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Evaluation of gross primary production (GPP) variability over several ecosystems in Switzerland using sun-induced chlorophyll fluorescence derived from APEX data


Damm, Alexander; Kneubühler, Mathias; Schaepman, Michael E; Rascher, Uwe (2012). Evaluation of gross primary production (GPP) variability over several ecosystems in Switzerland using sun-induced chlorophyll fluorescence derived from APEX data. In: Geoscience and Remote Sensing Symposium (IGARSS), 2012 IEEE International, Munich, Germany, 22 July 2012 - 27 July 2012, 7133-7136.

Abstract

Plant photosynthesis mediates about 60Gt of the carbon uptake by vegetated ecosystems and is considered to be a critical component of the terrestrial carbon cycle. Photosynthesis is, however, a highly adaptive process and lack of knowledge on its dynamic causes uncertainties in current carbon budgets. New remote sensing approaches allow measuring the chlorophyll fluorescence signal (FS) and hold the potential to directly assess ecosystem photosynthesis and related carbon assimilation rates (i.e., gross primary production (GPP)).

Abstract

Plant photosynthesis mediates about 60Gt of the carbon uptake by vegetated ecosystems and is considered to be a critical component of the terrestrial carbon cycle. Photosynthesis is, however, a highly adaptive process and lack of knowledge on its dynamic causes uncertainties in current carbon budgets. New remote sensing approaches allow measuring the chlorophyll fluorescence signal (FS) and hold the potential to directly assess ecosystem photosynthesis and related carbon assimilation rates (i.e., gross primary production (GPP)).

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Additional indexing

Item Type:Conference or Workshop Item (Paper), not refereed, original work
Communities & Collections:07 Faculty of Science > Institute of Geography
Dewey Decimal Classification:910 Geography & travel
Language:English
Event End Date:27 July 2012
Deposited On:05 Dec 2012 16:28
Last Modified:07 Aug 2017 07:55
Publisher:IEEE International
ISBN:978-1-4673-1160-1
Free access at:Publisher DOI. An embargo period may apply.
Publisher DOI:https://doi.org/10.1109/IGARSS.2012.6352018

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