IOCAS-IR  > 海洋环流与波动重点实验室
Improving mesoscale observations from satellite altimetry using bottom pressure and tide gauge measurements in the Japan Sea
Li, Hongjie1,2,3; Xu, Yongsheng1,2
2017
Source PublicationINTERNATIONAL JOURNAL OF REMOTE SENSING
Volume38Issue:22Pages:6247-6267
SubtypeArticle
AbstractIn the Japan/East Sea (Sea of Japan), the basin-scale barotropic high-frequency signals cause aliasing error in the gridded sea level anomaly (SLA) product of the satellite altimeters. The aliasing errors can produce false mesoscale eddies and alter the dynamical explanation of ocean circulation. In this article, we corrected non-tidal aliasing errors in gridded SLA product using bottom pressure (BP) data and tide gauge (TG) data. The root mean square (RMS) of the aliasing induced SLA is about 3 cm in the Sea of Japan, which accounts for about 20% of the total energy. We found that, after BP correction, the percentage of error variance (PEV) is reduced from 43% to 34% for satellite-derived velocity, and from 22% to14% for 70-day low-pass filtered gridded SLA product. However, the improvement for TG correction is not notable. The basin-scale barotropic high-frequency signals are likely to be found in other nearly enclosed marginal seas. We suggested that more BP measurements should be conducted in the marginal seas for aliasing correction. The work in this article offers a useful reference for suppressing non-tidal alias errors in other marginal seas.
DOI10.1080/01431161.2017.1350307
Indexed BySCI
Language英语
WOS IDWOS:000406546100006
Citation statistics
Document Type期刊论文
Version出版稿
Identifierhttp://ir.qdio.ac.cn/handle/337002/143102
Collection海洋环流与波动重点实验室
Affiliation1.Chinese Acad Sci, Inst Oceanol, Key Lab Ocean Circulat & Waves, 7 Nanhai Rd, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Ocean & Climate Dynam, Qingdao, Peoples R China
3.Univ Chinese Acad Sci, Earth Sci Inst, Beijing, Peoples R China
First Author Affilication中国科学院海洋研究所
Recommended Citation
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Li, Hongjie,Xu, Yongsheng. Improving mesoscale observations from satellite altimetry using bottom pressure and tide gauge measurements in the Japan Sea[J]. INTERNATIONAL JOURNAL OF REMOTE SENSING,2017,38(22):6247-6267.
APA Li, Hongjie,&Xu, Yongsheng.(2017).Improving mesoscale observations from satellite altimetry using bottom pressure and tide gauge measurements in the Japan Sea.INTERNATIONAL JOURNAL OF REMOTE SENSING,38(22),6247-6267.
MLA Li, Hongjie,et al."Improving mesoscale observations from satellite altimetry using bottom pressure and tide gauge measurements in the Japan Sea".INTERNATIONAL JOURNAL OF REMOTE SENSING 38.22(2017):6247-6267.
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