Conference Proceedings

Wave refraction on southern ocean eddies

H Rapizo, AV Babanin, O Gramstad, M Ghantous

Proceedings of the 19th Australasian Fluid Mechanics Conference, AFMC 2014 | RMIT | Published : 2014


Motivated by differences in direction of propagation between the modelled and measured waves observed at the Southern Ocean Flux Station (SOFS), we investigated the possible effects of wave refraction on a Southern Ocean current field. We implemented a numerical model to describe the refraction of wave trains when propagating over a spatially varying current field and to see how they would be affected as they approach the location of the SOFS. The model was applied to three typical swell directions observed in the Southern Ocean, coming from south (S), southwest (SW) and west (W). The regions of convergence (increasing energy) and divergence (decreasing energy) of the wave rays are defined f..

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