Models of fluorescence and photosynthesis for interpreting measurements of solar-induced chlorophyll fluorescence

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dc.contributor.authorvan der Tol, C.
dc.contributor.authorBerry, J. A.
dc.contributor.authorCampbell, Petya Entcheva
dc.contributor.authorRascher, U.
dc.date.accessioned2023-07-11T15:59:30Z
dc.date.available2023-07-11T15:59:30Z
dc.date.issued2014-11-19
dc.description.abstractWe have extended a conventional photosynthesis model to simulate field and laboratory measurements of chlorophyll fluorescence at the leaf scale. The fluorescence paramaterization is based on a close nonlinear relationship between the relative light saturation of photosynthesis and nonradiative energy dissipation in plants of different species. This relationship diverged only among examined data sets under stressed (strongly light saturated) conditions, possibly caused by differences in xanthophyll pigment concentrations. The relationship was quantified after analyzing data sets of pulse amplitude modulated measurements of chlorophyll fluorescence and gas exchange of leaves of different species exposed to different levels of light, CO₂, temperature, nitrogen fertilization treatments, and drought. We used this relationship in a photosynthesis model. The coupled model enabled us to quantify the relationships between steady state chlorophyll fluorescence yield, electron transport rate, and photosynthesis in leaves under different environmental conditions.en_US
dc.description.sponsorshipWe are grateful to Jaume Flexas for providing data on the drought experiments and to A. Moersch for collecting the tobacco data. The comments of two reviewers, the Associate Editor, and Ari Kornfeld helped to greatly improve this paper. We acknowledge the support and participation of E. Middleton and M. P. Cendrero-Mateo for the collection of maize (Zea mays, L.) leaf measurements and the collaborative NASA/USDA research effort “Spectral Bio-Indicators of Ecosystem Photosynthetic Efficiency II: Synthesis and Integration” (PI E. Middleton) and NASA's Terrestrial Ecology program, which enabled the collection. This study was initiated at a workshop supported by the Keck Institute for Space Studies. The research was in part funded by a grant from the Dutch User Support Programme Space Research (ALW-GO/13-32).en_US
dc.description.urihttps://agupubs.onlinelibrary.wiley.com/doi/full/10.1002/2014JG002713en_US
dc.format.extent16 pagesen_US
dc.genrejournal articlesen_US
dc.identifierdoi:10.13016/m2tni1-9kss
dc.identifier.citationVan der Tol, C., Berry, J. A., E. Campbell, P. K., and Rascher, U. (2014), Models of fluorescence and photosynthesis for interpreting measurements of solar-induced chlorophyll fluorescence, J. Geophys. Res. Biogeosci., 119, 2312– 2327, doi:10.1002/2014JG002713.en_US
dc.identifier.urihttps://doi.org/10.1002/2014JG002713
dc.identifier.urihttp://hdl.handle.net/11603/28578
dc.language.isoen_USen_US
dc.publisherAGUen_US
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Joint Center for Earth Systems Technology
dc.relation.ispartofUMBC Faculty Collection
dc.relation.ispartofUMBC Geography and Environmental Systems Department
dc.relation.ispartofUMBC GESTAR II
dc.rightsThis item is likely protected under Title 17 of the U.S. Copyright Law. Unless on a Creative Commons license, for uses protected by Copyright Law, contact the copyright holder or the author.en_US
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)*
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.titleModels of fluorescence and photosynthesis for interpreting measurements of solar-induced chlorophyll fluorescenceen_US
dc.typeTexten_US
dcterms.creatorhttps://orcid.org/0000-0002-0505-4951en_US

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