Investigation of Convection in the Upper Mantle Connected Thermomechanically with the Subduction Zone and Its Geodynamic Application to the Arctic Region and North East Asia
Autor: | L. I. Lobkovskii, M. M. Ramazanov |
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Rok vydání: | 2021 |
Předmět: |
010302 applied physics
Fluid Flow and Transfer Processes Convection Subduction Convective heat transfer Mechanical Engineering Flow (psychology) General Physics and Astronomy Geophysics 01 natural sciences Mantle (geology) Physics::Geophysics 010305 fluids & plasmas Nonlinear system Algebraic equation Lithosphere 0103 physical sciences Geology |
Zdroj: | Fluid Dynamics. 56:433-444 |
ISSN: | 1573-8507 0015-4628 |
DOI: | 10.1134/s001546282103006x |
Popis: | The analytical solution to the problem of thermal convection in the upper mantle adjoined to the subduction zone is constructed. The results of seismotomographic mantle shooting are used in the formulation of problem. The corresponding nonlinear problem of mathematical physics can be integrated analytically and reduced to a significantly simpler system of nonlinear algebraic equations. The main aim of the present study is to justify mathematically a new regional model of evolution of the Arctic and North East Asia lithosphere [1–5]. In particular, the possibility of existence of the single -cell flow structure strongly stretched in the horizontal direction in the upper mantle is needed to test. |
Databáze: | OpenAIRE |
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