The dependence of the measured cool skin of the ocean on wind stress and total heat flux |
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| Authors: | Hartmut Grassl |
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| Institution: | (1) Max-Planck-Institut für Meteorologie, Hamburg, Germany |
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| Abstract: | The temperature drop  T between the ocean surface and the 5-cm depth was recorded during GATE, Phase III. With measured values of the total heat flux Q and an assumption about the thickness of the viscous boundary layer of the ocean, the wind-speed dependence of the factor of proportionality between T and Q is determined. This factor depends on the deviations of the thickness of the conductive layer from the thickness of the viscous layer and possibly partially on the wind stress. A further assumption about the thickness of the conductive layer leads to a wind-speed dependence of the ratio between total wind stress and its wave supporting part of it. This ratio increases from a value 1.5 at 1 m s–1 to 9 at 10 m s–1, which is in agreement with existing estimates. |
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