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GEOV1: LAI, FAPAR essential climate variables and FCOVER global time series capitalizing over existing products. Part 2: Validation and intercomparis…

2013

International audience; This paper describes the scientific validation of the first version of global biophysical products (i.e., leaf area index, fraction of absorbed photosynthetically active radiation and fraction of vegetation cover), namely GEOV1, developed in the framework of the geoland-2/BioPar core mapping service at 1 km spatial resolution and 10-days temporal frequency. The strategy follows the recommendations of the CEOS/WGCV Land Product Validation for LAI global products validation. Several criteria of performance were evaluated, including continuity, spatial and temporal consistency, dynamic range of retrievals, statistical analysis per biome type, precision and accuracy. The…

Accuracy and precision010504 meteorology & atmospheric sciencescouvert végétalcomparaison de modèlesBiomecritère de performanceSoil ScienceMagnitude (mathematics)Context (language use)01 natural sciencesGEOV1;Vegetation variables;Validation;GMES;Land monitoring core servicevalidation scientifiquefraction of absorbed photosynthetically active radiation (fAPAR)GEOV1ValidationfcoverFraction (mathematics)Computers in Earth SciencesLeaf area indexvariable climatiqueMilieux et Changements globauxfraction de couvert0105 earth and related environmental sciencesRemote sensinggmescarte de référenceanalyse statistiquefaparLand monitoring core serviceGeology04 agricultural and veterinary sciencesresolution spatiale15. Life on landComputer scienceLAIindice de surface foliaireSeaWiFSbiome13. Climate actionPhotosynthetically active radiationInformatique (Sciences cognitives)surveillance de l'environnement[SDE]Environmental Sciences040103 agronomy & agriculture0401 agriculture forestry and fisheriesEnvironmental scienceVegetation variables
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