Dipòsit Digital de Documents de la UAB 18 registres trobats  1 - 10següent  anar al registre: La cerca s'ha fet en 0.01 segons. 
1.
16 p, 17.4 MB A MODIS photochemical reflectance index (PRI) as an estimator of isoprene emissions in a temperate deciduous forest / Filella Cubells, Iolanda (Centre de Recerca Ecològica i Aplicacions Forestals) ; Zhang, Chao (Centre de Recerca Ecològica i Aplicacions Forestals) ; Seco Guix, Roger (Centre de Recerca Ecològica i Aplicacions Forestals) ; Potosnak, Mark (DePaul University. Department of Environmental Science and Studies) ; Guenther, Alex (University of California. Department of Earth System Science) ; Karl, Thomas (University of Innsbruck. Institute of Atmospheric and Cryospheric Sciences) ; Gamon, John A. (University of Nebraska-Lincoln. School of Natural Resources) ; Pallardy, Stephen (University of Missouri. Department of Forestry) ; Gu, Lianhong (Oak Ridge National Laboratory. Environmental Sciences Division) ; Kim, Saewung (University of California. Department of Earth System Science) ; Balzarolo, Manuela (Centre de Recerca Ecològica i Aplicacions Forestals) ; Fernández-Martínez, Marcos (Centre de Recerca Ecològica i Aplicacions Forestals) ; Peñuelas, Josep (Centre de Recerca Ecològica i Aplicacions Forestals)
The quantification of isoprene and monoterpene emissions at the ecosystem level with available models and field measurements is not entirely satisfactory. Remote-sensing techniques can extend the spatial and temporal assessment of isoprenoid fluxes. [...]
2018
Remote sensing, Vol. 10, No. 4 (April 2018) , art. 557  
2.
21 p, 1.8 MB Photochemical reflectance index (PRI) for detecting responses of diurnal and seasonal photosynthetic activity to experimental drought and warming in a Mediterranean shrubland / Zhang, Chao (Centre de Recerca Ecològica i Aplicacions Forestals) ; Filella Cubells, Iolanda (Centre de Recerca Ecològica i Aplicacions Forestals) ; Liu, Daijun (Centre de Recerca Ecològica i Aplicacions Forestals) ; Ogaya Inurrigarro, Romà (Centre de Recerca Ecològica i Aplicacions Forestals) ; Llusià Benet, Joan (Centre de Recerca Ecològica i Aplicacions Forestals) ; Asensio Abella, Ma. Dolores (Centre de Recerca Ecològica i Aplicacions Forestals) ; Peñuelas, Josep (Centre de Recerca Ecològica i Aplicacions Forestals)
Climatic warming and drying are having profound impacts on terrestrial carbon cycling by altering plant physiological traits and photosynthetic processes, particularly for species in the semi-arid Mediterranean ecosystems. [...]
2017 - 10.3390/rs9111189
Remote sensing, Vol. 9, Issue 11 (November 2017) , art. 1189  
3.
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 Aplicacions Forestals) ; Diouf, Abdoul Aziz (Centre de Suivi Ecologique. Dakar-Fann) ; Baret, Frédéric (Unité mixte de recherches. Environnement Méditerranéen et Modélisation des Agro-Hydrosystèmes et Institut National de Recherche Agronomique) ; 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, Vol. 6 Issue 3 (March 2014) , p. 2408-2434  
4.
Almost fixed quality rate-allocation under unequal scaling factors for on-board remote-sensing data compression / Blanes Garcia, Ian (Universitat Autònoma de Barcelona. Departament d'Enginyeria de la Informació i de les Comunicacions) ; Albinet, Mathieu (Centre national d'études spatiales (França)) ; Camarero, Roberto (Centre national d'études spatiales (França)) ; Serra Sagristà, Joan (Universitat Autònoma de Barcelona. Departament d'Enginyeria de la Informació i de les Comunicacions)
This article extends a rate-allocation method based on the near-lossless-rate (NLR) complexity that is designed to operate on-board spacecrafts, to include support for distortion scaling factors, such as those that are needed to code multi- and hyperspectral image when a spectral transform is employed. [...]
2017 - 10.1080/01431161.2017.1334137
International journal of remote sensing, Published online: 05 Jun 2017  
5.
Statistical atmospheric parameter retrieval largely benefits from spatial-spectral image compression / García-Sobrino, Joaquín (Universitat Autònoma de Barcelona. Group on Interactive Coding of Images) ; Serra Sagristà, Joan (Universitat Autònoma de Barcelona. Group on Interactive Coding of Images) ; Laparra, Valero (Universitat de Valencia. Laboratori de Processament d'imatges)
The infrared atmospheric sounding interferometer (IASI) is flying on board of the Metop satellite series, which is part of the EUMETSAT Polar System. Products obtained from IASI data represent a significant improvement in the accuracy and quality of the measurements used for meteorological models. [...]
