Articles | Volume 24, issue 2
Nonlin. Processes Geophys., 24, 167–178, 2017
https://doi.org/10.5194/npg-24-167-2017
Nonlin. Processes Geophys., 24, 167–178, 2017
https://doi.org/10.5194/npg-24-167-2017
Research article
20 Apr 2017
Research article | 20 Apr 2017

Dynamics of the Hadley circulation in an axisymmetric model undergoing stratification periodic forcing

Nazario Tartaglione

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Short summary
This paper aims to show how the tropical circulation responds to changes of the vertical stratification of the imposed temperature that drives the model. These changes mimic the presence of water vapor cycles. Thus, for simplicity's sake we impose a periodic change of this stratification with variable periods of 10–90 days. The model responds with quasi-periodic oscillations having two or more dominant frequencies. After a long forcing time period, chaotic behavior starts to appear cyclically.