Skip to main content
. 2021 Jan 8;7(2):eaba9958. doi: 10.1126/sciadv.aba9958

Table 1. Measured and calculated seawater parameters (±SE) from the culturing experiments (S, salinity; T, temperature; pH (NBS scale); DIC, dissolved inorganic carbon; Alkalinity, total alkalinity; pH on total scale; [CO32−], carbonate ion; [HCO3−], bicarbonate ion; [CO2], partial pressure of CO2; ΩA, saturation state of seawater with respect to aragonite).

Experiment Seawater measured parameters
δ11Bsw*
(‰) 		S
(psu) 		T
(°C) 		pH
(NBS scale) 		DIC
(μmol/kg-seawater) 		Alkalinity
(μmol/kg-seawater)
Exp1 (400 ppm, 28°C) 41.02 ± 0.49 34.9 ± 0.1 28.29 ± 0.01 8.27 ± 0.01 2480 ± 40 2915 ± 49
Exp2 (400 ppm, 31°C) 40.17 ± 0.33 35.6 ± 0.1 31.72 ± 0.06 8.24 ± 0.01 2350 ± 44 2774 ± 54
Exp3 (1000 ppm, 28°C) 41.36 ± 0.13 35.4 ± 0.1 27.88 ± 0.02 8.04 ± 0.01 2645 ± 44 2939 ± 46
Exp4 (1000 ppm, 31°C) 41.93 ± 0.20 36.0 ± 0.1 30.83 ± 0.02 8.12 ± 0.01 2755 ± 37 3083 ± 40
Exp5 (2800 ppm, 28°C) 40.97 ± 0.15 35.8 ± 0.1 28.17 ± 0.02 7.62 ± 0.01 2861 ± 82 2907 ± 81
Exp6 (2800 ppm, 31°C) 41.35 ± 0.12 35.7 ± 0.1 30.93 ± 0.02 7.69 ± 0.01 3223 ± 57 3290 ± 56
Experiment Seawater calculated parameters
pCO2
(ppmv) 		pH**
(total scale) 		[CO32−]
(μmol/kg-seawater) 		[HCO3−]
(μmol/kg-seawater) 		[CO2]
(μmol/kg-seawater) 		ΩA
Exp1 (400 ppm, 28°C) 466 ± 8 8.14 ± 0.01 334 ± 9 2133 ± 33 12.3 ± 0.2 5.38 ± 0.14
Exp2 (400 ppm, 31°C) 499 ± 9 8.09 ± 0.01 320 ± 11 2017 ± 36 12.3 ± 0.3 5.20 ± 0.18
Exp3 (1000 ppm, 28°C) 925 ± 15 7.90 ± 0.01 217 ± 6 2424 ± 35 24.6 ± 0.4 3.48 ± 0.10
Exp4 (1000 ppm, 31°C) 885 ± 12 7.97 ± 0.01 265 ± 4 2468 ± 35 22.0 ± 0.4 4.28 ± 0.07
Exp5 (2800 ppm, 28°C) 2807 ± 120 7.49 ± 0.01 90 ± 3 2697 ± 77 74.3 ± 3.2 1.44 ± 0.04
Exp6 (2800 ppm, 31°C) 3194 ± 136 7.55 ± 0.01 113 ± 4 3030 ± 54 79.5 ± 3.4 1.83 ± 0.06

*δ11Bsw-based average of δ11Bsw1 and δ11Bsw2 (see table S5) for each condition.

**pH on total scale recalculated on the basis of pH measured on NBS scale during experiment.