IOCAS-IR  > 海洋生态与环境科学重点实验室
Satellite Investigation of Semidiurnal Internal Tides in the Sulu-Sulawesi Seas
Zhao, Xiaoyu1,2; Xu, Zhenhua1,3,4,5; Feng, Ming6; Li, Qun7; Zhang, Peiwen1,2,4; You, Jia1,2,4; Gao, Song8; Yin, Baoshu1,2,3,4,5
2021-07-01
发表期刊REMOTE SENSING
卷号13期号:13页码:20
通讯作者Xu, Zhenhua(xuzhenhua@qdio.ac.cn)
摘要The mode-1 semidiurnal internal tides that emanate from multiple sources in the Sulu-Sulawesi Seas are investigated using multi-satellite altimeter data from 1993-2020. A practical plane-wave analysis method is used to separately extract multiple coherent internal tides, with the nontidal noise in the internal tide field further removed by a two-dimensional (2-D) spatial band-pass filter. The complex radiation pathways and interference patterns of the internal tides are revealed, showing a spatial contrast between the Sulu Sea and the Sulawesi Sea. The mode-1 semidiurnal internal tides in the Sulawesi Sea are effectively generated from both the Sulu and Sangihe Island chains, forming a spatially inhomogeneous interference pattern in the deep basin. A cylindrical internal tidal wave pattern from the Sibutu passage is confirmed for the first time, which modulates the interference pattern. The interference field can be reproduced by a line source model. A weak reflected internal tidal beam off the Sulawesi slope is revealed. In contrast, the Sulu Island chain is the sole energetic internal tide source in the Sulu Sea, thus featuring a relatively consistent wave and energy flux field in the basin. These energetic semidiurnal internal tidal beams contribute to the frequent occurrence of internal solitary waves (ISWs) in the study area. On the basis of the 28-year consistent satellite measurements, the northward semidiurnal tidal energy flux from the Sulu Island chain is 0.46 GW, about 25% of the southward energy flux. For M-2, the altimetric estimated energy fluxes from the Sulu Island chain are about 80% of those from numerical simulations. The total semidiurnal tidal energy flux from the Sulu and Sangihe Island chains into the Sulawesi Sea is about 2.7 GW.
关键词semidiurnal internal tides the Sulu-Sulawesi Seas sea surface height plane wave fit method energy flux
DOI10.3390/rs13132530
收录类别SCI
语种英语
资助项目Strategic Pioneering Research Program of CAS ; National Natural Science Foundation of China ; National Key Research and Development Program of China[XDB42000000] ; National Key Research and Development Program of China[XDA22050202] ; National Key Research and Development Program of China[92058202] ; National Key Research and Development Program of China[91858103] ; National Key Research and Development Program of China[2017YFA0604102] ; National Key Research and Development Program of China[2016YFC1401404] ; CAS Key Research Program of Frontier Sciences ; Key Deployment Project of Centre for Ocean Mega-Research of Science ; CAS[QYZDB-SSW-DQC024] ; CAS[COMS2020Q07] ; CAS[133244KYSB20190031] ; CSIRO[QYZDB-SSW-DQC024] ; CSIRO[COMS2020Q07] ; CSIRO[133244KYSB20190031]
WOS研究方向Environmental Sciences & Ecology ; Geology ; Remote Sensing ; Imaging Science & Photographic Technology
WOS类目Environmental Sciences ; Geosciences, Multidisciplinary ; Remote Sensing ; Imaging Science & Photographic Technology
WOS记录号WOS:000670957800001
出版者MDPI
引用统计
被引频次:7[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/177003
专题海洋生态与环境科学重点实验室
通讯作者Xu, Zhenhua
作者单位1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Ocean Circulat & Waves, Qingdao 266071, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Pilot Natl Lab Marine Sci & Technol, Qingdao 266237, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Peoples R China
5.Chinese Acad Sci, Inst Oceanol, CAS Engn Lab Marine Ranching, Qingdao 266071, Peoples R China
6.CSIRO Oceans & Atmosphere, Indian Ocean Marine Res Ctr, Crawley, WA 6009, Australia
7.Polar Res Inst China, Shanghai 200136, Peoples R China
8.State Ocean Adm, North China Sea Marine Forecasting Ctr, Qingdao 266061, Peoples R China
第一作者单位中国科学院海洋研究所
通讯作者单位中国科学院海洋研究所;  中国科学院海洋大科学研究中心
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Zhao, Xiaoyu,Xu, Zhenhua,Feng, Ming,et al. Satellite Investigation of Semidiurnal Internal Tides in the Sulu-Sulawesi Seas[J]. REMOTE SENSING,2021,13(13):20.
APA Zhao, Xiaoyu.,Xu, Zhenhua.,Feng, Ming.,Li, Qun.,Zhang, Peiwen.,...&Yin, Baoshu.(2021).Satellite Investigation of Semidiurnal Internal Tides in the Sulu-Sulawesi Seas.REMOTE SENSING,13(13),20.
MLA Zhao, Xiaoyu,et al."Satellite Investigation of Semidiurnal Internal Tides in the Sulu-Sulawesi Seas".REMOTE SENSING 13.13(2021):20.
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