Extended Data Fig. 3: The relationship among LAI, FPAR, SIF and VIs over the Corn Belt and Amazon rainforest.
From: Structural complexity biases vegetation greenness measures
(a) The relationship between LAI or FPAR with EVI, NIRv, SIF/PAR and NDVI over the Corn Belt (in red) and Amazon rainforest (in blue) in August during 2001–2019. The linear slopes over the Corn Belt were at least twice as high as those over the Amazon rainforest. In each panel, the degree of point transparency represents the point density. (b) The correlation coefficient among LAI, FPAR, SIF and VIs over the Corn Belt and Amazon rainforest in August during 2001–2019. The relationship among VIs and SIF were much higher than they were compared to FPAR and LAI, especially over the Corn Belt.
