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1 January 2007 A Parameterization of Overwater Friction Velocity During Hurricanes
S. A. Hsu
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On the basis of recent advances in the formulations of atmospheric stability and sea-surface roughness, a parameterization of overwater friction velocity (u*) is derived. It is shown that during hurricane conditions, u* can be obtained from U10, the wind speed at 10 m height. Verifications of the proposed equation against the correspondent data sets based on boundary-layer theories from three hurricanes are successful for operational applications.

S. A. Hsu "A Parameterization of Overwater Friction Velocity During Hurricanes," Journal of Coastal Research 2007(231), 270-274, (1 January 2007).
Received: 6 May 2005; Accepted: 5 July 2006; Published: 1 January 2007
atmospheric stability
Marine boundary layer
Wind stress
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