Impact of a simple parameterization of convective gravity-wave drag in a stratosphere-troposphere general circulation model and its sensitivity to vertical resolution

@article{Bossuet1998ImpactOA,
  title={Impact of a simple parameterization of convective gravity-wave drag in a stratosphere-troposphere general circulation model and its sensitivity to vertical resolution},
  author={Christophe Bossuet and Michel D{\'e}qu{\'e} and Daniel Cariolle},
  journal={Annales Geophysicae},
  year={1998},
  volume={16},
  pages={238-249}
}
Systematic westerly biases in the southern hemisphere wintertime flow and easterly equatorial biases are experienced in the Météo-France climate model. These biases are found to be much reduced when a simple parameterization is introduced to take into account the vertical momentum transfer through the gravity waves excited by deep convection. These waves are quasi-stationary in the frame of reference moving with convection and they propagate vertically to higher levels in the atmosphere, where… CONTINUE READING

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