A study of the Arctic tropopause, with special emphasis on Northern Scandinavia – a. Ozone sonde and ECMWF data analysis.

Stebel, K.; Hall, C.; Hansen, G.; Karpetchko, A.; Kirkwood, S.; Kyrö, E.; Latteck, R.; Müller, M.; Nikulin, G.; Orsolini, Y.; Roettger, J.; Singer, W.