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Allen, Katherine A; Hönish, Bärbel; Eggins, Stephen M; Yu, Jimin; Spero, Howard J; Elderfield, Henry (2011): Seawater carbonate chemistry and boron incorporation of planktic foraminifer Orbulina universa during experiments, 2011 [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.770067, Supplement to: Allen, KA et al. (2011): Controls on boron incorporation in cultured tests of the planktic foraminifer Orbulina universa. Earth and Planetary Science Letters, 309(3-4), 291-301, https://doi.org/10.1016/j.epsl.2011.07.010

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Published: 2011-09-23 • DOI registered: 2011-11-13

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Abstract:
Culture experiments with living planktic foraminifers reveal that the ratio of boron to calcium (B/Ca) in Orbulina universa increases from 56 to 92 µmol mol-1 when pH is raised from 7.61 +/- 0.02 to 8.67 +/- 0.03 (total scale). Across this pH range, the abundances of carbonate, bicarbonate, and borate ions also change (+ 530, - 500, and + 170 µmol kg-1, respectively). Thus specific carbonate system control(s) on B/Ca remain unclear, complicating interpretation of paleorecords. B/Ca in cultured O. universa also increases with salinity (55-72 µmol mol-1 from 29.9-35.4 per mil) and seawater boron concentration (62-899 µmol mol-1 from 4-40 ppm B), suggesting that these parameters may need to be taken into account for paleorecords spanning large salinity changes (~ 2 per mil) and for samples grown in seawater whose boron concentration ([B]SW) differs from modern by more than 0.25 ppm. While our results are consistent with the predominant incorporation of the charged borate species B(OH)4 into foraminiferal calcite, the behavior of the partition coefficient KD (defined as [B/Ca]calcite/B(OH)4/HCO3seawater) cannot be explained by borate incorporation alone, and suggests the involvement of other pH-sensitive ions such as CO3 For a given increase in seawater B(OH)4, the corresponding increase in B/Ca is stronger when B(OH)4 is raised by increasing [B]SW than when it is raised by increasing pH. These results suggest that B incorporation controls should be reconsidered. Additional insight is gained from laser-ablation ICP-MS profiles, which reveal variable B/Ca distributions within individual shells.
Keyword(s):
Biomass/Abundance/Elemental composition; Bottles or small containers/Aquaria (<20 L); Chromista; Foraminifera; Laboratory experiment; North Pacific; Open ocean; Orbulina universa; Pelagos; Single species; Temperate; Zooplankton
Project(s):
European network of excellence for Ocean Ecosystems Analysis (EUR-OCEANS)
European Project on Ocean Acidification (EPOCA)
Ocean Acidification International Coordination Centre (OA-ICC)
Funding:
Seventh Framework Programme (FP7), grant/award no. 211384: European Project on Ocean Acidification
Sixth Framework Programme (FP6), grant/award no. 511106: European network of excellence for Ocean Ecosystems Analysis
Comment:
In order to allow full comparability with other ocean acidification data sets, the R package seacarb (Lavigne and Gattuso, 2011) was used to compute a complete and consistent set of carbonate system variables, as described by Nisumaa et al. (2010). In this dataset the original values were archived in addition with the recalculated parameters (see related PI).
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Experimental treatmentExp treatAllen, Katherine A
2 IdentificationIDAllen, Katherine A
3 SalinitySalAllen, Katherine A
4 Temperature, waterTemp°CAllen, Katherine A
5 pH, total scalepHTAllen, Katherine AMeasuredTotal scale
6 pH, standard deviationpH std dev±Allen, Katherine A
7 Alkalinity, totalATµmol/kgAllen, Katherine AMetrohm Titrando titrator
8 Alkalinity, total, standard deviationAT std dev±Allen, Katherine A
9 Carbonate ion[CO3]2-µmol/kgAllen, Katherine ACalculated using CO2SYS
10 Carbonate ion, standard deviation[CO3]2- std dev±Allen, Katherine A
11 BoronBmg/kgAllen, Katherine AICP-MS, Perkin-Elmer, SCIEX Elan DRC II
12 Boron hydroxide[B(OH)4]-µmol/kgAllen, Katherine AICP-MS, Perkin-Elmer, SCIEX Elan DRC II
13 Boron hydroxide, standard deviation[B(OH)4]- std dev±Allen, Katherine A
14 Boron hydroxide/Bicarbonate ratio[B(OH)4]-/[HCO3]-Allen, Katherine AICP-MS, Perkin-Elmer, SCIEX Elan DRC II
15 Boron/Calcium ratioB/Caµmol/molAllen, Katherine AICP-MS, Perkin-Elmer, SCIEX Elan DRC II
16 Boron/Calcium ratio, standard deviationB/Ca std dev±Allen, Katherine A
