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. 2020 Jun 23;11:3170. doi: 10.1038/s41467-020-16953-8

Fig. 5. Overview of the global carbon cycle for 1959–2015.

Fig. 5

a ELUC was derived from the HN2017 bookkeeping model with the intact land sink, as a residual of the global carbon budget. b All ELUC component fluxes and the intact land sink were simulated by ORCHIDEE. Note that all land fluxes by ORCHIDEE include full impacts of environmental changes and climate variations. The difference between the bottom edge of the atmosphere sink and the pink line in b indicates the mismatch between the modeled and observation-based global carbon budgets.