Institutional Repository of Key Laboratory of Ocean Circulation and Wave Studies, Institute of Oceanology, Chinese Academy of Sciences
| Improving mesoscale observations from satellite altimetry using bottom pressure and tide gauge measurements in the Japan Sea | |
Li, Hongjie1,2,3; Xu, Yongsheng1,2
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| 2017 | |
| 发表期刊 | INTERNATIONAL JOURNAL OF REMOTE SENSING
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| 卷号 | 38期号:22页码:6247-6267 |
| 文章类型 | Article |
| 摘要 | In 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. |
| DOI | 10.1080/01431161.2017.1350307 |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000406546100006 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 版本 | 出版稿 |
| 条目标识符 | http://ir.qdio.ac.cn/handle/337002/143102 |
| 专题 | 海洋环流与波动重点实验室 |
| 作者单位 | 1.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 |
| 第一作者单位 | 海洋环流与波动重点实验室 |
| 推荐引用方式 GB/T 7714 | 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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| Improving mesoscale （2546KB） | 期刊论文 | 出版稿 | 限制开放 | CC BY-NC-SA | 浏览 | |
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