Episodes of cross-polar transport in the Arctic troposphere during July 2008 as seen from models, satellite, and aircraft observations.

Sodemann, H.; Pommier, M.; Arnold, S.R.; Monks, S.A.; Stebel, K.; Burkhart, J.F.; Hair, J.W.; Diskin, G.S.; Clerbaux, C.; Coheur, P.-F.; Hurtmans, D.; Schlager, H.; Blechschmidt, A.-M.; Kristjánsson, J.E.; Stohl, A.