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Les propriétés de sol concernées sont les fractions granulométriques (taux d'argile, de limon et de sable), le pH et le taux de carbone organique du sol. Pour chacune de ces 5 propriétés, sont fournies, aux nœuds d'une grille 90mx90m, et pour 6 intervalles de profondeur du sol (0-5 cm, 5-15cm,15-30cm, 30-60cm, 60-100 cm, 100-200 cm) :

Une valeur prédite
Une largeur d'intervalle de confiance (P=90%) autour de cette valeur estimant l'incertitude de prédiction
Ces données délivrées suivent les spécifications du projet mondial de cartographie numérique de propriété des sols GlobalSoilMap. La méthode utilisée pour produire ces données suit une démarche de cartographie numérique des sols (voir description générale dans Lagacherie et al, 2013). Une description complète est fournie dans le mémoire de thèse (Vaysse, 2016).

Lagacherie, P., Arrouays, D., Walter, C., 2013. Cartographie numérique des sols : principe, mise en œuvre et potentialités. Etude Gest. des Sols 20, 83–98</gco:CharacterString>
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