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职业迁徙
个人简介
Together with a team of young researchers and students we develop practical algorithms for working with different observation schemes, mostly based on travel times of body seismic waves. These algorithms are used for various fundamental and applied problems on scales from first meters to thousands kilometers. The main common features of the tomographic algorithms are following:
1. Quasi-continuous parameterization. The velocity field is computed in nodes distributed within the study area according to the ray density. We always use node spacing which is significantly smaller than sizes of the expected anomalies. To reduce any effect of the grid to the result, we perform the inversions for several rotated grids and then stack the results.
2. Ray tracing. We have created our own code for ray tracing which is based on bending method. We have produced several modifications of the ray tracer algorithms, including 2D and 3D isotropic and anisotropic versions, tracers for reflected and head waves in a multilayered model etc.
3. Source location. In case of passive source schemes, we perform source location which is based on the algorithm of a goal function searching. The version we use is rather robust (does not depend on starting point for searching) and is relatively fast.
4. Synthetic testing. We have produced an efficient tool for generating 3D synthetic models of complex shape. In contrast to most of other codes, we model the full inversion procedure which includes initial locations of sources in a 1D model and optimization of the reference model.
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论文共 158 篇作者统计合作学者相似作者
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Elena Kitsura,Ivan Koulakov,Tarsilo Girona,Andrey Jakovlev,Ilyas Abkadyrov,Natalia Bushenkova,Danila Chebrov,Pavel Izbekov,Saleh Ismail Qaysi, Mamdouh S. Alajmi
JOURNAL OF VOLCANOLOGY AND GEOTHERMAL RESEARCH (2023): 107937-107937
Active Volcanos of the Worldpp.111-135, (2023)
FRONTIERS IN EARTH SCIENCE (2023)
Scientific Reportsno. 1 (2023): 1-16
Pablo Rey-Devesa,Carmen Benitez,Janire Prudencio,Ligdamis Gutierrez, Guillermo Cortes-Moreno,Manuel Titos,Ivan Koulakov,Luciano Zuccarello,Jesus M. Ibanez
JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTHno. 6 (2023)
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Nature communicationsno. 1 (2023): 969-969
JOURNAL OF VOLCANOLOGY AND GEOTHERMAL RESEARCH (2023): 107965-107965
Nadezhda Belovezhets, Yaroslav Berezhnev,Ivan Koulakov,Andrey Jakovlev,Sergei Abramenkov,Sergey Z. Smirnov,Ilyas Abkadyrov
JOURNAL OF VOLCANOLOGY AND GEOTHERMAL RESEARCH (2023): 107931-107931
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