Equatorial waves in some CMIP5 coupled models (with stratosphere)

François Lott (1) , Pauline Maury (1)

1 LMD - Laboratoire de Météorologie Dynamique (UMR 8539)

The Kelvin and the Rossby Gravity Waves (RGWs) packets that dominate the day to day variability in the low equatorial stratosphere (50hPa) are analyzed in 7 ESMs that participate to CMIP5 and that include a well resolved stratosphere. The results are compared to ERAI. Two models are also used to quantify better (i) the impact of the QBO on these waves (MPI-P and MPI-MR), and (ii) the impact of convection (IPSL-CM5A and CM5B).

Domaines: Océan, Atmosphère

François Lott, Pauline Maury. Equatorial waves in some CMIP5 coupled models (with stratosphere). Symposium OGOA, May 2013, Lyon, France. ⟨hal-00840938⟩