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30 November 2017 The influence of orographic waves and quasi-biennial oscillations on vertical ozone flux in the model of general atmospheric circulation
Nikolai M. Gavrilov, Andrey V. Koval, Alexander I. Pogoreltsev, Elena N. Savenkova
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Proceedings Volume 10466, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 1046651 (2017) https://doi.org/10.1117/12.2284689
Event: XXIII International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2017, Irkutsk, Russian Federation
Abstract
A parameterization of the dynamical and thermal effects of orographic gravity waves (OGWs) and assimilation quasibiennial oscillations (QBOs) of the zonal wind in the equatorial lower atmosphere are implemented into the numerical model of the general circulation of the middle and upper atmosphere MUAM. The sensitivity of vertical ozone fluxes to the effects of stationary OGWs at different QBO phases at altitudes up to 100 km for January is investigated. The simulated changes in vertical velocities produce respective changes in vertical ozone fluxes caused by the effects of the OGW parameterization and the transition from the easterly to the westerly QBO phase. These changes can reach 40 - 60% in the Northern Hemisphere at altitudes of the middle atmosphere.
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Nikolai M. Gavrilov, Andrey V. Koval, Alexander I. Pogoreltsev, and Elena N. Savenkova "The influence of orographic waves and quasi-biennial oscillations on vertical ozone flux in the model of general atmospheric circulation", Proc. SPIE 10466, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1046651 (30 November 2017); https://doi.org/10.1117/12.2284689
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KEYWORDS
Atmospheric modeling
Ozone
Numerical simulations
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