Home > Search Results: Baret, Frédéric
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Results overview: Found 9 records in 0.02 seconds.
Articles, 9 records found
Contributions to meetings and congresses, 1 records found
Articles 9 records found  
1.
12 p, 6.4 MB GEOV2 : Improved smoothed and gap filled time series of LAI, FAPAR and FCover 1 km Copernicus Global Land products / Verger, Aleixandre (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Sánchez-Zapero, Jorge (The Earth Observation Laboratory (EOLAB)) ; Weiss, Marie (Avignon Université. Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement) ; Descals, Adrià (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Camacho, Fernando (The Earth Observation Laboratory (EOLAB)) ; Lacaze, Roselyne (Hygeos) ; Baret, Frédéric (Avignon Université. Institut National de Recherche pour l'Agriculture, l'Alimentation et l'Environnement)
Essential vegetation variables including leaf area index (LAI), fraction of absorbed photosynthetic active radiation (FAPAR) and fraction of green vegetation cover (FCover) are produced and distributed in the Copernicus Global Land Service. [...]
2023 - 10.1016/j.jag.2023.103479
International journal of applied earth observation and geoinformation, Vol. 123 (September 2023) , art. 103479  
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2.
17 p, 1.4 MB A comparison of methods for smoothing and gap filling time series of remote sensing observations : application to MODIS LAI products / Kandasamy, Sivasathivel (Institut National de la Recherche Agronomique (França)) ; Baret, Frédéric (Institut National de la Recherche Agronomique (França)) ; Verger, Aleixandre (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Neveux, Philippe (Institut National de la Recherche Agronomique (França)) ; Weiss, Marie (Institut National de la Recherche Agronomique (França))
Moderate resolution satellite sensors including MODIS (Moderate Resolution Imaging Spectroradiometer) already provide more than 10 yr of observations well suited to describe and understand the dynamics of earth's surface. [...]
2013 - 10.5194/bg-10-4055-2013
Biogeosciences, Vol 10, Issue 6 (June 2013) , p. 4055-4071  
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3.
47 p, 1.6 MB Green area index from an unmanned aerial system over wheat and rapeseed crops / Verger, Aleixandre (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Vigneau, Nathalie (AIRINOV (France)) ; Chéron, Corentin (AIRINOV (France)) ; Gilliot, Jean-Marc (AgroParisTech) ; Comar, Alexis (Institut National de la Recherche Agronomique (França)) ; Baret, Frédéric (Institut National de la Recherche Agronomique (França))
Unmanned airborne systems (UAS) technology opens new horizons in precision agriculture for effective characterization of the variability in crop state at high spatial resolution and high revisit frequency. [...]
2014 - 10.1016/j.rse.2014.06.006
Remote sensing of environment, Vol. 152 (September 2014) , p. 654-664  
Detailed record - Creative Commons
4.
22 p, 863.2 KB Near real-time vegetation monitoring at global scale / Verger, Aleixandre (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Baret, Frédéric (Institut National de la Recherche Agronomique (França)) ; Weiss, Marie (Institut National de la Recherche Agronomique (França))
The NRT algorithm for near-real time estimation of global LAI, FAPAR, and FCOVER variables from SPOT/VEGETATION (VGT) satellite data is described here. It consists of three steps: 1) neural networks (NNT) (one for each variable) to provide instantaneous estimates from daily VGT-P reflectances; 2) a multistep filtering approach to eliminate data mainly affected by atmospheric effects and snow cover; and 3) Savitzky-Golay and climatology temporal smoothing and gap filling techniques to ensure consistency and continuity as well as short-term projection of the product dynamics. [...]
2014 - 10.1109/JSTARS.2014.2328632
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol. 7, no. 8 (August 2014) , p. 3473-3481  
Detailed record -
5.
29 p, 6.0 MB Quality assessment of PROBA-V LAI, fAPAR and fCOVER collection 300 m products of copernicus global land service / Fuster, Beatriz (Parc Cientific University of Valencia. Earth Observation Laboratory) ; Sánchez-Zapero, Jorge (Parc Cientific University of Valencia. Earth Observation Laboratory) ; Camacho, Fernando (Parc Cientific University of Valencia. Earth Observation Laboratory) ; García-Santos, Vicente (Parc Cientific University of Valencia. Earth Observation Laboratory) ; Verger, Aleixandre (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Lacaze, Roselyne (HYGEOS (Lille, França)) ; Weiss, Marie (Institut National de la Recherche Agronomique (França)) ; Baret, Frédéric (Institut National de la Recherche Agronomique (França)) ; Smets, Bruno (Vlaamse Instelling voor Technologisch Onderzoek)
The Copernicus Global Land Service (CGLS) provides global time series of leaf area index (LAI), fraction of absorbed photosynthetically active radiation (fAPAR) and fraction of vegetation cover (fCOVER) data at a resolution of 300 m and a frequency of 10 days. [...]
