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0213U006490,
0112U003456
,
Multi-parametric approach to the natural hazards emergence estimation
Burakhovych Tetiana, Доктор геологічних наук
17-09-2013
Institute of Geophysics by S.I.Subbotin name (Division of Geodynamics of Explosion).
The report presents the results of modern research geophysical parameters of the lithosphere seismic and aseismic regions on the basis of which found the principal regional and local features of the deep structure of the Ukrainian Shield and adjacent regions of southern Dobrudja and the Crimea. The main result of geoelectrical investigations in Ukraine (according to 3D modeling) is that in its interior there is a high electrical conductivity, which is concentrated in some places the lithosphere and forms zones of varying intensity and depth. The relationship between electrical conductivity anomalies in the Earth's crust and upper mantle and cells of the seismic events was established. The development of ideas about the seismic process and the formation of a seismic source are impossible without knowledge of the structure of high-velocity mantle. Using the ISC bulletin data about P-waves first arrival times on European stations, velocity model under the territory of Ukraine was defined more exactly. As a result, a three-dimensional model of the mantle, consistent both seismic and geoelectric parameters for, and possible disruption zones along which energy propagation takes place that leads to triggering of an earthquakes was received. The development of the experimental model of the magnetotelluric (MT) station was made. This MT station is specially designed for the realization of super-deep sounding of the Earth's crust. The laboratory tests carried out with MT station model confirmed the possibility to register with enough high reliability the electric and magnetic fluctuations with the periods up to 100.000 second. This gives hope to reach the upper mantle depth in future experimental field works.
Корепанов Володимир Євгенійович
Кушнір Антон Миколайович
Легостаєва Ольга Вадимівна
Пристай Андрій Миколайович
Старостенко Віталій Іванович
Цвєткова Тетяна Олексіївна
Шумлянська Людмила Олексіївна
2020-04-02
Updated: 2025-12-18
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