Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain
the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in
Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles
and JavaScript.
Patterns in vertical and horizontal distribution of simulated Ni can be evaluated for models with various parameterizations of reversible scavenging, here showing a model with reversible scavenging onto POC as determined in Weber et al.12. Panels are the same as for Extended Data Fig. 1.