Articles | Volume 15, issue 1
Geosci. Model Dev., 15, 15–43, 2022
https://doi.org/10.5194/gmd-15-15-2022
Geosci. Model Dev., 15, 15–43, 2022
https://doi.org/10.5194/gmd-15-15-2022

Development and technical paper 04 Jan 2022

Development and technical paper | 04 Jan 2022

PyCO2SYS v1.8: marine carbonate system calculations in Python

Matthew P. Humphreys et al.

Model code and software

PyCO2SYS: marine carbonate system calculations in Python Matthew P. Humphreys, Abigail J. Schiller, Daniel Sandborn, Luke Gregor, Denis Pierrot, Steven M. A. C. van Heuven, Ernie R. Lewis, and Douglas W. R. Wallace https://doi.org/10.5281/zenodo.5602840

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Short summary
The ocean helps to mitigate our impact on Earth's climate by absorbing about a quarter of the carbon dioxide (CO2) released by human activities each year. However, once absorbed, chemical reactions between CO2 and water reduce seawater pH (ocean acidification), which may have adverse effects on marine ecosystems. Our Python package, PyCO2SYS, models the chemical reactions of CO2 in seawater, allowing us to quantify the corresponding changes in pH and related chemical properties.