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Article

Статистика экстремального волнения в юго-западной части Балтийского моря

Соомере Т., Куркина О. Е.

The properties of extreme wave storms in the Darss Sill area, SW Baltic Sea, are analysed based on waverider data for 1991-2010 and long-term numerical simulations. The long-term significant wave height is HS ~0.7 m and the most frequent wave periods 2-4 s. The largest measured HS is 4.46 m. The typical measured and modelled wave periods differ by up to 2 s. The annual maximum HS has notched behaviour, with an increase for 1958-1990 and since 1993, and a drastic decrease in 1991-1992. The measured annual average and maximum HS have changed insignificantly in 1991-2010 but the threshold for the top 1% of waves has considerably decreased.