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题名:
Influence of the type of sea waves on the backscattered radar cross section at medium incidence angles
作者: Karaev, V. Yu.; Panfilova, M. A.; Jie, Guo
刊名: IZVESTIYA ATMOSPHERIC AND OCEANIC PHYSICS
ISSN号: 0001-4338
出版日期: 2016-12-01
卷号: 52, 期号:9, 页码:904-910
关键词: sea waves ; scatterometer ; backscattered radar cross section ; wind speed ; wave age ; classification of sea waves ; wind speed retrieval algorithms
DOI: 10.1134/S0001433816090139
产权排序: [Karaev, V. Yu.; Panfilova, M. A.] Russian Acad Sci, Inst Appl Phys, Nizhnii Novgorod, Russia; [Jie, Guo] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai, Peoples R China
通讯作者: Karaev, VY (reprint author), Russian Acad Sci, Inst Appl Phys, Nizhnii Novgorod, Russia. volody@hydro.appl.sci-nnov.ru
作者部门: 海岸带信息集成与综合管理实验室
英文摘要: We consider the influence of the sea surface state on the backscattered radar cross section and the accuracy of the wind speed retrieval from the scatterometer data. We used a joint set of radars and buoys to determine the type of sea waves. Three types of sea waves were distinguished: developing wind waves, fully developed wind waves, and mixed sea. It is shown that the retrieval error of the near surface wind speed using a one-parameter algorithm is minimal in the case of fully developed wind waves. We compared these data with the results of radio-altimeter data analysis and showed that in both cases underestimation of the retrieval wind speed exists for developing wind waves and overestimation occurs for mixed sea. A variety of swell parameters (length of the dominating wave, swell height, swell age) significantly influence the backscattered radar cross section, leading to a growth in the mean square error of the retrieved wind speed during vertical sounding (radio-altimeter data), and only slightly influence the mean square error of the scatterometer data (medium incidence angles). It is necessary to include the information about the parameters of sea waves in the algorithms and take into account the regional wave properties to increase the accuracy of wind speed retrieval.
研究领域[WOS]: Meteorology & Atmospheric Sciences ; Oceanography
项目资助者: Russian Foundation for Basic Research(13-05-00852a ; Radiophysics Program of the Division of Physical Sciences, Russian Academy of Sciences ; Chinese Academy of Sciences ; 15-55-53046 GFEN_a)
关键词[WOS]: ALTIMETER ; ALGORITHM
文章类型: Article
收录类别: SCI
语种: 英语
WOS记录号: WOS:000394270700003
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.yic.ac.cn/handle/133337/21940
Appears in Collections:海岸带信息集成与综合管理实验室_期刊论文

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作者单位: 1.Russian Acad Sci, Inst Appl Phys, Nizhnii Novgorod, Russia
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai, Peoples R China
3.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai, Peoples R China

Recommended Citation:
Karaev, V. Yu.,Panfilova, M. A.,Jie, Guo. Influence of the type of sea waves on the backscattered radar cross section at medium incidence angles[J]. IZVESTIYA ATMOSPHERIC AND OCEANIC PHYSICS,2016,52(9):904-910.
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