气候变化领域集成服务门户(CCPortal): On the Covariation of Chlorophyll Fluorescence and Photosynthesis Across Scales

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DOI	10.1029/2020GL091098
	On the Covariation of Chlorophyll Fluorescence and Photosynthesis Across Scales
	Magney T.S.; Barnes M.L.; Yang X.
发表日期	2020
ISSN	0094-8276
卷号	47 期号:23
英文摘要	Recent advances in remote sensing of solar-induced chlorophyll fluorescence (SIF) have garnered wide interest from the biogeoscience and Earth system science communities, due to the observed linearity between SIF and gross primary productivity (GPP) at increasing spatiotemporal scales. Three recent studies, Maguire et al., (2020, https://doi.org/10.1029/2020GL087858), He et al. (2020, https://doi.org/10.1029/2020GL087474), and Marrs et al. (2020, https://doi.org/10.1029/2020GL087956) highlight a nonlinear relationship between fluorescence and photochemical yields and show empirical evidence for the decoupling of SIF, stomata, and the carbon reactions of photosynthesis. Such mechanistic studies help advance our understanding of what SIF is and what it is not. We argue that these findings are not necessarily contradictory to the linear SIF-GPP relationship observed at the satellite scale and provide context for where, when, and why fluorescence and photosynthesis diverge at smaller spatiotemporal scales. Understanding scale dependencies of remote sensing data is crucial for interpreting SIF as a proxy for GPP. ©2020. American Geophysical Union. All Rights Reserved.
语种	英语
来源期刊	Geophysical Research Letters
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/169373
作者单位	Department of Plant Sciences, University of California, Davis, CA, United States; O'Neill School of Public and Environmental Affairs, Indiana University, Bloomington, IN, United States; Department of Environmental Sciences, University of Virginia, Charlottesville, VA, United States
推荐引用方式 GB/T 7714	Magney T.S.,Barnes M.L.,Yang X.. On the Covariation of Chlorophyll Fluorescence and Photosynthesis Across Scales[J],2020,47(23).
APA	Magney T.S.,Barnes M.L.,&Yang X..(2020).On the Covariation of Chlorophyll Fluorescence and Photosynthesis Across Scales.Geophysical Research Letters,47(23).
MLA	Magney T.S.,et al."On the Covariation of Chlorophyll Fluorescence and Photosynthesis Across Scales".Geophysical Research Letters 47.23(2020).