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Observations of Rogue Seas in the Southern Ocean.
Toffoli, A; Alberello, A; Clarke, H; Nelli, F; Benetazzo, A; Bergamasco, F; Ntamba, B Ntamba; Vichi, M; Onorato, M.
Afiliación
  • Toffoli A; Department of Infrastructure Engineering, The University of Melbourne, Parkville, Victoria 3010, Australia.
  • Alberello A; School of Mathematics, University of East Anglia, Norwich, United Kingdom.
  • Clarke H; Department of Infrastructure Engineering, The University of Melbourne, Parkville, Victoria 3010, Australia.
  • Nelli F; Department of Mechnaical Engineering, Swinburne University of Technology, Melbourne, Australia.
  • Benetazzo A; Istituto di Scienze Marine, Consiglio Nazionale delle Ricerche, 30122 Venice, Italy.
  • Bergamasco F; Università Cá Foscari, 30123 Venice, Italy.
  • Ntamba BN; Cape Peninsula University of Technology, 7535 Cape Town, South Africa.
  • Vichi M; Department of Oceanography, University of Cape Town, Cape Town, South Africa.
  • Onorato M; Marine and Antarctic Research Centre for Innovation and Sustainability, University of Cape Town, Cape Town, South Africa.
Phys Rev Lett ; 132(15): 154101, 2024 Apr 12.
Article en En | MEDLINE | ID: mdl-38682971
ABSTRACT
We report direct observations of surface waves from a stereo camera system along with concurrent measurements of wind speed during an expedition across the Southern Ocean in the austral winter aboard the South African icebreaker S.A. Agulhas II. Records include water surface elevation across a range of wave conditions spanning from early stages of wave growth to full development. We give experimental evidence of rogue seas, i.e., sea states characterized by heavy tails of the probability density function well beyond the expectation based on bound mode theory. These conditions emerge during wave growth, where strong wind forcing and high nonlinearity drive wave dynamics. Quasiresonance wave-wave interactions, which are known to sustain the generation of large amplitude rogue waves, capture this behavior. Wave statistics return to normality as the wind forcing ceases and waves switch to a full developed condition.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2024 Tipo del documento: Article País de afiliación: Australia Pais de publicación: Estados Unidos
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2024 Tipo del documento: Article País de afiliación: Australia Pais de publicación: Estados Unidos