Correction to: Nature Geoscience https://doi.org/10.1038/s41561-023-01167-6. Published online 17 April 2023.

In the version of this article initially published, the colour bar units in Figure 5b and c were incorrect copies of those on the bar for panel a. The labels have been revised to range from 10–4 to 100 and 10–8 to 100, respectively, in the HTML and PDF versions of the article.