Articles | Volume 12, issue 5
Biogeosciences, 12, 1285–1298, 2015
https://doi.org/10.5194/bg-12-1285-2015
Biogeosciences, 12, 1285–1298, 2015
https://doi.org/10.5194/bg-12-1285-2015

Research article 02 Mar 2015

Research article | 02 Mar 2015

Trends and drivers in global surface ocean pH over the past 3 decades

S. K. Lauvset et al.

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This paper utilizes the SOCATv2 data product to calculate surface ocean pH. The pH data are divided into 17 biomes, and a linear regression is used to derive the long-term trend of pH in each biome. The results are consistent with the trends observed at time series stations. The uncertainties are too large for a mechanistic understanding of the driving forces behind the trend, but there are indications that concurrent changes in chemistry create spatial variability.
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