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Analysis of current influence on the wind wave parameters in the Black Sea based on SWAN simulations

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Abstract

This study is dedicated to the assessment of the current influence on the wind wave height in the Black Sea based on numerical modeling. The research was carried out based on the SWAN wave model driven by NCEP/CFSv2 wind reanalysis. Current data from the Remote Sensing Department's archive of the Marine Hydrophysical Institute of RAS were used. It is shown that the average wave height mainly decreases when sea currents are considered. These changes are insignificant relative to the average values of wave heights. The greatest negative changes are typical for the western, central, and northeast parts of the Black Sea. Here, currents reduce the average annual wave heights down to – 7.5 cm. A slight increase in the average wave height is typical for the southern, southeast parts, and the northwest shelf of the sea. Currents have the greatest influence on the wave parameters during winter and the least during late spring and summer. The validation shows that currents increase the correlation coefficient when wave heights are > 2 m, but this increase is insignificant, over 0.05. In general, the quality of wave simulation in the Black Sea does not improve by supplementing currents in the model used in this study.

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Funding

The work of S. A. Myslenkov was supported by the Interdisciplinary Scientific and Educational School of Moscow State University “The Future of the Planet and Global Environmental Changes”. Data analysis was funded by the financial support of the Russian Foundation for Basic Research in the framework of the Scientific Project No. 20–55-46007.

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The concept of the study was jointly developed by AR and SM. AR did numerical simulations, analysis, visualization, and manuscript writing. SM did numerical simulations and manuscript writing. All authors have read and agreed to the published version of the manuscript.

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Correspondence to Aleksandra Rybalko.

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The authors declare no conflict of interest. The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript, or in the decision to publish the results.

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Rybalko, A., Myslenkov, S. Analysis of current influence on the wind wave parameters in the Black Sea based on SWAN simulations. J. Ocean Eng. Mar. Energy 9, 145–163 (2023). https://doi.org/10.1007/s40722-022-00242-1

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  • DOI: https://doi.org/10.1007/s40722-022-00242-1

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