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Hydro-acoustic precursors of storm waves
- We consider the mechanics of coupled underwater-acoustic and surface-gravity waves generated by surface pressure disturbances in a slightly compressible fluid.
- We show that pressure changes on the ocean surface, localised in space and time, can induce appreciable underwater compression waves which are precursors of the surface gravity waves.
- We derive new results for the underwater compression wave field and discuss the dynamics of its generation and propagation.
- This work could lead to the design of innovative alert systems for coastal flooding management.