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Grigory Dolgikh, Yuri Morgunov, Alexander Burenin, Vladimir Bezotvetnykh, Vladimir Luchin, Aleksandr Golov and Alexander Tagiltsev
The methodological and technical possibilities of monitoring temperature fields in the Sea of Japan by acoustic thermometry methods are presented. The proposed tomographic method for monitoring the dynamics and structure of water is based on the transmis...
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Grigory Dolgikh and Stanislav Dolgikh
In this paper, the authors analyze data obtained from a supersensitive detector of hydrosphere pressure variations which was positioned on the shelf of the Sea of Japan at a depth of 25 m for several months. When processing this data, the main attention ...
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Grigory Dolgikh and Stanislav Dolgikh
In the paper, we analyze laser strainmeter data for the period from 2014 to 2022 to identify deformation anomalies that led to the generation of tsunamis in the area of the Japanese Islands. It is impossible to determine the main characteristics of a tsu...
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Grigory Dolgikh, Stanislav Dolgikh and Vladimir Ovcharenko
The paper presents the results of processing recordings of abnormal signals, which originated during the eruption of Hunga Tonga-Hunga Ha?apai volcano, and were registered by a laser nanobarograph and two laser strainmeters; there were three meters of se...
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Vladimir Chupin, Grigory Dolgikh, Stanislav Dolgikh and Sergey Smirnov
To study the specific features of free surface oscillations in the northwestern part of Posyet Bay (the Sea of Japan), a series of experimental works using an installation with a laser meter for measuring hydrosphere pressure variations were carried out ...
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Grigory Ivanovich Dolgikh
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Grigory Dolgikh, Stanislav Dolgikh, Vladimir Chupin, Vladimir Ovcharenko, Vyacheslav Shvets and Sergey Yakovenko
In the paper, we discuss the results of processing and analysis of field data obtained from a laser-based supersensitive detector during the registering of hydrosphere pressure variations on the seabed at various points of the Sea of Japan shelf. The mai...
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Sergey Budrin, Grigory Dolgikh, Vladimir Chupin and Stanislav Dolgikh
In this paper, we analyzed the results of experimental data processing in the study of regularities of propagation and transformation of low-frequency harmonic signals at the boundary of the ?sea-land-sea? system. Harmonic signals at a carrier frequency ...
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Grigory I. Dolgikh, Olga S. Gromasheva, Stanislav G. Dolgikh and Alexander A. Plotnikov
This paper reviews the results of the processing of synchronized data on hydrosphere pressure variations and the Earth?s crust deformation in the microseismic range (5?15 s), obtained over the course of numerous experiments, using a coastal laser strainm...
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Grigory Dolgikh and Stanislav Dolgikh
Basing on the analysis of data on variations of deformations in the Earth?s crust, which were obtained with a laser strainmeter, we found that deformation anomalies (deformation jumps) occurred at the time of tsunami generation. Deformation jumps recorde...
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Grigory Dolgikh, Sergey Budrin and Stanislav Dolgikh
In the article we analyzed the results of processing experimental data of the range of surface gravity sea wind waves (2?20 s) and the range of infra-gravitational sea waves (30 s?10 min), obtained on the laser meter of hydrosphere pressure variations. T...
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Sergey Smirnov, Grigory Dolgikh, Igor Yaroshchuk, Alexander Lazaryuk, Alexandra Kosheleva, Alex Shvyrev, Alexander Pivovarov and Aleksandr Samchenko
To study the features of resonant oscillations in the water column of the Peter the Great Gulf of the Sea of Japan, in situ measurements were carried out on its shelf, combined with numerical simulation of these processes. The observational data were obt...
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Igor Yaroshchuk, Alexandra Kosheleva, Alexander Lazaryuk, Grigory Dolgikh, Alexander Pivovarov, Aleksandr Samchenko, Alex Shvyrev, Oleg Gulin and Roman Korotchenko
The knowledge of salinity in a specific sea area with high accuracy is required to solve several acoustic and hydrophysical problems on the ocean shelf. Unlike temperature, which can be measured continuously for a long time, with, for example, thermistor...
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Vitaly K. Fischenko, Anna A. Goncharova, Grigory I. Dolgikh, Petr S. Zimin, Aleksey E. Subote, Nelly A. Klescheva and Andrey V. Golik
The article describes the technology of express analysis of images and videos, recorded by coastal video monitoring systems, developed by the authors. Its main feature is its ability to measure or evaluate in real time the signals of sea waves, sea level...
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