article below.):
– How The Ozone Hole Over The Arctic Disappared (Spiegel, May 31, 2012):
Good news from the Arctic: has startled the giant ozone hole, the researchers in the past year, has disappeared. Human conduct, however, was not in the game – the weather is responsible for the healing of the shield.
After the lunch break may not dawdle Rudolf Denkmann and his colleagues. Time every day to make one, the researchers of the German-French research station in Ny Alesund on AWIPEV Spitsbergen before a large red wooden hall to get their weather observation balloon. Even at temperatures around freezing trudges thinking man these days with the T-shirt through the snow.