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- Title
ESD Id eas: A 6-year oscillation in the whole Earth system?
- Authors
Cazenave, Anny; Pfeffer, Julia; Mandea, Mioara; Dehant, Véronique
- Abstract
An oscillation of about 6 years has been reported in Earth's fluid core motions, magnetic field, rotation, and crustal deformations. Recently, a 6-year cycle has also been detected in several climatic parameters (e.g., sea level, surface temperature, precipitation, land ice, land hydrology, and atmospheric angular momentum). Here we suggest that the 6-year oscillations detected in the Earth's deep interior, mantle rotation, and atmosphere are linked together, and that the core processes previously proposed as drivers of the 6-year cycle in the Earth's rotation, cause in addition the atmosphere to oscillate together with the mantle, inducing fluctuations in the climate system with similar periodicities.
- Subjects
FREE earth oscillations; ROTATION of the earth; EARTH'S core; INTERNAL structure of the Earth; ANGULAR momentum (Mechanics); HYDROLOGY
- Publication
Earth System Dynamics Discussions, 2023, p1
- ISSN
2190-4995
- Publication type
Article
- DOI
10.5194/egusphere-2023-312