Fig. 3: Diel rates of gross primary production δ18O2-GPP from dual δ18O2 and O2 model. | Communications Earth & Environment

Fig. 3: Diel rates of gross primary production δ18O2-GPP from dual δ18O2 and O2 model.

From: High rates of daytime river metabolism are an underestimated component of carbon cycling

Fig. 3: Diel rates of gross primary production δ18O2-GPP from dual δ18O2 and O2 model.

Gross primary production (GPP) in rivers estimated as diel δ18O2-GPP (green shading from dual δ18O2 and O2 model) compared to GPPO2 (green line from O2–only model). Green panels represent mountain steppe sites, yellow panels desert sites, and red panels tropical sites. The gray shading represents night hours.

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