Distribution characteristics of swell in the Pacific and its impact to the marine atmospheric boundary layer

LI Jing; ZHENG Chong-wei; LI Xin; LUO Zhi-xian; WANG Zhen; YAO Qi

doi:10.3969/j.issn.1001-909X.2019.02.001

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Journal of Marine Sciences ›› 2019, Vol. 37 ›› Issue (2) : 1-8. DOI: 10.3969/j.issn.1001-909X.2019.02.001

Distribution characteristics of swell in the Pacific and its impact to the marine atmospheric boundary layer

LI Jing¹, ZHENG Chong-wei^*2,3,4, LI Xin⁵, LUO Zhi-xian⁵, WANG Zhen¹, YAO Qi⁶

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Abstract

The interannual and season spatial distribution of the peak phase speed of the wave, wave age, wave slope etc, which described for swell and wave-driven wind regime are given by the ERA-40 reanalysis data. The swell speed is the largest in the eastern Pacific equatorial region and other sea, and the propagation from south to north is obvious. The wave boundary layer (WBL) height in the Pacific Ocean shows the distribution situation with the higher in east and lower in the west. The wave-driven wind regime occurs mainly in the equatorial tropical seas, which is stronger in summer and weaker in winter in the northern hemisphere, but that in southern hemisphere is contrary. The northern seas of the northern hemisphere are more prone to the wave-driven wind regime in summer, while the seas near the equator are opposite. The waves in South China Sea is mixture waves of wind waves and swell, therefore it is necessary to discuss separately for the wave climate research.

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Pacific / air-sea boundary layer / wave-driven wind

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LI Jing, ZHENG Chong-wei, LI Xin, LUO Zhi-xian, WANG Zhen, YAO Qi. Distribution characteristics of swell in the Pacific and its impact to the marine atmospheric boundary layer[J]. Journal of Marine Sciences. 2019, 37(2): 1-8 https://doi.org/10.3969/j.issn.1001-909X.2019.02.001

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