Infograph: A warming Arctic

To understand the Arctic climate it is essential to monitor its changes over a long time. AWI scientists working at the German-French research station AWIPEV in Ny-Ålesund, Spitsbergen, launch weather balloons on a daily basis. The balloon-borne radiosonde measures air temperature, air pressure, humidity and wind up to 30 kilometres height. During ascent, the data are transmitted to the ground station every two seconds. Our most important result of these long-term observations since 1993: The winter seasons in Spitsbergen are getting warmer – throughout the whole atmospheric column from the ground up to 10 kilometres height.   

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