Can we explain the post-2015 absence of the Chandler wobble?

Abstract Recent polar motion data do not show a 6-year beat and indicate the absence of the Chandler wobble (CW), whereas we could observe the 6-year beat even in the 1920-40 s when the CW amplitude was known to be smallest. As a free mode, the CW needs excitation one or more sources that were debat...

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Bibliographic Details
Main Authors: Ryuji Yamaguchi, Masato Furuya
Format: Article
Language:English
Published: SpringerOpen 2024-01-01
Series:Earth, Planets and Space
Subjects:
Online Access:https://doi.org/10.1186/s40623-023-01944-y