气候变化领域集成服务门户(CCPortal): Evaluating plant photosynthetic traits via absorption coefficient in the photosynthetically active radiation region

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DOI	10.1016/j.rse.2021.112401
	Evaluating plant photosynthetic traits via absorption coefficient in the photosynthetically active radiation region
	Gitelson A.; Arkebauer T.; Viña A.; Skakun S.; Inoue Y.
发表日期	2021
ISSN	00344257
卷号	258
英文摘要	Absorption of radiation in the photosynthetically active radiation (PAR) region is significantly influenced by plant biochemistry, structural properties, and photosynthetic pathway. To understand and quantify the effects of these traits on absorbed PAR it is necessary to develop practical and reliable tools that are sensitive to these traits. Using a semi-analytical modeling framework for deriving the absorption coefficient of plant canopies from reflectance spectra, we quantify the effects of functional, structural and biochemical traits of vegetation on the relationship between the absorption coefficient in the PAR region (αpar) with canopy characteristics such as the fraction of PAR absorbed by photosynthetically active vegetation (fAPARgreen) and chlorophyll (Chl) content. The reflectance dataset used in the study included simulated data obtained from a canopy reflectance model (PROSAIL) and empirical data on three diverse crop species with different leaf structures, canopy architectures and photosynthetic pathways (rice, maize and soybean) acquired at proximal (i.e., using field spectroradiometers) and remote (i.e., Landsat TM and ETM+) distances. Results show the usefulness of αpar derived from reflectance data for assessing not only the photosynthetic status of vegetation, but also the effects of different functional, structural and biochemical traits on plant performance. Furthermore, these assessments can be made using data acquired by satellite sensor systems such as the Landsat series, which are available since the 1980s, thus facilitating the analysis of the photosynthetic status of terrestrial ecosystems throughout the world with a high temporal depth. © 2021 Elsevier Inc.
英文关键词	Absorption coefficient; Chlorophyll; PAR region; Photosynthetically active radiation
语种	英语
scopus关键词	Radiation effects; Reflection; Vegetation; Absorption co-efficient; Biochemical traits; Functional traits; LANDSAT; Photosynthetic pathways; Photosynthetic traits; Photosynthetically active radiation; Photosynthetically active radiation region; Property; Semi-analytical model; Chlorophyll; absorption coefficient; analytical method; canopy reflectance; Landsat; Landsat thematic mapper; maize; photosynthesis; photosynthetically active radiation; phytochemistry; plant; plant architecture; rice; satellite data; soybean; Glycine max
来源期刊	Remote Sensing of Environment
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/178875
作者单位	School of Natural Resources, University of Nebraska-Lincoln, Lincoln, NE 68583, United States; Israel Institute of Technology (Technion), Haifa, 3200003, Israel; Department of Agronomy and Horticulture, University of Nebraska-Lincoln, Lincoln, NE 68583, United States; Center for Systems Integration and Sustainability, Department of Fisheries and Wildlife, Michigan State University, Lansing, MI 48823, United States; Geography Department, University of North Carolina, Chapel Hill, NC 27599, United States; Department of Geographical Sciences, University of Maryland, 1153 LeFrak Hall, College ParkMD 20742, United States; Graduate School of Engineering, The University of Tokyo, Tokyo, 113-8656, Japan
推荐引用方式 GB/T 7714	Gitelson A.,Arkebauer T.,Viña A.,et al. Evaluating plant photosynthetic traits via absorption coefficient in the photosynthetically active radiation region[J],2021,258.
APA	Gitelson A.,Arkebauer T.,Viña A.,Skakun S.,&Inoue Y..(2021).Evaluating plant photosynthetic traits via absorption coefficient in the photosynthetically active radiation region.Remote Sensing of Environment,258.
MLA	Gitelson A.,et al."Evaluating plant photosynthetic traits via absorption coefficient in the photosynthetically active radiation region".Remote Sensing of Environment 258(2021).