Numerical Simulation of Large-Scale Core-Mantle Boundary Topography Relief Caused by Instantaneous Mantle Flow
Abstract Using two recently S-wave tomography models, SEMUCB_WM1 and S40RTS, we make numerical simulations of the instantaneous mantle convection in the three-dimensional spherical coordinate system, yielding global large-scale core-mantle boundary (CMB) topography relief with an amplitude of approximately -5~5 km, with a distribution mainly characterized by the uplifts of the core-mantle boundary under the Pacific and south Africa and depressions around those areas.
Key words :
core-mantle boundary relief
instantaneous mantle convection
mantle viscosity
numerical simulation
Cite this article:
CUI Ronghua,FANG Jian,CHEN Ming. Numerical Simulation of Large-Scale Core-Mantle Boundary Topography Relief Caused by Instantaneous Mantle Flow
[J]. jgg, 2020, 40(3): 281-286.
CUI Ronghua,FANG Jian,CHEN Ming. Numerical Simulation of Large-Scale Core-Mantle Boundary Topography Relief Caused by Instantaneous Mantle Flow
[J]. jgg, 2020, 40(3): 281-286.
URL:
http://www.jgg09.com/EN/ OR http://www.jgg09.com/EN/Y2020/V40/I3/281
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