Using Sentinel-2-Based Metrics to Characterize the Spatial Heterogeneity of FLEX Sun-Induced Chlorophyll Fluorescence on Sub-Pixel Scale. - Nela Jantol; Egor Prikaziuk; Marco Celesti; Itza Hernandez-Sequeira; Enrico Tomelleri; Javier Pacheco-Labrador; Shari Van Wittenberghe; Filiberto Pla; Subhajit Bandopadhyay; Gerbrand Koren; Bastian Siegmann; Tarzan Legovic; et al. (Remote. Sens., 2023)