A Novel Integrated Algorithm for Wind Vector Retrieval from Conically   Scanning Scatterometers

doi:10.3390/rs5126180

CORC > 北京大学 > 地球与空间科学学院

	A Novel Integrated Algorithm for Wind Vector Retrieval from Conically Scanning Scatterometers
	Xie, Xuetong ; Huang, Zhou ; Lin, Mingsen ; Chen, Kehai ; Lan, Youguo ; Yuan, Xinzhe ; Ye, Xiaomin ; Zou, Juhong
刊名	remote sens basel
	2013
关键词	conically scanning scatterometer wind vector retrieval wind speed standard deviation wind direction extension A SATELLITE SCATTEROMETER RADAR CROSS-SECTION MODEL FUNCTION OCEAN SEASAT INVERSION SPECTRUM NSCAT GHZ
DOI	10.3390/rs5126180
英文摘要	Due to the lower efficiency and the larger wind direction error of traditional algorithms, a novel integrated wind retrieval algorithm is proposed for conically scanning scatterometers. The proposed algorithm has the dual advantages of less computational cost and higher wind direction retrieval accuracy by integrating the wind speed standard deviation (WSSD) algorithm and the wind direction interval retrieval (DIR) algorithm. It adopts wind speed standard deviation as a criterion for searching possible wind vector solutions and retrieving a potential wind direction interval based on the change rate of the wind speed standard deviation. Moreover, a modified three-step ambiguity removal method is designed to let more wind directions be selected in the process of nudging and filtering. The performance of the new algorithm is illustrated by retrieval experiments using 300 orbits of SeaWinds/QuikSCAT L2A data (backscatter coefficients at 25 km resolution) and co-located buoy data. Experimental results indicate that the new algorithm can evidently enhance the wind direction retrieval accuracy, especially in the nadir region. In comparison with the SeaWinds L2B Version 2 25 km selected wind product (retrieved wind fields), an improvement of 5.1 degrees in wind direction retrieval can be made by the new algorithm for that region.; Remote Sensing; SCI(E); EI; 0; ARTICLE; 12; 6180-6197; 5
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/390690]
专题	地球与空间科学学院
推荐引用方式 GB/T 7714	Xie, Xuetong,Huang, Zhou,Lin, Mingsen,et al. A Novel Integrated Algorithm for Wind Vector Retrieval from Conically Scanning Scatterometers[J]. remote sens basel,2013.
APA	Xie, Xuetong.,Huang, Zhou.,Lin, Mingsen.,Chen, Kehai.,Lan, Youguo.,...&Zou, Juhong.(2013).A Novel Integrated Algorithm for Wind Vector Retrieval from Conically Scanning Scatterometers.remote sens basel.
MLA	Xie, Xuetong,et al."A Novel Integrated Algorithm for Wind Vector Retrieval from Conically Scanning Scatterometers".remote sens basel (2013).