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Chlorophyll fluorescence emission spectrum inside a leaf

Abstract : Chlorophyll a fluorescence can be used as an early stress indicator. Fluorescence is also connected to photosynthesis so it can be proposed for global monitoring of vegetation status from a satellite platform. Nevertheless, the correct interpretation of fluorescence requires accurate physical models. The spectral shape of the leaf fluorescence free of any re-absorption effect plays a key role in the models and is difficult to measure. We present a vegetation fluorescence emission spectrum free of re-absorption based on a combination of measurements and modelling. The suggested spectrum takes into account the photosystem I and II spectra and their relative contribution to fluorescence, This emission spectrum is applicable to describe vegetation fluorescence in biospectroscopy and remote sensing
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Submitted on : Tuesday, June 2, 2020 - 8:55:35 AM
Last modification on : Wednesday, July 6, 2022 - 2:40:26 PM

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Roberto Pedrós, Ismael Moya, Yves Goulas, Stéphane Jacquemoud. Chlorophyll fluorescence emission spectrum inside a leaf. Photochemical & Photobiological Sciences , Springer, 2008, 7 (4), pp.498. ⟨10.1039/b719506k⟩. ⟨insu-02732919⟩



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