Table 1 Summary of the physical and chemical composition of seawater in each culture treatment, measured over the 5-week experimental period.

From: Understanding cold bias: Variable response of skeletal Sr/Ca to seawater pCO2 in acclimated massive Porites corals

Treatment

Sr/Ca (mmol/mol)

Temperature (°C)

Salinity

TA (μeq/kg)

DIC (μmol/kg)

pHT

pCO2 (μatm)

HCO3−(μmol/kg)

CO32−(μmol/kg)

ΩAr

Last Glacial Maximum

12.27 ± 0.09

25.3 ± 0.1

35.1 ± 0.04

2289 ± 14

1831 ± 11

8.28

198

1511

315

5.01

Modern Day

12.07 ± 0.03

25.2 ± 0.2

35.2 ± 0.08

2290 ± 8

1999 ± 8

8.03

416

1780

207

3.29

Future (~Year 2100)

11.85 ± 0.03

25.1 ± 0.2

35.2 ± 0.05

2293 ± 5

2113 ± 11

7.81

750

1954

138

2.19

  1. Values are the mean ± 1σ. Dissolved inorganic carbon (DIC) and Total Alkalinity (TA) were used to calculate seawater carbonate system components (pHT, pCO2, HCO3−, CO32− and ΩAr) using CO2SYS (Pierrot et al.30, whereby pH is Total scale; K1 and K2 are from Mehrbach et al.61 refit by Dickson and Millero; KSO4 as determined by Dickson.
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