Diagnostic Summary for Gross Primary Productivity: Model vs. FLUXNET

	Global Patterns	Regional Patterns	Scoring (Info)
	Annual Mean (gC/m2/day) Bias (gC/m2/day) RMSE (gC/m2/day) Phase Change (months)	Regional Mean Individual Site	Global Bias RMSE Seasonal Cycle Spatial Distribution Interannual Variability Overall
Benchmark  [Lasslop et al. (2010)]	3.26 - - 0.00	access to plots access to plots	- - - - - -
CLM40cn	3.04 -0.22 2.46 -0.17	access to plots access to plots	- 0.59 0.92 0.63 0.60 0.67
CLM45bgc	3.29 0.03 2.27 -0.51	access to plots access to plots	- 0.61 0.92 0.71 0.59 0.69
CLM45bgc_GSWP3	3.32 0.06 2.17 -0.38	access to plots access to plots	- 0.63 0.93 0.70 0.62 0.70

Notes: In calculating overall score, rmse score contributes double in comparison with all other scores.