engleski

A case study of the Adriatic seiches (December 1997)

The storm surge and subsequent seiche oscillations observed in the Adriatic Sea in December 1997 are studied by analysing the time series of sea level and meteorological parameters collected at several stations along the eastern coast of the basin. The meteorological situation which generated the storm surge is outlined in connection with the sea level fluctuations. It is pointed out that both the wind-field variability and basin topography may contribute to the way energy is partitioned between various Adriatic modes. The decay time of the fundamental free mode is estimated by means of two different methods. Although respectively consistent with previous estimates made with comparable methods, their results differ systematically from each other, the average decay times being 78 h and 96 h. Possible explanations for such differences are proposed.

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