Articles | Volume 20, issue 3
https://doi.org/10.5194/os-20-639-2024
https://doi.org/10.5194/os-20-639-2024
Research article
 | 
02 May 2024
Research article |  | 02 May 2024

On the short-term response of entrained air bubbles in the upper ocean: a case study in the north Adriatic Sea

Alvise Benetazzo, Trygve Halsne, Øyvind Breivik, Kjersti Opstad Strand, Adrian H. Callaghan, Francesco Barbariol, Silvio Davison, Filippo Bergamasco, Cristobal Molina, and Mauro Bastianini

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This preprint is open for discussion and under review for Natural Hazards and Earth System Sciences (NHESS).
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Cited articles

Benetazzo, A., Bergamasco, A., Bonaldo, D., Falcieri, F. M., Sclavo, M., Langone, L., and Carniel, S.: Response of the Adriatic Sea to an intense cold air outbreak: Dense water dynamics and wave-induced transport, Prog. Oceanogr., 128, 115–138, https://doi.org/10.1016/j.pocean.2014.08.015, 2014. 
Benetazzo, A., Davison, S., Barbariol, F., Mercogliano, P., Favaretto, C., and Sclavo, M.: Correction of ERA5 Wind for Regional Climate Projections of Sea Waves, Water, 14, 1590, https://doi.org/10.3390/w14101590, 2022. 
Bergamasco, A., Oguz, T., and Malanotte-Rizzoli, P.: Modeling dense water mass formation and winter circulation in the northern and central Adriatic Sea, J. Marine Syst., 20, 279–300, 1999. 
Bignami, F., Salusti, E., and Schiarini, S.: Observations on a bottom vein of dense water in the southern Adriatic and Ionian seas, J. Geophys. Res., 95, 7249, https://doi.org/10.1029/JC095iC05p07249, 1990. 
Brekhovskikh, L. and Lysanov, Y.: Fundamentals of Ocean Acoustics, Springer Berlin Heidelberg, Berlin, Heidelberg, https://doi.org/10.1007/978-3-662-02342-6, 1991. 
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We investigated the behaviour of air bubble plumes in the upper ocean in various stormy conditions. We conducted a field experiment in the North Adriatic Sea using high-resolution sonar. We found that bubble penetration depths respond rapidly to wind and wave forcings and can be triggered by the cooling of the water masses. We also found a strong connection between bubble depths and theoretical CO2 gas transfer. Our findings have implications for air–sea interaction studies.
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