Extended Data Fig. 3: CO2 sinks and sources (winter samples) illustrated in concentration units. | Nature Geoscience

Extended Data Fig. 3: CO2 sinks and sources (winter samples) illustrated in concentration units.

From: Deep CO2 release and the carbon budget of the central Apennines modulated by geodynamics

Extended Data Fig. 3

CO2 exchange with the atmosphere is attributed to (a) and (b) silicate weathering, (c) and (d) pyrite oxidation, and (e) and (f) metamorphic carbon for sampling locations along the Tevere River (left column) and the Aterno-Pescara River (right column). Data bars represent sample mean values ± 1σ (ref. 21).

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