Table 2.

Global SOC Estimates From Inventory Database and MsTMIP Terrestrial Biosphere Model Ensemble

Database/	Resolution	Soil Depth	No. of Soil + Litter Pools	Global Soil Carbon
Model		(m)		(Pg C)
HWSD	30 arc sec	1		1255 (891, 1657)
Updated HWSD	0.5 × 0.5	1		1400
NCSCD	0.25 × 0.25 (circumpolar permafrost)	1		495.8
		3		1024
BIOME‐BGC	0.5 × 0.5	not available (NA)	4 + 3	2111
CLM	0.5 × 0.5	NA	4 + 3	643
CLM4VIC	0.5 × 0.5	NA	4 + 3	425
DLEM	0.5 × 0.5	1	5 + 5	1023
GTEC	0.5 × 0.5	NA	4 + 0	1155
ISAM	0.5 × 0.5	3.5	4 + 4	1045
LPJ	0.5 × 0.5	1.5	3 + 0	1496
ORCHIDEE	0.5 × 0.5	2	3 + 3	1160
VEGAS	0.5 × 0.5	NA	6 + 0	1547
VISIT	0.5 × 0.5	NA	3 + 6	1488
Model range				425–2111
Model median				1158