2023年1月1日 · 65 correlation features in the global correlogram are used as new observations to explore the Earth's outer core structure. The newly proposed outer core model provides an optimal representation of all the core-sensitive correlation features.

To remedy this problem, we explore the seismic structure of Earth's outer core by employing a new theoretical and observational concept termed coda correlation wavefield. We construct the global correlogram in the 15-50 sec period range by stacking cross-correlations of the long-duration coda waves from the selected ten large earthquakes.

To remedy this problem, we explore the seismic structure of Earth's outer core by employing a new theoretical and observational concept termed coda correlation wavefield. We construct the global correlogram in the 15–50 s period range by stacking cross-correlations of the long-duration coda waves from the selected ten large earthquakes.

2024年8月30日 · We propose a thermochemical origin for such a low-velocity torus, providing important constraints on the dynamical processes of the Earth’s outer core. The generation and maintenance of the Earth’s magnetic field are attributed to the vigorous fluid convection in the outer core (OC) via the geodynamo mechanism.

To remedy this problem, we explore the seismic structure of Earth's outer core by employing a new theoretical and observational concept termed coda correlation wavefield. We construct the global correlogram in the 15-50 sec period range by stacking cross-correlations of the long-duration coda waves from the selected ten large earthquakes.

2023年11月13日 · Here we perform high-temperature and -pressure laser-heated diamond-anvil cell experiments and report the formation of SiO 2 and FeH x from a reaction between water from hydrous minerals and Fe–Si...

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To remedy this problem, we explore the seismic structure of Earth's outer core by employing a relatively new observational and theoretical concept termed coda correlation wavefield, which was recently utilized to construct a new reference Earth model, CCREM.

2023年11月1日 · Here we study the compressional velocity structure in the Earth's outermost core based on waveform modeling of a unique untapped SKS and ScS dataset near bifurcation distances, collected from global seismic arrays for earthquakes occurring from 2000 to 2020.

2020年9月1日 · We presented a comprehensive review of theoretical and methodological developments of the coda-correlation as well as the applications to studying the Earth's deep structure. The main conclusions are as follows.