The Response of Canopy Direction Reflectance Spectrum for the Wheat Vertical Leaf Distributing

doi:10.1166/sl.2011.1383

	The Response of Canopy Direction Reflectance Spectrum for the Wheat Vertical Leaf Distributing
	Xiao, Chunhua 1,2; Li, Shaokun 1,2; Wang, Keru 1,2; Lu, Yanli 2; Bai, Junhua 2; Xie, Ruizhi 2; Gao, Shiju 2; Li, Xiaojun 2; Tan, Haizhen 1,2; Wang, Qiong 1
刊名	SENSOR LETTERS
	2011
卷号	9 期号:3 页码:1069-1074
关键词	Wheat Canopy Leaf Distribute Direction Spectral View Angle
ISSN号	1546-198X
DOI	10.1166/sl.2011.1383
通讯作者	Xiao, Chunhua
英文摘要	The accurate information access and analysis of crop canopy are the basis of quantitative research on crop information. This experiment was conducted using two winter-wheat (Triticum aestivum) cultivars P7 (leaf erect) and ZY9844 (leaf horizontal). The wheat canopy direction spectral reflectance over 350-2500 nm with view angles of 0 degrees, 30 degrees, 60 degrees, 90 degrees, 120 degrees, 150 degrees and 180 degrees to the vertical line to wheat row were measured, using delamination slice method from underlayer of the wheat canopy to upside, and compared the direction spectral characteristic of removing difference leaf layer. The result showed that the spectral characteristics were varied in 300-700, 800-1300, 1400-1800 nm wave bands because of wiping off leaves layers and different view angle, the change of visible wave bands was less near infrared wave bands. Compared with the traditional 90 view angle measured, the spectral information of under leaves were more at 30 degrees and 60 degrees view angle than that of angles, that of upper leaves at 0 degrees view angle were more. For two wheat, the spectral influence of ZY9844 upper leaves at 0 degrees view angle were less than that of P7. The upper leaves of lax leaves plant-type wheat capture much radiation because the upper leaves were horizontal, the proportion of upwards lay was bigger than that of downwards; the erect leaves plant-type was opposite. The canopy spectral information was effected by the observation angles. It is a method to improve crop canopy spectral estimation precision that changed the measured angle for different canopy structure.
学科主题	Chemistry, Analytical ; Electrochemistry ; Instruments & Instrumentation ; Physics, Applied ; CHEMISTRY, ANALYTICAL ; ELECTROCHEMISTRY ; INSTRUMENTS & INSTRUMENTATION ; PHYSICS, APPLIED
语种	英语
出版者	AMER SCIENTIFIC PUBLISHERS
WOS记录号	WOS:000293874100019
内容类型	期刊论文
源URL	[http://111.203.20.206/handle/2HMLN22E/5312]
专题	作物科学研究所_栽培生理学系
作者单位	1.Ctr Crop High Yield Res, Key Lab Oasis Ecol Agr Xinjiang Construct Crop, Shihezi 832003, Xinjiang, Peoples R China 2.Chinese Acad Agr Sci, Inst Crop Sci, Natl Key Facil Crop Gene Resources & Genet Improv, NFCRI, Beijing 100081, Peoples R China
推荐引用方式 GB/T 7714	Xiao, Chunhua,Li, Shaokun,Wang, Keru,et al. The Response of Canopy Direction Reflectance Spectrum for the Wheat Vertical Leaf Distributing[J]. SENSOR LETTERS,2011,9(3):1069-1074.
APA	Xiao, Chunhua.,Li, Shaokun.,Wang, Keru.,Lu, Yanli.,Bai, Junhua.,...&Wang, Qiong.(2011).The Response of Canopy Direction Reflectance Spectrum for the Wheat Vertical Leaf Distributing.SENSOR LETTERS,9(3),1069-1074.
MLA	Xiao, Chunhua,et al."The Response of Canopy Direction Reflectance Spectrum for the Wheat Vertical Leaf Distributing".SENSOR LETTERS 9.3(2011):1069-1074.