Results 101 to 110 of about 270,968 (216)

Earth and Mars Interior Structures Set by Remelting of the First Solid Mantle

The Astrophysical Journal Letters
Magma-ocean crystallization sets up the early structure and long-term evolution of terrestrial planets. Recent seismic evidence signals the presence of a silicate layer at the base of Mars’s mantle. Magma-ocean crystallization and subsequent overturn has
Antonio Manjón-Cabeza Córdoba, Maxim D. Ballmer, Oliver Shorttle   +2 more
doaj   +1 more source

Evolution of the continental upper mantle : numerical modelling of thermo-chemical convection including partial melting [PDF]

, 1999
This thesis elaborates on the evolution of the continental upper mantle based on numerical modelling results. The descriptive and explanatory basis is formed by a numerical thermo-chemical convection model.
Mantle dynamics & theoretical geophysics, de Smet, J.H., IVAU: Instituut voor Aardwetenschappen Utrecht, Smet, J.H. de   +3 more
core   +1 more source

Convection in fluid and porous media [PDF]

, 2003
The subject of convection in fluid and porous media is investigated. Particular attention is paid to penetrative convection. The first two chapters are devoted to penetrative convection when fluid overlies and saturates a porous medium.
Carr, Magda
core  

Thermal, Elastic and Seismic Signature of High-Resolution Mantle Circulation Models [PDF]

, 2009
A long-standing question in the study of Earth’s deep interior is the origin of seismic mantle heterogeneity. The challenge is to efficiently mine the wealth of information available in complex seismic waveforms and to separate the potential ...
Schuberth, Bernhard
core   +1 more source

Long-range slab interaction controls trench advance in double-subduction systems

Frontiers in Earth Science
Subduction is a fundamental process that drives plate tectonics. The dynamics of subducting slabs strongly influence trench migration, mantle flow, and the thermal and compositional structure of the mantle.
Haoyuan Li, Magali I. Billen
doaj   +1 more source

Energy balance of mantle convection

, 1968
A calculation of the thermodynamic efficiency of a convecting upper mantle with finite strength is extended to the lower mantle by appealing to the non-equilibrium ellipticity for a value of strength.
Stacey, F. D.
core   +1 more source

Accelerating the Discovery of Steady‐States of Planetary Interior Dynamics With Machine Learning

Journal of Geophysical Research: Machine Learning and Computation
Simulating mantle convection often requires reaching a computationally expensive steady‐state, crucial for deriving scaling laws for thermal and dynamical flow properties and benchmarking numerical solutions.
Siddhant Agarwal, Nicola Tosi, Christian Hüttig, David S. Greenberg, Ali Can Bekar   +4 more
doaj   +1 more source

Constraints on thermo-chemical convection from numerical modelling and geophysical data. Geologica Ultraectina (298) [PDF]

, 2008
In modern geoscience, mounting evidence in support of large-scale lateral variations in the composition of Earth's deep mantle has fueled the debate on the structure and evolution of mantle convection.
Kwantitatieve seismologie: naar een nieuw begrip van het diepe binnenste van de aarde, Mantle dynamics & theoretical geophysics, Numerical modelling of mantle dynamics with non-linear rheology, van Summeren, J.R.G., Origin and long-term stability of compositional layering in the deep lower mantle   +4 more
core   +1 more source

Polar Motion Dynamics on Slow‐Rotating Venus: Signatures of Mantle Flow

AGU Advances
With its 1 day lasting 243 days on Earth, Venus is the slowest‐spinning planet in the Solar System and its rotational bulge is anomalously small. A rotational bulge stabilizes the orientation of planets. Having only a tiny stabilizer, the rotational pole
Vojtěch Patočka, Julia Maia, Ana‐Catalina Plesa   +2 more
doaj   +1 more source

Can mantle convection be self-regulated? [PDF]

Sci Adv, 2016
Korenaga J.
europepmc   +1 more source