Earth System Dynamics
Earth System Dynamics
ESD
Articles | Volume 14, issue 6
Articles | Volume 14, issue 6
https://doi.org/10.5194/esd-14-1125-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/esd-14-1125-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 14, issue 6
Research article
 | 
10 Nov 2023
Research article |  | 10 Nov 2023

Nonlinear time series analysis of coastal temperatures and El Niño–Southern Oscillation events in the eastern South Pacific

Berenice Rojo-Garibaldi, Manuel Contreras-López, Simone Giannerini, David Alberto Salas-de-León, Verónica Vázquez-Guerra, and Julyan H. E. Cartwright

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Short summary
Our study focuses on Chile, which is affected by the prevailing ocean currents, upwellings and El Niño; these generate the weather in Chile. That is why we conducted a study on the dynamics of this system using spectral and nonlinear analysis techniques. We obtained periodicities related to internal and external forcing; we find that the dynamics is not chaotic but nonlinear. Finally, the northern part presents a strong correlation between ONI and LLE due to regional characteristics.
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