Fig. 6: Model validation against satellite observation of PM2.5.
From: Air quality impacts of crop residue burning in India and mitigation alternatives
a Comparison between ground-level PM2.5 from GEOS-Chem forward simulation which informed the adjoint runs and NASA MODIS satellite-derived observations for a drought year. b, c are same as a. but for flood and normal rainfall years, respectively. The black lines depict y = x, the yellow lines are linear regression using a least-squares fit between all available model and satellite PM2.5 values. Coefficients of linear fitting and root mean squared error (RMSE) are depicted at top-left of each sub-figure.
