Pollution transport from North America to Greenland during summer 2008 - Thomas, J. L.; Raut, J.-C.; Law, K. S.; Marelle, L.; Ancellet, G.; Ravetta, F.; Fast, J. D.; Pfister, G.; Emmons, L. K.; Diskin, G. S.; Weinheimer, A.; Roiger, A.; et al. (Atmos. Chem. Phys., 2013)