Special Issue "Sea Level Fluctuations"

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: 5 October 2021.

Special Issue Editor

Dr. Grigory Ivanovich Dolgikh
E-Mail Website
Guest Editor
V.I. Il'ichev Pacific Oceanological Institute, Vladivostok, Russian Federation
Interests: sea level; hydroacoustics; seismoacoustics; infrasound waves; interaction of geospheres; laser-interference methods

Special Issue Information

Dear Colleagues,

This Special Issue of JMSE is devoted to the wave processes of the ocean, which are of crucial importance for its inhabitants. In addition, they play a crucial role in the energy exchange of geospheres and the Earth’s climate. Especially interesting are questions related to the nonlinear interaction of oscillations and waves of different frequency ranges, which lead to the formation of catastrophic phenomena. In the study of ocean wave processes, ranging from tidal to hydroacoustic, it is essential to study the physics of their occurrence, development, and transformation into neighboring geospheres. When studying tidal processes, seiches, surface and internal sea waves, as well infragravity waves, the question of the primary source of these oscillations and waves is extremely interesting: whether from the ocean, atmosphere, or lithosphere. From this point of view, an interdisciplinary approach aimed at the simultaneous study of processes of similar frequency ranges in all geospheres is critically important.

 

Dr. Grigory Ivanovich Dolgikh
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All papers will be peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Journal of Marine Science and Engineering is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1800 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • tides
  • seiches
  • surface and internal sea waves
  • infragravity waves
  • tsunamis
  • solitons
  • solitary waves
  • interaction of geospheres

Published Papers (4 papers)

