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Role of Ocean Waves in the Coupled Atmosphere-Ocean ... - ecmwf

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Saturation <strong>of</strong> Sea Drag<br />

Powel et al., 2003, Nature<br />

• Extensive research field s<strong>in</strong>ce<br />

2003, dozens <strong>of</strong> papers<br />

• field and laboratory<br />

experiments<br />

• <strong>the</strong>ories:<br />

- spray <strong>the</strong>ories, 4 classes<br />

- hydrodynamic <strong>the</strong>ories, 2<br />

classes<br />

- <strong>in</strong>stability <strong>of</strong> ripples (KH and<br />

modulat<strong>in</strong>al)<br />

-turbulence <strong>the</strong>ory: 2D<br />

turbulence suppresses 3D<br />

vortexes<br />

- comb<strong>in</strong>ation <strong>of</strong> those<br />

Drag saturates at<br />

U 10=32-33m/s

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