High-resolution lidar fluorescence spectra for the characterization of phytoplankton

Iacopo Mochi; Marco Bazzani; Giovanna Cecchi; Costanza Cucci; David Lognoli; Luca Pantani; Valentina Raimondi; Daniele Tirelli; Giancarlo Valmori; Marinella Abbate; Sonia Fontani

doi:10.1117/12.463111

14 February 2003 High-resolution lidar fluorescence spectra for the characterization of phytoplankton

Iacopo Mochi, Marco Bazzani, Giovanna Cecchi, Costanza Cucci, David Lognoli, Luca Pantani, Valentina Raimondi, Daniele Tirelli, Giancarlo Valmori, Marinella Abbate, Sonia Fontani

Author Affiliations +

Proceedings Volume 4880, Remote Sensing of the Ocean and Sea Ice 2002; (2003) https://doi.org/10.1117/12.463111
Event: International Symposium on Remote Sensing, 2002, Crete, Greece

Abstract

The Laser Induced Fluorescence (LIF) technique has been widely employed for the study and the monitoring of the phytoplanktonic population in the marine environment. Herein a method for the characterization of different phytoplanktonic species by means of a high spectral resolution lidar fluorosensor is presented. The method is based on the detection of the changes in the peak position of the fluorescence of the chlorophyll a that is contained in all phytoplanktonic species. These changes are probably due to the proteic compounds that are present together with the chlorophyll in the thylakoid membranes within the chloroplasts and that vary with the phytoplanktonic species. The main advantage is that this method does not require the presence of characteristic fluorescence features of other light harvesting pigments, such as carotenoids or phycobilines, so that it can be used also with species where only chlorophyll fluorescence is present. Moreover, the light harvesting pigments usually show a weak fluorescence because of the strong resonant coupling between them.

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Iacopo Mochi, Marco Bazzani, Giovanna Cecchi, Costanza Cucci, David Lognoli, Luca Pantani, Valentina Raimondi, Daniele Tirelli, Giancarlo Valmori, Marinella Abbate, and Sonia Fontani "High-resolution lidar fluorescence spectra for the characterization of phytoplankton", Proc. SPIE 4880, Remote Sensing of the Ocean and Sea Ice 2002, (14 February 2003); https://doi.org/10.1117/12.463111

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