Long-term wave measurements and rogue wave events near Sakhalin Island

Ira Didenkulova; Anna Kokorina; Alexey Slunyaev; Andrey Zaytsev; Ekaterina Didenkulova; Aleksandr Moskvitin; Oleg Didenkulov; Efim Pelinovsky

doi:https://doi.org/10.5194/egusphere-egu23-11024

[Back] [Session NH5.2]

EGU23-11024

https://doi.org/10.5194/egusphere-egu23-11024

EGU General Assembly 2023

© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.

Long-term wave measurements and rogue wave events near Sakhalin Island

Ira Didenkulova^1,2, Anna Kokorina², Alexey Slunyaev^2,3,4, Andrey Zaytsev^2,5, Ekaterina Didenkulova^2,3,4, Aleksandr Moskvitin^2,5, Oleg Didenkulov², and Efim Pelinovsky^2,3,4

Ira Didenkulova et al.

¹Department of Mathematics, University of Oslo, Oslo, Norway
²Institute of Applied Physics RAS, Nizhny Novgorod
³HSE University, N. Novgorod, Russia
⁴V.I. Il'ichev Pacific Oceanological Institute, Far Eastern Branch Russian Academy of Sciences, Vladivostok, Russia
⁵Special Design Bureau for Marine Research Automation of RAS Far Eastern Branch, Yuzhno-Sakhalinsk, Russia

Long-term measurements of bottom pressure variations obtained in four experimental campaigns near Sakhalin Island (Cape Svobodny) are analyzed. The statistical characteristics of 20-minute records of sea surface displacements reconstructed in the hydrostatic approximation, as well as individual wave parameters, such as wave height, period, and wave asymmetry, are studied. Records with similar meteorological conditions are sorted according to the significant wave height and the average wave period with the purpose to obtain statistically homogeneous data. The probability distributions of wave heights are constructed and compared with the Rayleigh and Glukhovsky distributions. A significant deviation from the theoretical curves in the range of anomalously high waves is demonstrated, which is associated with the records of intense wave groups in the winter season of 2014–2015.

The research is supported by the Russian Science Foundation (Grant No. 22–17-00153).

How to cite: Didenkulova, I., Kokorina, A., Slunyaev, A., Zaytsev, A., Didenkulova, E., Moskvitin, A., Didenkulov, O., and Pelinovsky, E.: Long-term wave measurements and rogue wave events near Sakhalin Island, EGU General Assembly 2023, Vienna, Austria, 24–28 Apr 2023, EGU23-11024, https://doi.org/10.5194/egusphere-egu23-11024, 2023.