Hyperspectral indices for leaf and pixel chlorophyll estimation in open-canopy tree - art. no. 675222

CORC > 新疆生态与地理研究所 > 中国科学院新疆生态与地理研究所 > 中国科学院新疆生态与地理研究所(2010年以前数据)

	Hyperspectral indices for leaf and pixel chlorophyll estimation in open-canopy tree - art. no. 675222
	Zhao ; Jin ; Chen ; Xi ; Japper ; Guli ; Chang ; Huaitian ; Ma ; Zhongguo ; Duan ; Yuanbin
	2007
会议名称	15th International Conference on Geoinformatics
会议日期	MAY 25-27, 2007
会议地点	Nanjing, PEOPLES R CHINA
关键词	VEGETATION INDEXES RED EDGE SPECTRAL REFLECTANCE SUNFLOWER LEAVES BROAD-BAND MODEL CORN PREDICTION GREEN
页码	75222-75222
通讯作者	CAS, Xinjiang Inst Ecol & Geog, Urumqi 830011, Xinjiang, Peoples R China
中文摘要	In this paper, the goal is to found indices; best for Cab estimation with leaves and heperion pixels. There are several indices chosen, which showed best results for Cab estimation at both leaf and canopy levels in other studies. Forty-eight typical leaves were sampled in middle and lower reach of the Tarim River, Xinjiang, China. Leaf reflectance and Chlorophyll of leaves collected. Result demonstrated that Indices such as red edge and derivative indices R750/R710, R740/R720, (R734-R747)/(R715+R720), Blog(1/R737), D715/D705,(R734-R747)/(R715+R726), (R694-R680)/(R732-R760) were shown to be the good indicators for Cab estimation at leaf. Hyperion data were acquired for Aqike section in the middle reaches of the Tarim River in Nine 28, 2006. Field data were collected at same day to coincide with the Hyperion, including Chlorophyll of each tree, LAI, green vegetation cover. LAI derived from scanopy 2006. Inventory field plots were 120mx120m quadrants, and Chlorophyll of pixel is deduced from field data of 360 trees. Generally good results are found for Cab estimation at pixel level with indices such as, (R734-R747)/(R715+R726), Blog(1/R737), (R694-R680)/(R732-R760), TCARI, TCARI/OSAVI, MCARI/OSAVI and so on. It was found that (R734-R747)/(R715+R720), Blog(1/R737), D715/D705, (R734-R747)/(R715+R726), (R694-R680)/(R732-R760),R740/R720 were successfully test on leaves and piexls. On the other hand, the "modified" indices (TCARI, MCAVI, TCARI/OSAVI, MCARI/OSAVI) already give good results at. the piexl level.
收录类别	ISTP
会议录	GEOINFORMATICS 2007: REMOTELY SENSED DATA AND INFORMATION, PTS 1 AND 2
ISSN号	0277-786X
ISBN号	978-0-8194-6912-0
内容类型	会议论文
源URL	[http://ir.xjlas.org/handle/365004/10962]
专题	新疆生态与地理研究所_中国科学院新疆生态与地理研究所(2010年以前数据)
推荐引用方式 GB/T 7714	Zhao,Jin,Chen,et al. Hyperspectral indices for leaf and pixel chlorophyll estimation in open-canopy tree - art. no. 675222[C]. 见:15th International Conference on Geoinformatics. Nanjing, PEOPLES R CHINA. MAY 25-27, 2007.