Assessing meteotsunami potential of high-frequency air pressure oscillations observed in the middle Adriatic

Ivica Vilibić (), Hrvoje Mihanović and Francois Charrayre

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2014, vol. 74, issue 1, 217-232

Abstract: High-resolution air pressure series collected from a triangle of middle Adriatic microbarograph stations between April 2009 and March 2011 have been analysed to extract the rapid pressure changes normally found during meteotsunamis. Five-minute air pressure tendencies were used to detect an event. Wavelet and cross-wavelet analysis showed that the energies of high-frequency pressure changes that occurred during the warm part of the year were an order of magnitude higher than those that occurred during the cold part of the year. Coherence between stations was normally found at periods longer than 1 h, while air pressure disturbances were dispersive and not coherent at shorter periods. This implies that the disturbances had little to no potential to generate meteotsunamis in the middle Adriatic area, as the eigenoscillations in bays and harbours of the region are over timescales of minutes up to a few tens of minutes. Copyright Springer Science+Business Media Dordrecht 2014

Keywords: Meteotsunamis; Microbarographs; Air pressure tendency; Adriatic Sea (search for similar items in EconPapers)
Date: 2014
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DOI: 10.1007/s11069-013-0865-x

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