Validation of RADARSAT-2 fully polarimetric SAR measurements of ocean surface waves

doi:10.1029/2009JC005887

IOCAS-IR > 海洋环流与波动重点实验室

	Validation of RADARSAT-2 fully polarimetric SAR measurements of ocean surface waves
	Zhang, Biao 1; Perrie, Will 1; He, Yijun 2,3; Zhang, BA, Fisheries & Oceans Canada, Bedford Inst Oceanog, 1 Challenger Dr,POB 1006, Dartmouth, NS B2Y 4A2, Canada
	2010-06-30
发表期刊	JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS
ISSN	0148-0227
卷号	115 页码:C06031
文章类型	Article
摘要	C band RADARSAT-2 fully polarimetric (fine quad-polarization mode, HH+VV+HV+VH) synthetic aperture radar (SAR) images are used to validate ocean surface waves measurements using the polarimetric SAR wave retrieval algorithm, without estimating the complex hydrodynamic modulation transfer function, even under large radar incidence angles. The linearly polarized radar backscatter cross sections (RBCS) are first calculated with the copolarization (HH, VV) and cross-polarization (HV, VH) RBCS and the polarization orientation angle. Subsequently, in the azimuth direction, the vertically and linearly polarized RBCS are used to measure the wave slopes. In the range direction, we combine horizontally and vertically polarized RBCS to estimate wave slopes. Taken together, wave slope spectra can be derived using estimated wave slopes in azimuth and range directions. Wave parameters extracted from the resultant wave slope spectra are validated with colocated National Data Buoy Center (NDBC) buoy measurements (wave periods, wavelengths, wave directions, and significant wave heights) and are shown to be in good agreement.; C band RADARSAT-2 fully polarimetric (fine quad-polarization mode, HH+VV+HV+VH) synthetic aperture radar (SAR) images are used to validate ocean surface waves measurements using the polarimetric SAR wave retrieval algorithm, without estimating the complex hydrodynamic modulation transfer function, even under large radar incidence angles. The linearly polarized radar backscatter cross sections (RBCS) are first calculated with the copolarization (HH, VV) and cross-polarization (HV, VH) RBCS and the polarization orientation angle. Subsequently, in the azimuth direction, the vertically and linearly polarized RBCS are used to measure the wave slopes. In the range direction, we combine horizontally and vertically polarized RBCS to estimate wave slopes. Taken together, wave slope spectra can be derived using estimated wave slopes in azimuth and range directions. Wave parameters extracted from the resultant wave slope spectra are validated with colocated National Data Buoy Center (NDBC) buoy measurements (wave periods, wavelengths, wave directions, and significant wave heights) and are shown to be in good agreement.
关键词	Synthetic-aperture Radar Image Cross-spectra Inversion Slopes
学科领域	Oceanography
DOI	10.1029/2009JC005887
URL	查看原文
收录类别	SCI
语种	英语
WOS记录号	WOS:000279524900005
引用统计	被引频次：32[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.qdio.ac.cn/handle/337002/1781
专题	海洋环流与波动重点实验室
通讯作者	Zhang, BA, Fisheries & Oceans Canada, Bedford Inst Oceanog, 1 Challenger Dr,POB 1006, Dartmouth, NS B2Y 4A2, Canada
作者单位	1.Fisheries & Oceans Canada, Bedford Inst Oceanog, Dartmouth, NS B2Y 4A2, Canada 2.Chinese Acad Sci, Inst Oceanol, Qingdao 266071, Peoples R China 3.Chinese Acad Sci, Key Lab Ocean Circulat & Waves, Qingdao 266071, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Biao,Perrie, Will,He, Yijun,et al. Validation of RADARSAT-2 fully polarimetric SAR measurements of ocean surface waves[J]. JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,2010,115:C06031.
APA	Zhang, Biao,Perrie, Will,He, Yijun,&Zhang, BA, Fisheries & Oceans Canada, Bedford Inst Oceanog, 1 Challenger Dr,POB 1006, Dartmouth, NS B2Y 4A2, Canada.(2010).Validation of RADARSAT-2 fully polarimetric SAR measurements of ocean surface waves.JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS,115,C06031.
MLA	Zhang, Biao,et al."Validation of RADARSAT-2 fully polarimetric SAR measurements of ocean surface waves".JOURNAL OF GEOPHYSICAL RESEARCH-OCEANS 115(2010):C06031.

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