Articles | Volume 8, issue 3
https://doi.org/10.5194/esd-8-865-2017
https://doi.org/10.5194/esd-8-865-2017
Research article
 | 
26 Sep 2017
Research article |  | 26 Sep 2017

Climatology of Lyapunov exponents: the link between atmospheric rivers and large-scale mixing variability

Daniel Garaboa-Paz, Jorge Eiras-Barca, and Vicente Pérez-Muñuzuri

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Short summary
For the first time, a climatology of Lyapunov exponents (FTLE) for the period 1979–2014 has been established. This climatology is able to reproduce the main large-scale structures observed in the troposphere. The mean FTLE has been shown to correlate with the baroclinic Eady growth rate within timescales of a few days. As a case study, the contribution of atmospheric rivers to this climatology and their contribution to rainfalls over the Sahara and UK regions have been studied.
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