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. 2017 Mar 22;3(3):e1602244. doi: 10.1126/sciadv.1602244

Fig. 2. Comparison of multiyear monthly mean (A) SIF and (B) NIRV against global data-driven GPP estimates.

Fig. 2

SIF estimates come from GOME-2 data averaged monthly and regridded to 0.5°. MODIS NIRV estimates were aggregated to 0.5° from 500-m scenes of BRDF-corrected reflectances. GPP estimates come from the Max Planck Institute upscaling approach (16). Shading indicates the logged number of pixels within each bin.