Evidence for a recurring eastern North America upper tropospheric ozone maximum during summer.

Cooper, O. R.; Trainer, M.; Thompson, A.M.; Oltmans, S.J.; Tarasick, D.W.; Witte, J.C.; Stohl, A.; Eckhardt, S.; Lelieveld, J.; Portmann, R.; Johnson, B.J.; Kalnajs, L.; Newchurch, M.J.; Dubey, M.K.; Meagher, J.; Leblanc, T.; McDermid, I.S.; Forbes, G.; Carey-Smith, T.; Wolfe, D.; Carey-Smith, T.; Wolfe, D.; Fehsenfeld, F.C.; Morris, G.A.; Lefer, B.; Rappenglück, B.; Keating, T.J.; Joseph, E.; Minschwaner, K.; Schmidlin, F.; Van Curen, R.A.