Extended Data Fig. 8: Steady-state outputs for reverse weathering versus the given parameters.
From: Reverse weathering as a long-term stabilizer of marine pH and planetary climate

a, Atmospheric \({p}_{{{\rm{CO}}}_{{\rm{2}}}}\); b, marine pH; c, marine DIC; d, total alkalinity; e, calcite saturation, Ω. Frw is the total silica consumption flux and frw is the fraction of the consumption flux of the total marine silica input. Within panel e, shallow-water values are plotted in red and global ocean mean values in blue. Contours represent variations to Alk:Si. The strength of the silicate weathering feedback (nsi) is set at 0.3. The root of each curve depicts preindustrial estimates and a reverse-weathering silica flux of about 0.5 Tmol yr−1 (frw = 0.05)29.