Modeling vertical heat transport in the wave affected surface layer of the ocean |
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Authors: | Jinliang Wang Jinbao Song |
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Institution: | (1) Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, China;(2) Institute of Applied Mathematics, College of Science, Qingdao Technological University, Qingdao, 266033, China;(3) Key Laboratory of Ocean Circulation and Waves(KLOCAW), Chinese Academy of Sciences, Qingdao, 266071, China |
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Abstract: | In considering the vertical heat transport problems in the upper ocean, the flat upper boundary approximation for the free
surface and the horizontal homogenous hypothesis are usually applied. However, due to the existence of the wave motion, the
application of this approximation may result in some errors to the solar irradiation since it decays quickly in respect to
the actual thickness of the water layer below the surface; on the other hand, due to the fluctuation of the water layer depth,
it is improper to neglect the effects of the horizontal advection and turbulent diffusion since they also contribute to the
vertical heat transport. A new model is constructed in this study to reflect these effects. The corresponding numerical simulations
show that the wave motion may remarkably accelerate the vertical heat transferring process and the variation of the temperature
in the wave affected layer appears in an oscillating manner.
Supported by the National High Technology Research and Development Program of China (863 Program, No. 2006AA09A309); China
Postdoctoral Science Foundation (No. 20070411111) and the Fund of Shandong Province for the Excellent Post-Doctors (No. 200603056) |
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Keywords: | Keyword" target="_blank">Keyword wave effect heat diffusion air-sea flux sea surface temperature |
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