Nonlinear Hydrophysics and Forecasting of Natural Disasters

A special issue of Journal of Marine Science and Engineering (ISSN 2077-1312). This special issue belongs to the section "Physical Oceanography".

Deadline for manuscript submissions: closed (20 September 2023) | Viewed by 1368

Special Issue Editor

V.I. Il’ichev Pacific Oceanological Institute, Far Eastern Branch Russian Academy of Sciences, 690041 Vladivostok, Russia
Interests: hydrophysics; hydroacoustics; seismoacoustics; infrasound waves; interaction of geospheres; laser-interference methods
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Special Issue Information

Dear Colleagues,

This Special Issue focuses on the physics of nonlinear processes in the hydro and geosphere with applications to dangerous (catastrophic) phenomena, including the following topics: 1. The development of the theory of nonlinear wave processes in the development of geospheric catastrophes with its subsequent binding to the experimental data obtained. 2. Studying the statistics of waves on the sea surface. Analysis of abnormally high emissions. Development of models of the occurrence of killer waves in deep and shallow water conditions with their subsequent verification on the experimental data obtained. 3. Study of the nature of infrasound disturbances created by typhoons during their movement from the moment of occurrence to complete destruction. 4. The development of technology for monitoring catastrophic storms in order to minimize their impact on the environment. 5. The development of a methodology for estimating the main parameters of a tsunami by crustal deformation disturbances with their remote monitoring. 6. The study of microseisms of the "voice of the sea" with the development of the technique of bearing the zones of their formation. 7. Experimental and model-theoretical studies of the patterns of occurrence and development of abnormal internal sea waves.

Prof. Dr. Grigory Ivanovich Dolgikh
Guest Editor

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Keywords

  • nonlinearity
  • abnormal wind waves
  • tsunamis
  • abnormal internal waves
  • catastrophic storms
  • models

Published Papers (2 papers)

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Research

13 pages, 11951 KiB  
Article
Dynamics of Upper-Frequency-Range Infrasonic Wave Generation in the Northwestern Part of the Sea of Japan
J. Mar. Sci. Eng. 2023, 11(10), 1955; https://doi.org/10.3390/jmse11101955 - 10 Oct 2023
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Abstract
The Pacific Northwest region is significantly affected by tropical cyclones, which pose a threat to humans due to strong winds and intense precipitation. Observations have shown that international meteorological agencies lower the hazard class of typhoons too early, or even stop tracking them [...] Read more.
The Pacific Northwest region is significantly affected by tropical cyclones, which pose a threat to humans due to strong winds and intense precipitation. Observations have shown that international meteorological agencies lower the hazard class of typhoons too early, or even stop tracking them altogether. We studied the results of in situ measurements of infrasonic microseismic oscillations in the upper frequency range, generated in the shelf area of the northwestern part of the Sea of Japan as a result of the long-term influence of strong tropical cyclones on the sea area. The measurement data were obtained using coastal laser strainmeters, which are components of the seismoacoustic hydrophysical measuring complex. The dynamics of upper-frequency-range infrasonic microseismic signals during the movement of Typhoon Chan-Hom 2015 in the Sea of Japan are shown. The same infrasonic microseismic oscillations excited by Typhoon 2022 Hinnamnor, which had no impact on the measuring station, have a difference in the width of the signal spectrum and frequency shift with maximum amplitude compared to the signals from Typhoon Chan-Hom. Full article
(This article belongs to the Special Issue Nonlinear Hydrophysics and Forecasting of Natural Disasters)
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15 pages, 3070 KiB  
Article
Evolution and Statistical Analysis of Internal Random Wave Fields within the Benjamin–Ono Equation
J. Mar. Sci. Eng. 2023, 11(10), 1853; https://doi.org/10.3390/jmse11101853 - 23 Sep 2023
Viewed by 480
Abstract
This study investigates the numerical evolution of an initially internal random wave field characterized by a Gaussian spectrum shape using the Benjamin–Ono (BO) equation. The research focuses on analyzing various properties associated with the random wave field, including the transition to a steady [...] Read more.
This study investigates the numerical evolution of an initially internal random wave field characterized by a Gaussian spectrum shape using the Benjamin–Ono (BO) equation. The research focuses on analyzing various properties associated with the random wave field, including the transition to a steady state of the spectra, statistical moments, and the distribution functions of wave amplitudes. Numerical simulations are conducted across different Ursell parameters, revealing intriguing findings. Notably, it is observed that the spectra of the wave field converge to a stationary state in a statistical sense, while exhibiting statistical characteristics that deviate from a Gaussian distribution. Moreover, as the Ursell parameter increases, the positive skewness of the wave field intensifies, and the kurtosis increases. The investigation also involves the computation of the probability of rogue wave formation, revealing deviations from the Rayleigh distribution. Notably, the study uncovers distinct types of internal rogue waves, specifically referred to as the “two sisters” and “three sisters” phenomena. Full article
(This article belongs to the Special Issue Nonlinear Hydrophysics and Forecasting of Natural Disasters)
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