Articles | Volume 16, issue 11
Atmos. Chem. Phys., 16, 7335–7356, 2016
https://doi.org/10.5194/acp-16-7335-2016
Atmos. Chem. Phys., 16, 7335–7356, 2016
https://doi.org/10.5194/acp-16-7335-2016

Research article 13 Jun 2016

Research article | 13 Jun 2016

Tuning of a convective gravity wave source scheme based on HIRDLS observations

Quang Thai Trinh et al.

Data sets

tavg3_3d_cld_Cp: MERRA 3D IAU Diagnostic, Cloud Properties, Time average 3-hourly Global Modeling and Assimilation Office (GMAO) https://doi.org/10.5067/TW0W0RC88E9A

tavg3_3d_mst_Cp: MERRA 3D IAU Diagnostic, Moist Physics, Time average 3-hourly Global Modeling and Assimilation Office (GMAO) https://doi.org/10.5067/03WVRVVXCHZX

tavg3_3d_udt_Cp: MERRA 3D IAU Tendency, Wind Components, Time average 3-hourly Global Modeling and Assimilation Office (GMAO) https://doi.org/10.5067/BVOFEHG7TR07

tavg3_3d_tdt_Cp: MERRA 3D IAU Tendency, Temperature, Time average 3-hourly Global Modeling and Assimilation Office (GMAO) https://doi.org/10.5067/RP02UMM6LH1B

HIRDLS/Aura Level 2 Geophysical Parameters John Gille and Lesley J. Gray https://doi.org/10.5067/AURA/HIRDLS/DATA201

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Short summary
Convection is an important source of atmospheric gravity waves (GWs). In this work, scales of convective GWs seen by limb sounders were first defined based on observed spectral information. Interactions of these waves with the background were considered. Long-scale convective GWs addressed by this approach showed significant importance in driving the QBO. Zonal mean of GW momentum flux and its vertical gradients are in good agreement with respective observations provided by limb sounders.
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