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Progress in Earth and Planetary Science
Fig. 3 | Progress in Earth and Planetary Science

Fig. 3

From: Perspective on the response of marine calcifiers to global warming and ocean acidification—Behavior of corals and foraminifera in a high CO2 world “hot house”

Fig. 3

Upper panels: changes in pCO2 in seawater and the corresponding saturation states of calcite and aragonite (Ωcal and Ωarag) as seawater pH decreases under three different climate schemes: a polar and high-latitude regions (2 °C), b temperate (15 °C), and c tropical (28 °C). Lower panels: changes in [CO32−] with the progression of ocean acidification at three different temperature settings of 2 °C (d), 15 °C (e), and 28 °C (f). The corresponding DIC and [HCO3−] are shown in each graph. The chemical equilibrium calculation was conducted using CO2calc (Robbins et al. 2010), with the following conditions: total alkalinity of 2200 μmol kg− 1, salinity of 34, and pressure of 10 dbar

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