Remote estimation of the fraction of absorbed photosynthetically active radiation for a maize canopy in Northeast China

doi:10.1093/jpe/rtu027

	Remote estimation of the fraction of absorbed photosynthetically active radiation for a maize canopy in Northeast China
	Zhang, Feng ; Zhou, Guangsheng 1; Nilsson, Christer 2
	2015
发表期刊	JOURNAL OF PLANT ECOLOGY
ISSN	1752-9921
卷号	8 期号:4 页码:429-435
摘要	Aims Accurate remote estimation of the fraction of absorbed photosynthetically active radiation (fAPAR) is essential for the light use efficiency (LUE) models. Currently, one challenge for the LUE models is lack of knowledge about the relationship between fAPAR and the normalized difference vegetation index (NDVI). Few studies have tested this relationship against field measurements and evaluated the accuracy of the remote estimation method. This study aimed to reveal the empirical relationship between NDVI and fAPAR and to improve algorithms for remote estimation of fAPAR. Methods To investigate the method of remote estimation of fAPAR seasonal dynamics, the CASA (Carnegie-Ames-Stanford Approach) model and spectral vegetation indices (VIs) were used for in situ measurements of spectral reflectance and fAPAR during the growing season of a maize canopy in Northeast China. Important Findings The results showed that the fAPAR increased rapidly with the day of year during the vegetative stage, it remained relatively stable at the stage of reproduction, and finally decreased slowly during the senescence stage. In addition, fAPAR(green) [fAPAR(green) = fAPAR x (green LAI/green LAI(max))] showed clearer seasonal trends than fAPAR. The NDVI, red-edge NDVI, wide dynamic range vegetation index, red-edge position (REP) and REP with Sentinel-2 bands derived from hyperspectral remote sensing data were all significantly positively related to fAPAR(green) during the entire growing season. In a comparison of the predictive performance of VIs for the whole growing season, REP was the most appropriate spectral index, and can be recommended for monitoring seasonal dynamics of fAPAR in a maize canopy.
关键词	fraction of absorbed photosynthetically active radiation hyperspectral remote sensing maize canopy spectral vegetation indices
学科领域	Plant Sciences ; Ecology ; Forestry
DOI	10.1093/jpe/rtu027
收录类别	SCI
语种	英语
WOS关键词	SPECTRAL VEGETATION INDEXES ; NET PRIMARY PRODUCTIVITY ; GROSS PRIMARY PRODUCTION ; REFLECTANCE RED EDGE ; CHLOROPHYLL CONTENT ; SOIL RESPIRATION ; SATELLITE ; EFFICIENCY ; INDICATOR ; CARBON
WOS研究方向	Science Citation Index Expanded (SCI-EXPANDED)
WOS记录号	WOS:000359662400010
出版者	OXFORD UNIV PRESS
文献子类	Article
出版地	OXFORD
EISSN	1752-993X
资助机构	National Natural Science Foundation of China [41330531] ; R&D Special Fund for Public Welfare Industry (Meteorology) Project [GYHY201106027] ; State Key Development Program of Basic Research [2010CB951303]
作者邮箱	gszhou@ibcas.ac.cn
作品OA属性	Bronze
引用统计	被引频次：20[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ibcas.ac.cn/handle/2S10CLM1/25804
专题	植被与环境变化国家重点实验室
作者单位	1.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China 2.Chinese Acad Meteorol Sci, Beijing 100081, Peoples R China 3.Umea Univ, Dept Ecol & Environm Sci, Landscape Ecol Grp, SE-90187 Umea, Sweden
推荐引用方式 GB/T 7714	Zhang, Feng,Zhou, Guangsheng,Nilsson, Christer. Remote estimation of the fraction of absorbed photosynthetically active radiation for a maize canopy in Northeast China[J]. JOURNAL OF PLANT ECOLOGY,2015,8(4):429-435.
APA	Zhang, Feng,Zhou, Guangsheng,&Nilsson, Christer.(2015).Remote estimation of the fraction of absorbed photosynthetically active radiation for a maize canopy in Northeast China.JOURNAL OF PLANT ECOLOGY,8(4),429-435.
MLA	Zhang, Feng,et al."Remote estimation of the fraction of absorbed photosynthetically active radiation for a maize canopy in Northeast China".JOURNAL OF PLANT ECOLOGY 8.4(2015):429-435.

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