[752] - CEFLES2: The remote sensing component to quantify photosynthetic efficiency from the leaf to the region by measuring sun-induced fluorescence in the oxygen absorption bands

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Rascher, U., Agati, G., Alonso, L., Cecchi, G., Champagne, S., Colombo, R., Damm, A., Daumard, F., de Miguel, E., Fernandez, G., Franch, B., Franke, J., Gerbig, C., Gioli, B., Gomez, J. A., Goulas, Y., Guanter, L., Gutierrez-de-la-Camara, O., Hamdi, K., Hostert, P., Jimenez, M., Kosvancova, M., Lognoli, D., Meroni, M., Miglietta, F., Moersch, A., Moreno, J. F., Moya, I., Neininger, B., Okujeni, A., Ounis, A., Palombi, L., Raimondi, V., Schickling, A., Sobrino, J. A., Stellmes, M., Toci, G., Toscano, P., Udelhoven, K., van der Linden, S., Zaldei, A., 2009. CEFLES2: The remote sensing component to quantify photosynthetic efficiency from the leaf to the region by measuring sun-induced fluorescence in the oxygen absorption bands. Biogeosciences, 6, 1181 - 1198. DOI: 10.5194/bg-6-1181-2009.
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Title(s):Main Title: CEFLES2: The remote sensing component to quantify photosynthetic efficiency from the leaf to the region by measuring sun-induced fluorescence in the oxygen absorption bands
Description(s):Abstract: The CEFLES2 campaign during the Carbo Europe Regional Experiment Strategy was designed to provide simultaneous airborne measurements of solar induced fluorescence and CO2 fluxes. It was combined with extensive ground-based quantification of leaf- and canopy-level processes in support of ESA’s Candidate Earth Explorer Mission of the “Fluorescence Explorer” (FLEX). The aim of this campaign was to test if fluorescence signal detected from an airborne platform can be used to improve estimates of plant mediated exchange on the mesoscale. Canopy fluorescence was quantified from four airborne platforms using a combination of novel sensors: (i) the prototype airborne sensor AirFLEX quantified fluorescence in the oxygen A and B bands, (ii) a hyperspectral spectrometer (ASD) measured reflectance along transects during 12 day courses, (iii) spatially high resolution georeferenced hyperspectral data cubes containing the whole optical spectrum and the thermal region were gathered with an AHS sensor, and (iv) the first employment of the high performance imaging spectrometer HYPER delivered spatially explicit and multi-temporal transects across the whole region. During three measurement periods in April, June and September 2007 structural, functional and radiometric characteristics of more than 20 different vegetation types in the Les Landes region, Southwest France, were extensively characterized on the ground. The campaign concept focussed especially on quantifying plant mediated exchange processes (photosynthetic electron transport, CO2 uptake, evapotranspiration) and fluorescence emission. The comparison between passive sun-induced fluorescence and active laser-induced fluorescence was performed on a corn canopy in the daily cycle and under desiccation stress. Both techniques show good agreement in detecting stress induced fluorescence change at the 760 nm band. On the large scale, airborne and ground-level measurements of fluorescence were compared on several vegetation types supporting the scaling of this novel remote sensing signal. The multi-scale design of the four airborne radiometric measurements along with extensive ground activities fosters a nested approach to quantify photosynthetic efficiency and gross primary productivity (GPP) from passive fluorescence.
Identifier(s):DOI: 10.5194/bg-6-1181-2009
Responsible Party
Creator(s):Author: Uwe Rascher
Author: Giovanni Agati
Author: Luis Alonso
Author: Giovanna Cecchi
Author: S. Champagne
Author: Roberto Colombo
Author: Alexander Damm
Author: Fabrice Daumard
Author: Eduardo de Miguel
Author: G. Fernandez
Author: Belen Franch
Author: Jonas Franke
Author: Christoph Gerbig
Author: Beniamino Gioli
Author: Jose Antonio Gomez
Author: Yves Goulas
Author: Luis Guanter
Author: Oscar Gutierrez-de-la-Camara
Author: Kaya Hamdi
Author: Patrick Hostert
Author: Marcos Jimenez
Author: M. Kosvancova
Author: David Lognoli
Author: Michele Meroni
Author: Francesco Miglietta
Author: A. Moersch
Author: Jose F. Moreno
Author: Ismael Moya
Author: Bruno Neininger
Author: Akpona Okujeni
Author: A. Ounis
Author: Lorenzo Palombi
Author: Valentina Raimondi
Author: Anke Schickling
Author: Jose Antoni Sobrino
Author: Marion Stellmes
Author: Guido Toci
Author: Piero Toscano
Author: Krischan Udelhoven
Author: Sebastian van der Linden
Author: Alessandro Zaldei
Publisher:European Geosciences Union
TR32 Topic:Remote Sensing
Subject(s):CRC/TR32 Keywords: Remote Sensing, Photosynthetic Efficiency
File Details
File Name:2009_Rascher_Biogeosciences.pdf
Data Type:Text
Size(s):18 Pages
File Size:10855 kB (10.601 MB)
Date(s):Date Accepted: 2009-06-21
Issued: 2009-07-17
Mime Type:application/pdf
Data Format:PDF
Download Permission:OnlyTR32
General Access and Use Conditions:For internal use only
Access Limitations:For internal use only
Licence:TR32DB Data policy agreement
North:-no map data
Measurement Region:Other
Measurement Location:--Other--
Specific Informations - Publication
Article Type:Journal
Number Of Pages:18
Page Range:1181 - 1198
Metadata Details
Metadata Creator:Uwe Rascher
Metadata Created:2013-12-03
Metadata Last Updated:2013-12-03
Funding Phase:1
Metadata Language:English
Metadata Version:V40
Dataset Metrics
Page Visits:512
Metadata Downloads:0
Dataset Downloads:1
Dataset Activity