# name
The impact of radiative forcing on the equatorial stratospheric circulation

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Màster de Meteorologia, Facultat de Física, Universitat de Barcelona, Curs: 2020-2021, Tutors: Froila Palmeiro Núñez, Javier García Serrano

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The aim of this work is to evaluate how the Quasi-Biennial Oscillation (QBO), which dominates interannual variability in the tropical stratosphere, responds to diﬀerent radiative forcings in the EC-EARTH climate model version 3.3. Two sets of simulations have been used, consisting in three atmosphere-only and three atmosphere-ocean coupled experiments, which are based on past, present and future conditions. The QBO inﬂuence on the extratropical circulation, formally known as the Holton-Tan eﬀect, has also been assessed during boreal winter (DJF). Results show a notorious shortening of the QBO period and a clear weakening of the QBO amplitude under a warming climate in the coupled simulations; which do not show a signiﬁcant impact on the Holton-Tan eﬀect in the polar vortex.

# metadata.dc.title[].value
The impact of radiative forcing on the equatorial stratospheric circulation