Airmass Origins and Troposphere-to-Stratosphere Exchange Associated with Midlatitude Cyclo-genesis and Tropopause Folding Inferred from Be-7 Measurements

Kritz, M.A., S.W. Rosner, E.F. Danielsen, and H.B. Selkirk (1991), Airmass Origins and Troposphere-to-Stratosphere Exchange Associated with Midlatitude Cyclo-genesis and Tropopause Folding Inferred from Be-7 Measurements, J. Geophys. Res., 96, 17,405-17.