Institutional Repository of Key Laboratory of Ocean Circulation and Wave Studies, Institute of Oceanology, Chinese Academy of Sciences
A new wind vector algorithm for C-band SAR | |
He, YJ; Perrie, W; Zou, QP; Vachon, PW | |
2005-07-01 | |
发表期刊 | IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING |
ISSN | 0196-2892 |
卷号 | 43期号:7页码:1453-1458 |
文章类型 | Article |
摘要 | Ocean wind speed and wind direction are estimated simultaneously using the normalized radar cross sections or' corresponding to two neighboring (25-km) blocks, within a given synthetic aperture radar (SAR) image, having slightly different incidence angles. This method is motivated by the methodology used for scatterometer data. The wind direction ambiguity is removed by using the direction closest to that given by a buoy or some other source of information. We demonstrate this method with 11 EN-VISAT Advanced SAR sensor images of the Gulf of Mexico and coastal waters of the North Atlantic. Estimated wind vectors are compared with wind measurements from buoys and scatterometer data. We show that this method can surpass other methods in some cases, even those with insufficient visible wind-induced streaks in the SAR images, to extract wind vectors.; Ocean wind speed and wind direction are estimated simultaneously using the normalized radar cross sections or' corresponding to two neighboring (25-km) blocks, within a given synthetic aperture radar (SAR) image, having slightly different incidence angles. This method is motivated by the methodology used for scatterometer data. The wind direction ambiguity is removed by using the direction closest to that given by a buoy or some other source of information. We demonstrate this method with 11 EN-VISAT Advanced SAR sensor images of the Gulf of Mexico and coastal waters of the North Atlantic. Estimated wind vectors are compared with wind measurements from buoys and scatterometer data. We show that this method can surpass other methods in some cases, even those with insufficient visible wind-induced streaks in the SAR images, to extract wind vectors. |
关键词 | Retrieval Synthetic Aperture Radar (Sar) Wind Vector |
学科领域 | Geochemistry & Geophysics ; Engineering, Electrical & Electronic ; Remote Sensing |
DOI | 10.1109/TGRS.2005.848411 |
URL | 查看原文 |
收录类别 | SCI |
语种 | 英语 |
WOS记录号 | WOS:000230149900002 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://ir.qdio.ac.cn/handle/337002/2442 |
专题 | 海洋环流与波动重点实验室 |
作者单位 | 1.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China 2.Fisheries & Oceans Canada, Bedford Inst Oceanog, Dartmouth, NS B2Y 4A2, Canada 3.Dalhousie Univ, Dept Engn Math, Halifax, NS B3J 1Y9, Canada 4.Def R&D Canada, Ottawa, ON K1A 0Z4, Canada |
推荐引用方式 GB/T 7714 | He, YJ,Perrie, W,Zou, QP,et al. A new wind vector algorithm for C-band SAR[J]. IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING,2005,43(7):1453-1458. |
APA | He, YJ,Perrie, W,Zou, QP,&Vachon, PW.(2005).A new wind vector algorithm for C-band SAR.IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING,43(7),1453-1458. |
MLA | He, YJ,et al."A new wind vector algorithm for C-band SAR".IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING 43.7(2005):1453-1458. |
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