Fig. 8
From: A new circa 2007 biomass map for China differs significantly from existing maps

Evaluation of the model. (a) Estimated AGB from our model against AGB of averaged grid cells derived from GLAS data (grey points). (b) Bias corrected AGB against AGB of averaged grid cells derived from GLAS data (grey points). The dotted line is the 1:1 line. The black solid line is the regression of the whole set of points. The colour dots are the average values of 10 Mg ha–1 interval of AGB derived from GLAS, and the colour bar represents the number of grid cells in a given AGB interval. The blue line is a standard regression of colour dots with the intercept forced to be zero; in the bias corrected figure (b) this line overlaps exactly with the 1:1 line and is thus not visible.