The influence of planetary-wave transience on horizontal air motions in the stratosphere

M. L. Salby

    Research output: Contribution to journalArticlepeer-review

    5 Citations (Scopus)

    Abstract

    The influence of large-scale transience on horizontal air motions and tracer distributions in the stratosphere is explored in equivalent barotropic calculations. Planetary waves are excited by steady and unsteady components of mechanical forcing that are assigned variances typical of variability in the stratosphere. Two classes of transience are considered. A monochromatic traveling wave, representative of discrete components such as the 5- and 16-day waves, is imposed as unsteady mechanical forcing. The system is also forced by a second-order stochastic process representative of broadband variability. The response to each of these forms of unsteady forcing is investigated in terms of the characteristic time scale of the transience. -from Author

    Original languageEnglish
    Pages (from-to)405-421
    Number of pages17
    JournalJournal of the Atmospheric Sciences
    Volume49
    Issue number5
    Publication statusPublished - 1992

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