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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.

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@article{b8a8dd07d7044f0ba68b6df757872a56,
title = "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",
abstract = "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%.",
keywords = "atmospheric circulation, meridional circulation, numerical modeling, orographic gravity waves, planetary waves, quasi-biennial oscillation",
author = "Koval, {A. V.} and Gavrilov, {N. M.} and Pogoreltsev, {A. I.}",
year = "2019",
month = jul,
day = "1",
doi = "10.1134/S1990793119040092",
language = "English",
volume = "13",
pages = "674--680",
journal = "Russian Journal of Physical Chemistry B",
issn = "1990-7931",
publisher = "МАИК {"}Наука/Интерпериодика{"}",
number = "4",

}

RIS

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