Global mantle flow retrodictions for the early Cenozoic using an adjoint method: evolving dynamic topographies, deep mantle structures, flow trajectories and …

S Ghelichkhan, HP Bunge… - Geophysical Journal …, 2021 - academic.oup.com
SUMMARY During the Cenozoic, the Earth experienced multiple first-order geological
events that are likely mantle flow related. These include the termination of large-scale …

Geological evidence reveals a staircase pattern in Earth's rotational deceleration evolution

H Huang, C Ma, J Laskar, M Sinnesael… - Proceedings of the …, 2024 - pnas.org
The Earth's rotation has been decelerating throughout its history due to tidal dissipation, but
the variation of the rate of this deceleration through time has not been established. We …

A deep‐time dating tool for paleo‐applications utilizing obliquity and precession cycles: The role of dynamical ellipticity and tidal dissipation

RE Zeebe, LJ Lourens - Paleoceanography and …, 2022 - Wiley Online Library
Pre‐Pleistocene age models used in paleoceanography and paleoclimatology often rely on
the imprint of astronomically calculated cycles of eccentricity and other solar system …

Bayesian estimation of past astronomical frequencies, lunar distance, and length of day from sediment cycles

A Malinverno, SR Meyers - Geochemistry, Geophysics …, 2024 - Wiley Online Library
Astronomical cycles recorded in stratigraphic sequences offer a powerful data source to
estimate Earth's axial precession frequency k, as well as the frequency of rotation of the …

Automatic adjoint-based inversion schemes for geodynamics: reconstructing the evolution of Earth's mantle in space and time

S Ghelichkhan, A Gibson, DR Davies… - Geoscientific Model …, 2024 - gmd.copernicus.org
Reconstructing the thermo-chemical evolution of Earth's mantle and its diverse surface
manifestations is a widely recognised grand challenge for the geosciences. It requires the …

Constraints on Earth-Moon dynamical parameters from Eocene cyclostratigraphy

S Boulila, LA Hinnov - Global and Planetary Change, 2022 - Elsevier
The theoretical prediction of Earth-Moon dynamics in deep geologic time is hampered by
limited knowledge of Earth's past tidal dissipation and dynamical ellipticity. Cyclostratigraphy …

Constraining the Earth's dynamical ellipticity from ice age dynamics

M Farhat, J Laskar, G Boué - Journal of Geophysical Research …, 2022 - Wiley Online Library
The dynamical ellipticity of a planet expresses the departure of its mass distribution from
spherical symmetry. It enters as a parameter in the description of a planet's precession and …

Automatic adjoint-based inversion schemes for geodynamics: Reconstructing the evolution of Earth's mantle in space and time

S Ghelichkhan, A Gibson, DR Davies… - …, 2023 - egusphere.copernicus.org
Reconstructing the thermo-chemical evolution of Earth's mantle and its diverse surface
manifestations is a widely-recognised grand challenge for the geosciences. It requires the …

An overview and perspective of terrestrial planets' low-degree gravity field, rotation, and interior structure

X Changyi, W Yan, J Yan, W Yong - Reviews of Geophysics and …, 2024 - sjdz.org.cn
The low-degree gravity field and rotation parameters of terrestrial planets are functions of the
planet's interior structure, providing insights into their composition and evolution, which …

Dissipation in the Earth-Moon system

M Farhat - 2023 - theses.hal.science
The long-term dynamical evolution of the Earth-Moon system is revisited. We address three
distinct geophysical mechanisms pertaining to solid and fluid planetary mass redistributions …