期刊
OCEAN MODELLING
卷 38, 期 3-4, 页码 267-279出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ocemod.2011.04.006
关键词
Wave breaking; POM; The Yellow Sea; Surface boundary layer
资金
- National Basic Research Program of China [2007CB816001]
- Open Foundation of State Key Laboratory of Satellite Ocean Environment Dynamics [SOED0703]
- National Natural Science Foundation of China [41030854, 40776016, 40906015, 40906016]
Near-surface enhancement of turbulent mixing and vertical mixing coefficient for temperature owing to the effect of surface wave breaking is investigated using a two-dimensional (2-D) ocean circulation model with a tidal boundary condition in an idealized shelf sea. On the basis of the 2-D simulation, the effect of surface wave breaking on surface boundary layer deepening in the Yellow Sea in summer is studied utilizing a 3-D ocean circulation model. A well-mixed temperature surface layer in the Yellow Sea can be successfully reconstructed when the effect of surface wave breaking is considered. The diagnostic analysis of the turbulent kinetic energy equation shows that turbulent mixing is enhanced greatly in the Yellow Sea in summer by surface wave breaking. In addition, the diagnostic analysis of momentum budget and temperature budget also show that surface wave breaking has an evident contribution to the turbulent mixing in the surface boundary layer. We therefore conclude that surface wave breaking is an important factor in determining the depth of the surface boundary layer of temperature in the Yellow Sea in summer. (C) 2011 Elsevier Ltd. All rights reserved.
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