17 Apparent partition coefficient, boron to calcite incorporation x1000KD x 1000Allen, Katherine A
18 Orbulina universa, shell, weightO. universa shell WµgAllen, Katherine A
19 Orbulina universa, shell, weight, standard deviationO. universa shell W std dev±Allen, Katherine A
20 Orbulina universa, size averageO. universa sizeµmAllen, Katherine A
21 Orbulina universa, size, standard deviationO. universa size std dev±Allen, Katherine A
22 Orbulina universaO. universa#Allen, Katherine ACounting, foraminifera, planktic
23 Carbonate system computation flagCSC flagNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
24 Carbon dioxideCO2µmol/kgNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
25 Partial pressure of carbon dioxide (water) at sea surface temperature (wet air)pCO2water_SST_wetµatmNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
26 Fugacity of carbon dioxide (water) at sea surface temperature (wet air)fCO2water_SST_wetµatmNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
27 Bicarbonate ion[HCO3]-µmol/kgNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
28 Carbonate ion[CO3]2-µmol/kgNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
29 Carbon, inorganic, dissolvedDICµmol/kgNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
30 Aragonite saturation stateOmega ArgNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
31 Calcite saturation stateOmega CalNisumaa, Anne-MarinCalculated using seacarb after Nisumaa et al. (2010)
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Status:
Curation Level: Enhanced curation (CurationLevelC)
Size:
430 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 
Exp treat		2 
ID		3 
Sal		4 
Temp [°C]		5 
pHT
(Total scale, Measured)		6 
pH std dev [±]		7 
AT [µmol/kg]
(Metrohm Titrando titrator)		8 
AT std dev [±]		9 
[CO3]2- [µmol/kg]
(Calculated using CO2SYS)		10 
[CO3]2- std dev [±]		11 
B [mg/kg]
(ICP-MS, Perkin-Elmer, SCIEX E...)		12 
[B(OH)4]- [µmol/kg]
(ICP-MS, Perkin-Elmer, SCIEX E...)		13 
[B(OH)4]- std dev [±]		14 
[B(OH)4]-/[HCO3]-
(ICP-MS, Perkin-Elmer, SCIEX E...)		15 
B/Ca [µmol/mol]
(ICP-MS, Perkin-Elmer, SCIEX E...)		16 
B/Ca std dev [±]		17 
KD x 1000		18 
O. universa shell W [µg]		19 
O. universa shell W std dev [±]		20 
O. universa size [µm]		21 
O. universa size std dev [±]		22 
O. universa [#]
(Counting, foraminifera, planktic)		23 
CSC flag
(Calculated using seacarb afte...)		24 
CO2 [µmol/kg]
(Calculated using seacarb afte...)		25 
pCO2water_SST_wet [µatm]
(Calculated using seacarb afte...)		26 
fCO2water_SST_wet [µatm]
(Calculated using seacarb afte...)		27 
[HCO3]- [µmol/kg]
(Calculated using seacarb afte...)		28 
[CO3]2- [µmol/kg]
(Calculated using seacarb afte...)		29 
DIC [µmol/kg]
(Calculated using seacarb afte...)		30 
Omega Arg
(Calculated using seacarb afte...)		31 
Omega Cal
(Calculated using seacarb afte...)
Ambient3a33.322.38.030.05223911182114.257450.04161.51.61.483543557116812.55419.61408.541794.72182.271989.54.452.90
Ambient3b33.322.38.030.05223911182114.257450.04162.31.61.504812.55419.61408.541794.72182.271989.54.452.90
Temperature133.217.78.120.12223341184174.458280.04661.11.61.322252441119811.35331.42324.811779.63183.801974.84.472.88
Temperature233.019.68.060.0822291017554.327540.04262.91.61.50624746015812.50386.19377.531799.50175.171987.24.272.76
Temperature433.026.57.970.0322372018364.457620.04264.91.71.529181043015813.29497.79480.941789.17182.891985.44.512.97
pH533.322.17.610.06205857274.643530.01955.71.42.973252247815834.551148.421118.461876.7372.251983.51.761.15
pH633.322.18.300.0724258312244.48124100.07469.31.80.93043315231586.33210.40204.911668.11311.661986.17.614.96
pH733.322.18.670.08280314600444.40200150.14592.02.40.6353374881582.2675.1473.181381.76599.681983.714.639.54
Salinity8a29.922.18.060.07204017161164.217470.04555.21.41.226811.29368.74359.111639.92160.591811.84.022.59
Salinity8b29.922.18.060.07204017161164.217470.04552.91.41.174811.29368.74359.111639.92160.591811.84.022.59
Salinity9a31.522.38.020.10216326165274.4374120.04266.51.71.575812.99430.17418.801753.78165.091931.94.082.65
Salinity9b31.522.38.020.10216326165274.4374120.04265.01.71.540812.99430.17418.801753.78165.091931.94.082.65
Salinity1035.422.38.000.0723851191194.808280.04371.71.91.682251044315814.08475.81463.261915.81191.432121.34.603.01
Boron1132.722.37.960.082485111571920.06303400.162403.810.52.48836952815815.63520.98507.221864.16157.062036.83.852.51
Boron1233.522.38.000.062915151801339.92665630.353899.223.42.549333348016814.09471.41458.971885.00180.022079.14.392.86