AGU Press Release | 30 June 2022
AGU opposes U.S. Supreme Court decision to erode emission regulations
AGU press office: Hope Garland, +1 (202) 777-7492, [email protected] WASHINGTON—As the world’s largest Earth and space science association, the American Geophysical Union (AGU)...
AGU Fall Meeting 2021 | 15 December 2021
Two-step nucleation of the Earth's inner core
Wentzcovitch + Feng Zhang + Kai Ming Ho ...
It has long been assumed the Earth’s solid inner core started to grow when molten iron cooled to its melting point. However, the nucleation mechanism, a necessary step of...
AGU Fall Meeting 2021 | 15 December 2021
Pause of inner-core differential rotation in recent decade
Song
Seismic observations provide compelling evidence for rapid temporal changes of the inner-core structure over years or decades, from high-quality repeating earthquakes. The...
AGU Fall Meeting 2021 | 15 December 2021
A Mechanically Strong Inner Core Implied by Deformation of Silicon-bearing Alloys
Brennan + Daniele Antonangeli + Guillaume Morard ...
Earth’s inner core displays strong seismic anisotropy, the major feature of which is faster wave propagation along paths parallel to Earth’s rotation axis1. This indicates...
AGU Fall Meeting 2021 | 15 December 2021
Exploring the dynamics of inward core solidification using analogue tank experiments.
Kathryn Dodds + James Bryson + Jerome Neufeld ...
Given their small sizes and low central pressures, the cores of asteroids are expected to have started crystallizing at the core mantle boundary (CMB) instead of at their...