Research output: Contribution to journal › Article › peer-review
Sensitivity of Meridional Mean Circulation to the Impact of Orographic Waves at Different Phases of Quasi-Biennial Oscillations in a Numerical Model of the Middle Atmosphere. / Koval, A. V.; Gavrilov, N. M.; Pogoreltsev, A. I.
In: Russian Journal of Physical Chemistry B, Vol. 13, No. 4, 01.07.2019, p. 674-680.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - Sensitivity of Meridional Mean Circulation to the Impact of Orographic Waves at Different Phases of Quasi-Biennial Oscillations in a Numerical Model of the Middle Atmosphere
AU - Koval, A. V.
AU - Gavrilov, N. M.
AU - Pogoreltsev, A. I.
PY - 2019/7/1
Y1 - 2019/7/1
N2 - Abstract: A parameterization of dynamical and thermal effects of orographic gravity waves (OGWs) has been included into the numerical model of the general atmospheric circulation of the middle and upper atmosphere. The sensitivity of mean meridional circulation to the impact of stationary OGW during the years with different quasi-biennial oscillation (QBO) phases at altitudes up to 100 km in January has been studied. The respective changes in vertical mean ozone fluxes in the atmosphere have been observed. The account of stationary OGW effects leads to the changes up to 40% in the meridional velocity and the associated ozone fluxes in the stratosphere. In the winters with the easterly and westerly QBO phases, the differences between the maximum meridional velocities in the middle atmosphere at the middle and high latitudes of the northern hemisphere can reach 60%.
AB - Abstract: A parameterization of dynamical and thermal effects of orographic gravity waves (OGWs) has been included into the numerical model of the general atmospheric circulation of the middle and upper atmosphere. The sensitivity of mean meridional circulation to the impact of stationary OGW during the years with different quasi-biennial oscillation (QBO) phases at altitudes up to 100 km in January has been studied. The respective changes in vertical mean ozone fluxes in the atmosphere have been observed. The account of stationary OGW effects leads to the changes up to 40% in the meridional velocity and the associated ozone fluxes in the stratosphere. In the winters with the easterly and westerly QBO phases, the differences between the maximum meridional velocities in the middle atmosphere at the middle and high latitudes of the northern hemisphere can reach 60%.
KW - atmospheric circulation
KW - meridional circulation
KW - numerical modeling
KW - orographic gravity waves
KW - planetary waves
KW - quasi-biennial oscillation
UR - http://www.scopus.com/inward/record.url?scp=85073880983&partnerID=8YFLogxK
U2 - 10.1134/S1990793119040092
DO - 10.1134/S1990793119040092
M3 - Article
AN - SCOPUS:85073880983
VL - 13
SP - 674
EP - 680
JO - Russian Journal of Physical Chemistry B
JF - Russian Journal of Physical Chemistry B
SN - 1990-7931
IS - 4
ER -
ID: 51511722