Monitoring short-period internal waves in the White Sea |
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| Authors: | A V Zimin I E Kozlov O A Atadzhanova B Chapron |
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| Institution: | 1.St. Petersburg Branch, Shirshov Institute of Oceanology,Russian Academy of Sciences,St. Petersburg,Russia;2.Russian State Hydrometeorological University,St. Petersburg,Russia;3.Klaip?da University,Klaip?da,Lithuania;4.Institut fran?ais de recherche pour l’exploitation de la mer (IFREMER),Brest,France |
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| Abstract: | Widespread short-period internal wave (SPIW) activity in the White Sea has been revealed for the first time based on long-term (2009–2013) monitoring performed using satellite and in situ observations, and the statistical characteristics of these waves have been obtained. Two main regions where short-period waves constantly exist have been identified: the shelf area near the frontal zone at the boundary between the Basin and the Gorlo Strait and the shallow shelf area where the depths are about 30–50 m near Solovetskie Islands. Intense internal waves (IIWs), which are substantially nonlinear and are related to specific phases of a barotropic tide, are regularly observed near frontal zones. The wave height can reach half the sea depth and the wave periods vary from 7 to 18 min. |
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