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Fig. 2 | Climatic Change

Fig. 2

From: North American terrestrial CO2 uptake largely offset by CH4 and N2O emissions: toward a full accounting of the greenhouse gas budget

Fig. 2

Annual (a) and cumulative (b) contributions of different environmental factors to changes in global warming potential (Pg CO2 eq/year) in the terrestrial ecosystems of North America. The secondary Y-axis in (a) is the annual actual global warming potential under combined scenario (contribution of individual factors + baseline); Combined combined scenario (include all the environmental factors), LC land conversion, Nfer N fertilizer use, O 3 O3 pollution, CO 2 atmospheric CO2, NDEP N deposition, CLM climate variability, Interaction interaction among multiple factors calculated as: CombinedLCNferO 3 CO 2 NDEPCLM

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