http://www.cnr.it/ontology/cnr/individuo/prodotto/ID178621
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 (Articolo in rivista)
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- 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 (Articolo in rivista) (literal)
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- 2009-01-01T00:00:00+01:00 (literal)
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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.; Gómez J. A.; Goulas Y.; Guanter L.; Gutiérrez-de-la-Cámara Ó.; Hamdi K.; Hostert P.; Jiménez M.; Kosvancova M.; Lognoli D.; Meroni M.; Miglietta F.; Moersch A.; Moreno J.; Moya I.; Neininger B.; Okujeni A.; Ounis A.; Palombi L.; Raimondi V.; Schickling A.; Sobrino J. A.; Stellmes M.; Toci G.; Toscano P.; Udelhoven T.; 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
in Biogeosciences (Online); European Geosciences Union (EGU), "Katlenburg-Lindau ; Munich" (Germania)
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- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- 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.; Gómez J. A.; Goulas Y.; Guanter L.; Gutiérrez-de-la-Cámara Ó.; Hamdi K.; Hostert P.; Jiménez M.; Kosvancova M.; Lognoli D.; Meroni M.; Miglietta F.; Moersch A.; Moreno J.; Moya I.; Neininger B.; Okujeni A.; Ounis A.; Palombi L.; Raimondi V.; Schickling A.; Sobrino J. A.; Stellmes M.; Toci G.; Toscano P.; Udelhoven T.; van der Linden S.; Zaldei A. (literal)
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- http://www.biogeosciences.net/6/1181/2009/bg-6-1181-2009.pdf (literal)
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- 1. Forschungszentrum Julich, Inst Chem & Dynam Geosphere, D-52425 Julich, Germany
2. CNR, IFAC CNR, Ist Fis Applicata Nello Carrara, I-50019 Florence, Italy
3. Univ Valencia, Dept Earth Phys & Thermodynam, E-46100 Valencia, Spain
4. Ecole Polytech, CNRS, Meteorol Dynam Lab, F-91128 Palaiseau, France
5. Univ Milano Bicocca, DISAT, Remote Sensing Environm Dynam Lab, I-20126 Milan, Italy
6. Humboldt Univ, Geomat Lab, D-10099 Berlin, Germany
7. Inst Nacl Tecn Aeroespacial, Remote Sensing Lab, Madrid 28850, Spain
8. Univ Valencia, Global Change Unit, Imaging Proc Lab, Valencia 46980, Spain
9. Univ Bonn, Ctr Remote Sensing Land Surfaces ZFL, D-53113 Bonn, Germany
10. Max Planck Inst Biogeochem, D-07745 Jena, Germany
11. CNR, Inst Biometeorol, 11IBIMET, I-50145 Florence, Italy
12. GFZ German Res Ctr Geosci, Helmholtz Ctr Potsdam, Dept Geodesy & Remote Sensing 1, D-14473 Potsdam, Germany
13. Inst Syst Biol & Ecol, Lab Plants Ecol Physiol, Div Ecosyst Proc, Brno 60300, Czech Republic
14. Metair AG, CH-8915 Flugpaltzm, Hausen Am Albis, Switzerland
15. Univ Cologne, Inst Geophys & Meteorol, D-50937 Cologne, Germany
16. Univ Trier, Remote Sensing Dept, D-54286 Trier, Germany
17. CRP Gabriel Lippmann, Dept Environm & Agrobiotechnol, L-4422 Luxembourg, Luxembourg (literal)
- Titolo
- 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 (literal)
- Abstract
- The CEFLES2 campaign during the Carbo Europe Regional Experiment Strategy was designed to provide simultaneous airborne measurements of solar induced fluorescence and CO(2) 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, CO(2) 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. (literal)
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