Assessment of an analytical model for sea surface wind speed retrieval from spaceborne SAR

被引：33

作者：

Xu, Qing ^{[1
,2
]}

Lin, Hui ^{[3
]}

Li, Xiaofeng ^{[4
]}

Zuo, Juncheng ^{[1
]}

Zheng, Quanan ^{[5
]}

Pichel, William G. ^{[6
]}

Liu, Yuguang ^{[7
]}

机构：

[1] Hohai Univ, Coll Ocean, Coll Traff, Nanjing 210098, Peoples R China

[2] Chinese Acad Sci, Inst Atmospher Phys, LASG, Beijing 100029, Peoples R China

[3] Chinese Univ Hong Kong, Inst Space & Earth Informat Sci, Hong Kong, Hong Kong, Peoples R China

[4] NOAA, IMSG, NESDIS, Camp Springs, MD 20746 USA

[5] Univ Maryland, Dept Atmospher & Ocean Sci, College Pk, MD 20742 USA

[6] NOAA, NESDIS, STAR, Camp Springs, MD 20746 USA

[7] Ocean Univ China, Phys Oceanog Lab, Qingdao 266003, Peoples R China

来源：

INTERNATIONAL JOURNAL OF REMOTE SENSING | 2010年 / 31卷 / 04期

关键词：

SYNTHETIC-APERTURE RADAR; SCATTEROMETER; SPECTRUM;

D O I：

10.1080/01431160902922870

中图分类号：

TP7 [遥感技术];

学科分类号：

081102 ; 0816 ; 081602 ; 083002 ; 1404 ;

摘要：

An analytical model based on radar backscatter theory was utilized to retrieve sea surface wind speeds from C-band satellite synthetic aperture radar (SAR) data at either vertical (VV) or horizontal (HH) polarization in transmission and reception. The wind speeds were estimated from several ENVISAT Advanced SAR (ASAR) images in Hong Kong coastal waters and from Radarsat-1 SAR images along the west coast of North America. To evaluate the accuracy of the analytical model, the estimated wind speeds were compared to coincident buoy measurements, as well as winds retrieved by C-band empirical algorithms (CMOD4, CMOD_IRF2 and CMOD5). The comparison shows that the accuracy of the analytical model is comparable to that of the C-band empirical algorithms. The results indicate the capability of the analytical model for sea surface wind speed retrieval from SAR images at both VV and HH polarization.

引用

页码：993 / 1008

页数：16

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