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Regularization of geodynamic problems using geological data

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Abstract

Examples of the regional modeling on the basis of the seismotomography data are considered. The formulations of regional problems are analyzed and their ill-posedness and uncertainty of the results due to artificial conditions imposed on the region boundaries are discussed. To improve the modeling it is proposed to preassign additional regularization conditions and to bring the lower computation-domain boundary into coincidence with the interface between the upper and lower mantles. A new technique of regularizing solutions based on the use of geological data is proposed. The results of the calculations of the Mesozoic geodynamics of the Arctic region in which the positions of the subduction zones and the Arctic plume are preassigned are presented.

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Authors and Affiliations

  1. Faculty of Mechanics and Mathematics, Moscow State University, Leninskiye Gory 1, Main Building, GSP-1, Moscow, 119991, Russia

    V. D. Kotelkin

  2. Shirshov Institute of Oceanology, Russian Academy of Sciences, Nakhimovskii pr. 36, Moscow, 117997, Russia

    L. I. Lobkovskii

Authors
  1. V. D. Kotelkin
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  2. L. I. Lobkovskii
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Correspondence to V. D. Kotelkin.

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Original Russian Text © V.D. Kotelkin, L.I. Lobkovskii, 2014, published in Izvestiya Rossiiskoi Akademii Nauk, Mekhanika Zhidkosti i Gaza, 2014, Vol. 49, No. 3, pp. 15–25.

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Kotelkin, V.D., Lobkovskii, L.I. Regularization of geodynamic problems using geological data. Fluid Dyn 49, 310–319 (2014). https://doi.org/10.1134/S0015462814030028

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