Fig. 6: Details of the NDVI change in the photovoltaic power plants areas across the nine clean energy bases.
From: Leveraging unmanned aerial vehicle images improves vegetation mapping in photovoltaic power plants

a Distribution of photovoltaic power plant areas. b Proportional distribution of photovoltaic power plant patches. c Distribution of ΔNDVI between photovoltaic (PV) and surrounding non-photovoltaic (NPV) areas. NDVI_sen: Sentinel-2 NDVI data. NDVI_sen_pre: NDVI data predicted by deep learning model. Whiskers denote 1.5 times the interquartile range, and the remaining points are outliers.