IOCAS-IR  > 海洋环流与波动重点实验室
Effects of Swell Waves on Atmospheric Boundary Layer Turbulence: A Low Wind Field Study
Zou, Zhongshui1,2; Song, Jinbao1; Li, Peiliang1; Huang, Jian3; Zhang, Jun A.4,5; Wan, Zhanhong1; Li, Shuiqing6,7,8
2019-08-01
Source PublicationJOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
ISSN2169-9275
Volume124Issue:8Pages:5671-5685
Corresponding AuthorSong, Jinbao(songjb@zju.edu.cn) ; Huang, Jian(hj@grmc.gov.cn)
AbstractThe effect of swell waves on atmospheric boundary layer turbulence under low winds was explored using data from a fixed platform located in the South China Sea. The wind spectra, cospectra, and Ogive curve measured at a height of 8 m above the mean sea surface provided direct evidence that wind stress was affected by swell waves. To interpret such phenomena, an improved approach was derived based on the fact that the total wind stress was the vector sum of turbulent stress and wave-coherent stress. Different from the approaches of earlier studies, our approach did not align the turbulent stress with the mean wind speed. The influence of swell waves on the magnitude and direction of the total wind stress was analyzed using our approach. The results showed that the wave-coherent stress derived from our data accounted for 32% of the total wind stress. The magnitude and angle of the wind stress changed by swell waves depended on the relative angle between the turbulent stress and swell direction. Plain Language Summary A better understanding of the interactions between ocean waves and the atmospheric boundary layer (ABL) is crucial for predicting the future state of air-sea interactions and the long-term development of the climate. Many recent studies have shown that the behavior of the ABL under swell waves (ocean waves with old ages) is significantly different from that under young waves. In this study, we focus on the effect of swell waves on ABL turbulence by using observational data from a fixed platform located in the South China Sea. We show that swell waves can not only induce upward momentum but also absorb momentum. The change in the wind stress vector by swell waves also depends on the relative angle between the turbulent stress and swell direction. To interpret these phenomena, an improved approach is given here based on the fact that the total wind stress is the vector sum of turbulent stress and wave-coherent stress.
Keywordswell waves wind stress atmospheric boundary layer turbulence air-sea interactions
DOI10.1029/2019JC015153
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41806028] ; National Natural Science Foundation of China[41830533] ; National Natural Science Foundation of China[41606024] ; China Postdoctoral Science Foundation[2019 M65206] ; National Basic Research Program of China, Monitoring and Forecasting of Finescale Structure and Impact Assessment of Landfalling Typhoons[2015CB452800]
WOS Research AreaOceanography
WOS SubjectOceanography
WOS IDWOS:000490464200019
PublisherAMER GEOPHYSICAL UNION
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/163423
Collection海洋环流与波动重点实验室
Corresponding AuthorSong, Jinbao; Huang, Jian
Affiliation1.Zhejiang Univ, Ocean Coll, Zhoushan, Peoples R China
2.Zhejiang Univ, Ocean Res Ctr Zhou Shan, Zhoushan, Peoples R China
3.CMA, Guangzhou Inst Trop & Marine Meteorol, Guangzhou, Guangdong, Peoples R China
4.Univ Miami, Cooperat Inst Marine & Atmospher Studies, Miami, FL USA
5.NOAA, Hurricane Res Div, AOML, Miami, FL USA
6.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, Qingdao, Shandong, Peoples R China
7.Qingdao Natl Lab Marine Sci & Technol, Lab Ocean & Climate Dynam, Qingdao, Shandong, Peoples R China
8.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao, Shandong, Peoples R China
Recommended Citation
GB/T 7714
Zou, Zhongshui,Song, Jinbao,Li, Peiliang,et al. Effects of Swell Waves on Atmospheric Boundary Layer Turbulence: A Low Wind Field Study[J]. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,2019,124(8):5671-5685.
APA Zou, Zhongshui.,Song, Jinbao.,Li, Peiliang.,Huang, Jian.,Zhang, Jun A..,...&Li, Shuiqing.(2019).Effects of Swell Waves on Atmospheric Boundary Layer Turbulence: A Low Wind Field Study.JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,124(8),5671-5685.
MLA Zou, Zhongshui,et al."Effects of Swell Waves on Atmospheric Boundary Layer Turbulence: A Low Wind Field Study".JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS 124.8(2019):5671-5685.
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