2020 - 10.3390/rs12061017
Remote sensing (Basel), Vol. 12, issue 6 (March 2020) , art. 1017  
Detailed record - Creative Commons
6.
27 p, 5.8 MB Local vegetation trends in the Sahel of Mali and Senegal using long time series FAPAR satellite products and field measurement (1982-2010) / Brandt, Martin (University of Bayreuth. Institute of Geography) ; Verger, Aleixandre (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Diouf, Abdoul Aziz (Centre de Suivi Ecologique (Dakar, Senegal)) ; Baret, Frédéric (Institut National de la Recherche Agronomique (França)) ; Samimi, Cyrus (University of Bayreuth. BayCEER)
Local vegetation trends in the Sahel of Mali and Senegal from Geoland Version 1 (GEOV1) (5 km) and the third generation Global Inventory Modeling and Mapping Studies (GIMMS3g) (8 km) Fraction of Absorbed Photosynthetically Active Radiation (FAPAR) time series are studied over 29 years. [...]
2014 - 10.3390/rs6032408
Remote sensing (Basel), Vol. 6 Issue 3 (March 2014) , p. 2408-2434  
Detailed record - Creative Commons
7.
48 p, 2.1 MB Vegetation baseline phenology from kilometric global LAI satellite products / Verger, Aleixandre (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Filella, Iolanda (Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia) ; Baret, Frédéric (Environnement Méditerranéen et Modélisation des Agro-Hydrosystèmes) ; Peñuelas, Josep (Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia)
Land surface phenology derived from remotely sensed satellite data can substantially improve our macroecological knowledge and the representation of phenology in earth system models. We characterized the baseline phenology of the vegetation at the global scale from the GEOCLIM climatology of leaf area index (LAI) estimated from 1-km SPOT-VEGETATION time series for 1999-2010. [...]
2016 - 10.1016/j.rse.2016.02.057
Remote sensing of environment, Vol. 178, (June 2016) , p. 1-14  
Detailed record - Creative Commons
8.
42 p, 1.2 MB GEOCLIM : a global climatology of LAI, FAPAR, and FCOVER from VEGETATION observations for 1999-2010 / Verger, Aleixandre (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Baret, Frédéric (Institut National de la Recherche Agronomique (França)) ; Weiss, Marie (Institut National de la Recherche Agronomique (França)) ; Filella, Iolanda (Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia) ; Peñuelas, Josep (Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia)
Land-surface modelling would benefit significantly from improved characterisation of the seasonal variability of vegetation at a global scale. GEOCLIM, a global climatology of leaf area index (LAI), fraction of absorbed photosynthetically active radiation (FAPAR)-both essential climate variables-and fraction of vegetation cover (FCOVER), is here derived from observations from the SPOT VEGETATION programme. [...]
2015 - 10.1016/j.rse.2015.05.027
Remote sensing of environment, Vol. 166 (Set. 2015) , p. 126-137  
Detailed record - Creative Commons
9.
4 p, 504.9 KB Caracterizacion de la fenología de la vegetación a escala global mediante series temporales SPOT VEGETATION / Verger, Aleixandre (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Filella, Iolanda (Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia) ; Baret, Frédéric (Institut National de la Recherche Agronomique (França)) ; Peñuelas, Josep (Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia)
La fenología de la vegetación a escala global se caracterizó a partir de series temporales del índice de área foliar (LAI) SPOT VEGETATION a 1-km de resolución espacial en el periodo 1999-2010. [...]
We characterized the phenology of the vegetation at the global scale from the mean seasonal leaf area index (LAI) estimated from 1-km SPOT VEGETATION time series for 1999-2010. The satellite-derived phenology was spatially consistent with the global distributions of climatic drivers and biome land cover. [...]
2015
Congreso de la Asociación Española de Teledetección. Sevilla, Espanya, 16è : 2015  
Detailed record - Creative Commons

Contributions to meetings and congresses 1 records found  
1.
4 p, 504.9 KB Caracterizacion de la fenología de la vegetación a escala global mediante series temporales SPOT VEGETATION / Verger, Aleixandre (Centre de Recerca Ecològica i d'Aplicacions Forestals) ; Filella, Iolanda (Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia) ; Baret, Frédéric (Institut National de la Recherche Agronomique (França)) ; Peñuelas, Josep (Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia)
La fenología de la vegetación a escala global se caracterizó a partir de series temporales del índice de área foliar (LAI) SPOT VEGETATION a 1-km de resolución espacial en el periodo 1999-2010. [...]
We characterized the phenology of the vegetation at the global scale from the mean seasonal leaf area index (LAI) estimated from 1-km SPOT VEGETATION time series for 1999-2010. The satellite-derived phenology was spatially consistent with the global distributions of climatic drivers and biome land cover. [...]
2015
Congreso de la Asociación Española de Teledetección. Sevilla, Espanya, 16è : 2015  
Detailed record - Creative Commons

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10 Baret, Frederic
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