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Research

Article
The Approach for Studying Variability of Sea Wave Spectra in a Wide Range of Wavelengths from High-Resolution Satellite Optical Imagery
J. Mar. Sci. Eng. 2021, 9(8), 823; https://doi.org/10.3390/jmse9080823 - 30 Jul 2021
Viewed by 172
Abstract
The development and validation of a method for remote measurement of the spectra of sea waves, which significantly expands the capabilities to study surface waves in large water areas in a wide range of wavelengths, is described. The applied approach is based on [...] Read more.
The development and validation of a method for remote measurement of the spectra of sea waves, which significantly expands the capabilities to study surface waves in large water areas in a wide range of wavelengths, is described. The applied approach is based on the use of retrieving operators, which are constructed by the method of numerical simulation, taking into account the nonlinear nature of brightness field modulation by the slopes of the sea surface. Retrieving operators have a set of parameters that are adapted to the real conditions of aerospace imaging. To assess the adequacy of the retrieving of wave spectra recorded from satellite images, they are compared with the spectra obtained by ground-based means under controlled conditions. The studies have shown the adequacy of remote measurement of the spectra of slopes and elevations of sea waves with wavelengths in the range 0.1–1 m. The possibility of using the developed method for studying the variability of sea waves in the coastal zone under conditions of limited fetch, including in the presence of anthropogenic disturbances, is shown. Full article
(This article belongs to the Special Issue Sea Level Fluctuations)
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Article
Analysis of Underwater Acoustic Propagation under the Influence of Mesoscale Ocean Vortices
J. Mar. Sci. Eng. 2021, 9(8), 799; https://doi.org/10.3390/jmse9080799 - 24 Jul 2021
Viewed by 234
Abstract
Mesoscale ocean vortices are common phenomenon and fairly distributed over the global oceans. In this study, mesoscale vortex in the South China Sea is identified by processing of AIPOcean data. The characteristic parameters of the identified vortex are extracted by using Okubo-Weiss (OW) [...] Read more.
Mesoscale ocean vortices are common phenomenon and fairly distributed over the global oceans. In this study, mesoscale vortex in the South China Sea is identified by processing of AIPOcean data. The characteristic parameters of the identified vortex are extracted by using Okubo-Weiss (OW) method. The empirical sound velocity formula and interpolation method are used to obtain the spatial characteristics of temperature and sound velocity of the mesoscale vortex. After this, a theoretical model based on the Gaussian method is established to fit and simulate the vortex parameters. Using this model, the influence of mesoscale vortex strength, cold and warm vortex, vortex center position and sound source frequency on sound propagation are analyzed in COMSOL software. Finally, the actual parameters of the identified vortex are compared with the ideal Gaussian vortex model. It is found that different types of mesoscale vortices have different effects on the underwater sound propagation characteristics. Cold vortices, for example, cause the sound energy convergence zone to move toward the sound source, reducing the convergence zone’s span, whereas warm vortices cause the sound energy convergence zone to move away from the sound source, increasing the convergence zone’s span. Furthermore, the stronger the mesoscale vortices, the greater the impact on the sound field. Our COMSOL-based results are consistent with previous research, indicating that this model could be useful for studying underwater acoustic propagation in vortices. Full article
(This article belongs to the Special Issue Sea Level Fluctuations)
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Article
The Effect of Mesoscale Eddy on the Characteristic of Sound Propagation
J. Mar. Sci. Eng. 2021, 9(8), 787; https://doi.org/10.3390/jmse9080787 - 22 Jul 2021
Viewed by 315
Abstract
A mesoscale eddy is detected and tracked in the western North Pacific region. Within the life cycle of the cyclonic eddies, the intensities of eddies make a difference. Satellite images indicate the oceanic eddy keeps westward-moving until it disappears. Oceanographic and acoustic characteristics [...] Read more.
A mesoscale eddy is detected and tracked in the western North Pacific region. Within the life cycle of the cyclonic eddies, the intensities of eddies make a difference. Satellite images indicate the oceanic eddy keeps westward-moving until it disappears. Oceanographic and acoustic characteristics of the eddy are studied. The acoustic energy distribution results from the different intensity of both modelled eddy and measured eddy are calculated. With sound propagation through the cyclonic eddy and anticyclonic eddy, the position of convergence zone moves away from and towards the acoustic source compared with the sound propagation through background hydrography. The coupling coefficient of different orders of normal modes changes significantly. The closer to the centre of the eddy, the stronger the coupling coefficient. Full article
(This article belongs to the Special Issue Sea Level Fluctuations)
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Article
Fluctuations of the Sea Level, Caused by Gravitational and Infra–Gravitational Sea Waves
J. Mar. Sci. Eng. 2020, 8(10), 796; https://doi.org/10.3390/jmse8100796 - 13 Oct 2020
Viewed by 635
Abstract
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. The laser [...] Read more.
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. The laser meter of hydrosphere pressure variations was installed for a long time on the bottom at different points of the Sea of Japan shelf. This paper presents the results of the analysis of swell waves caused by the KOMPASU typhoon, which passed over the Sea of Japan on 2–3 September 2010. Several mechanisms of the generation and propagation of waves with different periods during the typhoon movement are considered. In the course of the analysis, we studied the connection between variations of the main periods of gravitational sea waves with the dispersion and the Doppler effect, variations of speed and direction of the wind in a typhoon zone. The nonlinearity of the process of wave period change caused by dispersion is estimated. In the combined analysis of variations of hydrosphere pressure in the ranges of gravitational and infra-gravitational sea waves, we studied their energy relationships and determined regional infra-gravitational sea waves, which make a significant contribution to the energy of the infra-gravitational range. Full article
(This article belongs to the Special Issue Sea Level Fluctuations)
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Fluctuations of the sea level, caused by gravitational and infra-gravitational sea waves

Grigory Dolgikh1, Sergey Budrin2, Stanislav Dolgikh3

Summary: In the article we analyze 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. The laser meter of hydrosphere pressure variations was installed for a long time on the bottom at different points of the Sea of ​​Japan shelf. In the course of the analysis, we studied the connection between variations of the main periods of gravitational sea waves with the dispersion and the Doppler Effect, variations of speed and direction of the wind in a typhoon zone. In the combined analysis of variations of hydrosphere pressure in the ranges of gravitational and infra-gravitational sea waves, we studied their energy relationships; and determined regional infra-gravitational sea waves, which make a significant contribution to the energy of the infra-gravitational range. In the conclusion of the article, we present a record of the laser meter of hydrosphere pressure variations, containing a packet of solitary sea waves of significant amplitude, related, according to their characteristics, to rogue waves. 

 

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