NDLI: Impact of Enhanced Wave-Induced Mixing on the Ocean Upper Mixed Layer during Typhoon Nepartak in a Regional Model of the Northwest Pacific Ocean

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Impact of Enhanced Wave-Induced Mixing on the Ocean Upper Mixed Layer during Typhoon Nepartak in a Regional Model of the Northwest Pacific Ocean

Content Provider	MDPI
Author	Yu, Chengcheng Yang, Yongzeng Yin, Xunqiang Sun, Meng Shi, Yongfang
Copyright Year	2020
Description	To investigate the effect of wave-induced mixing on the upper ocean structure, especially under typhoon conditions, an ocean-wave coupled model is used in this study. Two physical processes, wave-induced turbulence mixing and wave transport flux residue, are introduced. We select tropical cyclone (TC) Nepartak in the Northwest Pacific ocean as a TC example. The results show that during the TC period, the wave-induced turbulence mixing effectively increases the cooling area and cooling amplitude of the sea surface temperature (SST). The wave transport flux residue plays a positive role in reproducing the distribution of the SST cooling area. From the intercomparisons among experiments, it is also found that the wave-induced turbulence mixing has an important effect on the formation of mixed layer depth (MLD). The simulated maximum MLD is increased to 54 m and is only 1 m less than the observed value. The wave transport flux residue shows a dominant role in the mixed layer temperature (MLT) changing. The mean error of the MLT is reduced by 0.19 °C compared with the control experiment without wave mixing effects. The study shows that the effect of wave mixing should be included in the upper ocean structure modeling.
Starting Page	2808
e-ISSN	20724292
DOI	10.3390/rs12172808
Journal	Remote Sensing
Issue Number	17
Volume Number	12
Language	English
Publisher	MDPI
Publisher Date	2020-08-30
Access Restriction	Open
Subject Keyword	Remote Sensing Oceanography Wave-induced Turbulence Mixing Wave Transport Flux Residue Typhoon Upper Mixed Layer Northwest Pacific Ocean
Content Type	Text
Resource Type	Article

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