2017 - 10.1109/TGRS.2016.2639099
IEEE transactions on geoscience and remote sensing, Vol. 55, issue 4 (April 2017) , p. 2213-2224  
6.
5 p, 227.6 KB Diffusion-based inpainting for coding remote-sensing data / Amrani, Naoufal (Universitat Autònoma de Barcelona. Departament d'Enginyeria de la Informació i de les Comunicacions) ; Serra Sagristà, Joan (Universitat Autònoma de Barcelona. Departament d'Enginyeria de la Informació i de les Comunicacions) ; Peter, Pascal (Saarland University (Alemanya). Mathematical Image Analysis Group) ; Weickert, Joachim (Saarland University (Alemanya). Mathematical Image Analysis Group)
Inpainting techniques based on partial differential equations (PDEs) such as diffusion processes are gaining growing importance as a novel family of image compression methods. Nevertheless, the application of inpainting in the field of hyperspectral imagery has been mainly focused on filling in missing information or dead pixels due to sensor failures. [...]
2017 - 10.1109/LGRS.2017.2702106.
IEEE geoscience and remote sensing letters, Vol. PP, issue 99 (June 2017)  
7.
33 p, 5.0 MB Affecting factors and recent improvements of the photochemical reflectance index (PRI) for remotely sensing foliar, canopy and ecosystemic radiation-use efficiencies / Zhang, Chao (Centre de Recerca Ecològica i Aplicacions Forestals) ; Filella Cubells, Iolanda (Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia) ; Garbulsky, Martín Fabio (University of Buenos Aires. Facultad de Agronomía) ; Peñuelas, Josep (Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia)
Accurately assessing terrestrial gross primary productivity (GPP) is crucial for characterizing the climate-carbon cycle. Remotely sensing the photochemical reflectance index (PRI) across vegetation functional types and spatiotemporal scales has received increasing attention for monitoring photosynthetic performance and simulating GPP over the last two decades. [...]
2016 - 10.3390/rs8090677
Remote sensing, Vol. 8, issue 9 (Aug. 2016) , p. 1-33  
8.
Vegetation baseline phenology from kilometric global LAI satellite products / Verger Ten, Aleixandre (Centre de Recerca Ecològica i Aplicacions Forestals) ; Filella Cubells, 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  
9.
20 p, 798.9 KB Empirical and physical estimation of Canopy Water Content from CHRIS/PROBA data / Cernicharo, Jesus (Parc Científic Universitat de València. EOLAB) ; Verger Ten, Aleixandre (Centre de Recerca Ecològica i Aplicacions Forestals) ; Camacho, Fernando (Parc Científic Universitat de València. EOLAB)
Efficient monitoring of Canopy Water Content (CWC) is a central feature in vegetation studies. The potential of hyperspectral high spatial resolution CHRIS/PROBA satellite data for the retrieval of CWC was here investigated using empirical and physical based approaches. [...]
2013 - 10.3390/rs5105265
Remote sensing, Vol. 5 (2013) , p. 5265-5284  
10.
27 p, 1.5 MB Fodder biomass monitoring in Sahelian Rangelands using phenological metrics from FAPAR time series / Diouf, Abdoul Aziz (Centre de Suivi Ecologique (Dakar, Senegal)) ; Brandt, Martin (University of Copenhagen. Department of Geosciences and Natural Resource Management) ; Verger Ten, Aleixandre (Centre de Recerca Ecològica i Aplicacions Forestals) ; El Jarroudi, Moussa (Université de Liege. Water, Environment and Development Unit) ; Djaby,Bakary (Centre Regional AGRHYMET (Niamey, Niger)) ; Fensholt, Rasmus (University of Copenhagen. Department of Geosciences and Natural Resource Management) ; Ndione, Jacques André (Centre de Suivi Ecologique (Dakar, Senegal)) ; Tychon, Bernard (Université de Liege. Water, Environment and Development Unit)
Timely monitoring of plant biomass is critical for the management of forage resources in Sahelian rangelands. The estimation of annual biomass production in the Sahel is based on a simple relationship between satellite annual Normalized Difference Vegetation Index (NDVI) and in situ biomass data. [...]
2015 - 10.3390/rs70709122
Remote sensing, Vol. 7 (2015) , p. 9122-9148  

Dipòsit Digital de Documents de la UAB : 18 registres trobats   1 - 10següent  anar al registre:
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