| Summary: | The interaction between ocean surface waves and the overlying wind leads to a transfer of momentum across the air-sea interface. Generally, ocean waves are thought to act as a drag on the surface wind so that the air-sea momentum flux is directed downward, from the atmosphere into the waves. Recent observations have suggested that momentum can also be transferred upwards when long wavelength waves, characteristic of remotely generated swell, propagaite faster than the wind speed. This upwarad momentum transfer acts to accelerate the near-surface wind, resulting in a low-level wave-driven wind jet. Idealised models are used here to investigate the effect of upward momentum transfer on the marine boundary layer and to determine the dynamics of these wave-driven jets.
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