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Wind Waves Excitation and Evolution
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Wind Waves Excitation and Evolution

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 (28 February 2021) | Viewed by 7045

Special Issue Editor

Prof. Dr. Lev Shemer

E-Mail Website
Guest Editor
Water Waves Laboratory, School of Mechanical Engineering, Faculty of Engineering, Tel-Aviv University, Tel-Aviv 69978, Israel
Interests: nonlinear water waves; wind waves; random waves; wave statistics; extreme waves; experimental fluid mechanics; remote sensing of the ocean

Special Issue Information

Dear Colleagues,

Although the process of generation of sea waves by wind has fascinated the human mind since ancient times, our understanding of the interaction of atmosphere and ocean in general, and, more specifically, of mechanisms leading to excitation, evolution, and growth of waves on the water surface due to wind action, remains incomplete. In spite of more than a hundred years of intense scientific efforts, there is still no consensus on the relative importance of diverse mechanisms that may lead to wave generation by wind and to their evolution in time and space. The complexities associated with the excitation of waves by wind are enormous. Waves excited in ocean by wind are three-dimensional, random, nonlinear, unsteady, and inhomogeneous. Theoretical analysis of those waves thus requires adopting far-reaching and not always justified assumptions; experimental verification of theoretical results is therefore of fundamental importance. However, the accuracy and generality of results obtained in field measurements is affected by uncontrolled environmental conditions and considerable technical difficulties. In a controlled laboratory environment, some of the intrinsic problems associated with wind-waves can be mitigated; however, other problems arise, in particular related to inevitable scale differences as compared to waves in nature. This Special Issue is devoted to all aspects of interaction of wind and water waves, including wind-wave modeling and related theoretical and numerical studies, laboratory and field measurements, and development of novel experimental techniques.

Prof. Dr. Lev Shemer
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 submissions that pass pre-check are 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 2600 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

  • Wind–wave interactions
  • Wind waves
  • Wind–wave statistics
  • Wind–wave modeling
  • Wave measurements
  • Wave breaking
  • Nonlinear waves
  • Remote sensing of waves
  • Temporal and spatial wind–wave evolution
  • Wind-induced currents

Published Papers (3 papers)

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Research

25 pages, 1043 KiB  
Article
A Novel Sea Surface Roughness Parameterization Based on Wave State and Sea Foam
by Difu Sun, Junqiang Song, Xiaoyong Li, Kaijun Ren and Hongze Leng
J. Mar. Sci. Eng. 2021, 9(3), 246; https://0-doi-org.brum.beds.ac.uk/10.3390/jmse9030246 - 25 Feb 2021
Cited by 6 | Viewed by 1799
Abstract
A wave state related sea surface roughness parameterization scheme that takes into account the impact of sea foam is proposed in this study. Using eight observational datasets, the performances of two most widely used wave state related parameterizations are examined under various wave [...] Read more.
A wave state related sea surface roughness parameterization scheme that takes into account the impact of sea foam is proposed in this study. Using eight observational datasets, the performances of two most widely used wave state related parameterizations are examined under various wave conditions. Based on the different performances of two wave state related parameterizations under different wave state, and by introducing the effect of sea foam, a new sea surface roughness parameterization suitable for low to extreme wind conditions is proposed. The behaviors of drag coefficient predicted by the proposed parameterization match the field and laboratory measurements well. It is shown that the drag coefficient increases with the increasing wind speed under low and moderate wind speed conditions, and then decreases with increasing wind speed, due to the effect of sea foam under high wind speed conditions. The maximum values of the drag coefficient are reached when the 10 m wind speeds are in the range of 30–35 m/s. Full article
(This article belongs to the Special Issue Wind Waves Excitation and Evolution)
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12 pages, 472 KiB  
Article
Miles Theory Revisited with Constant Vorticity in Water of Infinite Depth
by Christian Kharif and Malek Abid
J. Mar. Sci. Eng. 2020, 8(8), 623; https://0-doi-org.brum.beds.ac.uk/10.3390/jmse8080623 - 18 Aug 2020
Cited by 8 | Viewed by 2131
Abstract
The generation of wind waves at the surface of a pre-existing underlying vertically sheared water flow of constant vorticity is considered. Emphasis is put on the role of the vorticity in water on wind-wave generation. The amplitude growth rate increases with the vorticity [...] Read more.
The generation of wind waves at the surface of a pre-existing underlying vertically sheared water flow of constant vorticity is considered. Emphasis is put on the role of the vorticity in water on wind-wave generation. The amplitude growth rate increases with the vorticity except for quite old waves. A limit to the wave energy growth is found in the case of negative vorticity, corresponding to the vanishing of the growth rate. Full article
(This article belongs to the Special Issue Wind Waves Excitation and Evolution)
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21 pages, 3521 KiB  
Article
Predicting Wind Wave Suppression on Irregular Long Waves
by Taylor Bailey, Lauren Ross, Mary Bryant and Duncan Bryant
J. Mar. Sci. Eng. 2020, 8(8), 619; https://0-doi-org.brum.beds.ac.uk/10.3390/jmse8080619 - 18 Aug 2020
Cited by 3 | Viewed by 2679
Abstract
The applicability of the wind wave suppression model developed by Chen and Belcher (2000) to irregular wave environments is investigated in this study. Monochromatic and irregular wave environments were simulated in the W2 (Wind/Wave) laboratory at the University of Maine under varying [...] Read more.
The applicability of the wind wave suppression model developed by Chen and Belcher (2000) to irregular wave environments is investigated in this study. Monochromatic and irregular wave environments were simulated in the W2 (Wind/Wave) laboratory at the University of Maine under varying wind speeds. The Chen and Belcher (2000) model accurately predicts the reduction of the energy density of the wind waves in the presence of the monochromatic waves as a function of wave steepness, but under predicts this energy dissipation for the irregular waves. This is due to the consideration of a single wave frequency in the estimation of the growth rate and wave-induced stress of the monochromatic waves. The same formulations for the growth rate and wave-induced stress cannot be applied to irregular waves because their spectra contain energy over a wide range of frequencies. A revised version of the model is proposed to account for the energy contained within multiple wave frequencies from the power spectra for the mechanically generated irregular waves. The revised model shows improved results when applied to irregular wave environments. Full article
(This article belongs to the Special Issue Wind Waves Excitation and Evolution)
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