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FluorMODleaf: A new leaf fluorescence emission model based on the PROSPECT model

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FluorMODleaf: A new leaf fluorescence emission model based on the PROSPECT model

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dc.contributor.author	Pedrós Esteban, Roberto
dc.contributor.author	Goulas, Yves
dc.contributor.author	Jacquemoud, Stéphane
dc.contributor.author	Louis, J.
dc.contributor.author	Moya, Ismael
dc.date.accessioned	2017-10-23T14:14:23Z
dc.date.available	2017-10-23T14:14:23Z
dc.date.issued	2010
dc.identifier.citation	Pedrós Esteban, Roberto Goulas, Yves Jacquemoud, Stéphane Louis, J. Moya, Ismael 2010 FluorMODleaf: A new leaf fluorescence emission model based on the PROSPECT model Remote Sensing of Environment 114 1 155 167
dc.identifier.uri	http://hdl.handle.net/10550/62871
dc.description.abstract	A new model of chlorophyll a fluorescence emission by plant leaves, FluorMODleaf, is presented. It is an extension of PROSPECT, a widely used leaf optical properties model that regards the leaf as a pile of N absorbing and diffusing elementary plates. In FluorMODleaf, fluorescence emission of an infinitesimal layer of thickness dx is integrated over the entire elementary plate. The fluorescence source function is based on the excitation spectrum of diluted isolated thylakoids and on the emission spectra of isolated photosystems, PSI and PSII, which are the main pigment-protein complexes involved in the initial stages of photosynthesis. Scattering within the leaf is produced by multiple reflections within and between elementary plates. The input variables of FluorMODleaf are: the number of elementary plates N, also called leaf structure parameter, the total chlorophyll content Cab, the total carotenoid content Ccx, the equivalent water thickness Cw, and the dry matter content Cm (or leaf mass per area), as in the new PROSPECT-5, plus the σII/σI ratio referring to the relative absorption cross section of PSI and PSII, and the fluorescence quantum efficiency of PSI and PSII, τI and τII, that are introduced here as mean fluorescence lifetimes. The model, which considers the reabsorption of emitted light within the leaf, allows good quantitative estimation of both upward and downward apparent spectral fluorescence yield (ASFY) at different excitation wavelengths from 400 nm to 700 nm. It also emphasizes the role of scattering in fluorescence emission by leaves having high chlorophyll content.
dc.language.iso	eng
dc.relation.ispartof	Remote Sensing of Environment, 2010, vol. 114, num. 1, p. 155-167
dc.subject	Fluorescència
dc.subject	Teledetecció
dc.title	FluorMODleaf: A new leaf fluorescence emission model based on the PROSPECT model
dc.type	journal article	es_ES
dc.date.updated	2017-10-23T14:14:24Z
dc.identifier.doi	10.1016/j.rse.2009.08.019
dc.identifier.idgrec	053112
dc.rights.accessRights	open access	es_ES