1.1. Carbonate system variability: Marine acidification
In a natural occurring way, there have always been great variability of greenhouse gases concentration in the atmosphere (carbon dioxide, nitrous oxide, methane). Those oscillations have always presented a quite constant range over the last 650 thousand years before the Industrial Revolution. From then on, in 1750, the greenhouse gases’ concentrations have suffered a sharp increase due to emissions from anthropogenic activities (Joos and Spahni, 2007).
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Vázquez Álvarez L., 2020. Carbonate chemistry variability in the East coast of Gran Canaria island. BSc thesis, Universidad de las Palmas de Gran Canaria, 22 pp. Thesis.