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- Title
ESD Ideas: A 6-year oscillation in the whole Earth system?
- Authors
Cazenave, Anny; Pfeffer, Julia; Mandea, Mioara; Dehant, Veronique
- 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 hydrology, land ice, and atmospheric angular momentum). Here, we suggest that the 6-year oscillations detected in the Earth's deep interior, rotation, and climate are linked together and that the core processes previously proposed as drivers of the 6-year cycle in the Earth's rotation additionally cause the atmosphere to oscillate together with the mantle, inducing fluctuations in the climate system with similar periodicities.
- Subjects
FREE earth oscillations; EARTH'S core; INTERNAL structure of the Earth; ROTATION of the earth; ANGULAR momentum (Mechanics); SEA level
- Publication
Earth System Dynamics, 2023, Vol 14, Issue 4, p733
- ISSN
2190-4979
- Publication type
Article
- DOI
10.5194/esd-14-733-2023