Improving the Spatial Prediction of Soil Organic Carbon Content in Two Contrasting Climatic Regions by Stacking Machine Learning Models and Rescanning Covariate Space. - Ruhollah Taghizadeh-Mehrjardi; Karsten Schmidt 006; Alireza Amirian-Chakan; Tobias Rentschler; Mojtaba Zeraatpisheh; Fereydoon Sarmadian; Roozbeh Valavi; Naser Davatgar; Thorsten Behrens; Thomas Scholten (Remote. Sens., 2020)