Abstract: Distributions of noctilucent cloud are studied in relation to the circulation of the lower atmosphere. The information available on water vapor abundance and on factors influencing it in the upper mesosphere is reviewed ...

Abstract: No abstract available.

Abstract: A steady-state mean meridional model of the stratosphere is used to investigate the effects of water vapor and nitrogen oxides on ozone and temperature distributions in the stratosphere. Chapman's classical photochemical ...

Abstract: Seasonal ozone profiles, representative of the autumn and winter-spring periods, are computed from 20 ascents, made using electro-chemical sensors in sondes, for Christchurch, New Zealand. The seasonal changes between the ...