Parameterization of Directional Absorption of Orographic Gravity Waves and Its Impact on the Atmospheric General Circulation Simulated by the Weather Research and Forecasting Model

In this work, a new parameterization scheme is developed to account for the directional absorption of orographic gravity waves (OGWs) using elliptical mountain-wave theory. The vertical momentum transport of OGWs is addressed separately for waves with different orientations through decomposition of...

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Veröffentlicht in:	Journal of the atmospheric sciences 2019-11, Vol.76 (11), p.3435-3453
Hauptverfasser:	Xu, Xin, Xue, Ming, Teixeira, Miguel A. C., Tang, Jianping, Wang, Yuan
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorption Adiabatic Atmosphere Atmospheric circulation Climate change Computer simulation Distribution General circulation Gravitational waves Gravity Gravity wave drag Gravity waves Latitude Lower troposphere Mathematical models Momentum Momentum flux Momentum transfer Momentum transport Mountains Orographic gravity waves Parameterization Propagation Residual circulation Stratosphere Stratospheric winds Troposphere Upper troposphere Vertical distribution Vertical momentum Wave amplitude Wave breaking Wave drag Weather forecasting Wind Winds Winter circulation
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