ИНЖЕНЕРНАЯ ГЕОЛОГИЯ. ГИДРОГЕОЛОГИЯ. ГЕОКРИОЛОГИЯ
Geoekologiya, 2019, Vol. 2, P. 87-101
D. A. Il'inskiy1,3*, A. A. Ginzburg2**, V. V. Voronin2, O. Yu. Ganzha1,3, A. B. Manukin4,***, K. A. Roginskiy1
1Shirshov Institute of Oceanology, Russian Academy of Sciences,
Nakhimovskii pr., 36, Moscow 117997 Russia
2Sergeev Institute of Environmental Geoscience, Russian Academy of Sciences,
Ulanskii per., 13, str. 2, Moscow, 101000 Russia
3Moscow Institute of Physics and Technology (State University),
Institutskii per., 9, Dolgoprudnyi, Moscow oblast, 141700 Russia
4Shmidt Institute of Physics of the Earth,
B. Gruzinskaya ul. 10, str. 1, Moscow, 123242 Russia
The paper presents the comparative characteristics of self-pop-up digital seabed seismometers that have been developed since the early 2000s. The requirements for the main technical characteristics that should be considered for developing the new-generation of self-pop-up seabed seismometers have been proposed. The microcontroller and reference frequency generator are the key parts for a seabed seismometer design. The paper provides the development results of these key components, which are essential for the seismometer performance (power consumption and functionality).
A draft proposal for seabed seismic exploration project in the Russian sector of the Black Sea solving the current actual geological problems is presented. Implementation of the project will contribute to determination of the crystalline basement depth within the Shatsky ridge and the Tuapse depression; detection of P and S wave velocities in the lower part of sedimentary cover and in the basement, and to the refinement of the Earth's crust thickness. The extension of regional seabed seismic lines from the Turkish to the Russian sector of the Black Sea will give the scientists a clearer picture of the Earth's crust structure over the whole east Black Sea basin. The results of seabed studies will verify and improve the results of the Black Sea 2011 towed-streamer survey (with 10 km streamer) on the sedimentary cover structure and the Earth's crust.
Keywords: self-pop-up digital seabed seismograph, period of autonomous work, accuracy of time in seabed seismograph.
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