In the original version of this Article, the data accession https://doi.org/10.17882/42182 was omitted from the Data Availability statement.In the first paragraph of the Methods subsection entitled 'Float data processing', the WET Labs ECO-triplet fluorometer was incorrectly referred to as 'WETLabs ECO PUK'. In the final paragraph of this subsection, the WET Labs ECO-series fluorometer was incorrectly referred to as 'WETLabs 413 ECO-series'.In the Methods subsection 'Float estimates of phytoplankton carbon biomass', the average particulate organic carbon-bbp ratio of 37,537 mgC m-2 was incorrectly given as 37,357 mgC m-2.In the second paragraph of the Methods subsection 'Float estimates of population division rates', the symbol for Celsius (C) was omitted from the phrase 'a 10°C increase in temperature'.These errors have now been corrected in the PDF and HTML versions of the Article.