Numerical simulation of the sensitivity of the mean meridional circulation in the middle atmosphere to the mountain waves during stratospheric warmings

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Numerical simulation of the sensitivity of the mean meridional circulation in the middle atmosphere to the mountain waves during stratospheric warmings. / Koval, Andrey ; Gavrilov, Nikolai ; Pogoreltsev, Alexander .

EGU General Assembly 2019. 2019. 2743 (Geophysical Research Abstracts; Vol. 21).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

BibTeX

@inproceedings{2d830fd88b3d4ba4b12d18bf310c3452,

title = "Numerical simulation of the sensitivity of the mean meridional circulation in the middle atmosphere to the mountain waves during stratospheric warmings",

abstract = "Dynamical interactions between tropospheric and stratospheric layers have recently received increasing attention. These interactions intensify during stratospheric warming (SW) events. In this study, numerical simulations have been performed to estimate the transformation of the mean meridional circulation in altitude range 0 – 100 km at different phases of simulated SW events in January-February including and excluding impact of mesoscale orographic gravity waves (OGWs). To achieve statistical significance an ensemble of 12 pairs of model runs with and without a parameterization of OGW effects has been performed using the numerical middle and upper atmosphere model (MUAM).",

author = "Andrey Koval and Nikolai Gavrilov and Alexander Pogoreltsev",

year = "2019",

language = "English",

series = "Geophysical Research Abstracts",

booktitle = "EGU General Assembly 2019",

note = "EGU General Assembly 2019 ; Conference date: 07-04-2019 Through 12-04-2019",

url = "https://meetingorganizer.copernicus.org/EGU2019/session/31918, https://egu2019.eu/about_and_support/general_information.html",

}

RIS

TY - GEN

T1 - Numerical simulation of the sensitivity of the mean meridional circulation in the middle atmosphere to the mountain waves during stratospheric warmings

AU - Koval, Andrey

AU - Gavrilov, Nikolai

AU - Pogoreltsev, Alexander

N1 - Conference code: 21

PY - 2019

Y1 - 2019

N2 - Dynamical interactions between tropospheric and stratospheric layers have recently received increasing attention. These interactions intensify during stratospheric warming (SW) events. In this study, numerical simulations have been performed to estimate the transformation of the mean meridional circulation in altitude range 0 – 100 km at different phases of simulated SW events in January-February including and excluding impact of mesoscale orographic gravity waves (OGWs). To achieve statistical significance an ensemble of 12 pairs of model runs with and without a parameterization of OGW effects has been performed using the numerical middle and upper atmosphere model (MUAM).

AB - Dynamical interactions between tropospheric and stratospheric layers have recently received increasing attention. These interactions intensify during stratospheric warming (SW) events. In this study, numerical simulations have been performed to estimate the transformation of the mean meridional circulation in altitude range 0 – 100 km at different phases of simulated SW events in January-February including and excluding impact of mesoscale orographic gravity waves (OGWs). To achieve statistical significance an ensemble of 12 pairs of model runs with and without a parameterization of OGW effects has been performed using the numerical middle and upper atmosphere model (MUAM).

UR - https://meetingorganizer.copernicus.org/EGU2019/EGU2019-2743.pdf

M3 - Conference contribution

T3 - Geophysical Research Abstracts

BT - EGU General Assembly 2019

T2 - EGU General Assembly 2019

Y2 - 7 April 2019 through 12 April 2019

ER -

ID: 51042067