Earth System Dynamics
Earth System Dynamics
ESD
Articles | Volume 14, issue 4
Articles | Volume 14, issue 4
https://doi.org/10.5194/esd-14-733-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Special issue:
https://doi.org/10.5194/esd-14-733-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 14, issue 4
ESD Ideas
 | 
04 Aug 2023
ESD Ideas |  | 04 Aug 2023

ESD Ideas: A 6-year oscillation in the whole Earth system?

Anny Cazenave, Julia Pfeffer, Mioara Mandea, and Veronique Dehant

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Short summary
While a 6-year oscillation has been reported for some time in the motions of the fluid outer core of the Earth, in the magnetic field and in the Earth rotation, novel results indicate that the climate system also oscillates at this 6-year frequency. This strongly suggests the existence of coupling mechanisms affecting the Earth system as a whole, from the deep Earth interior to the surface fluid envelopes.
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