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Seki, Osamu; Foster, Gavin L; Schmidt, Daniela N; Mackensen, Andreas; Kawamura, Kimitaka; Pancost, Richard D (2010): (Table 2) Boron concentration and isotope ratio measurements of Globigerinoides sacculifer from ODP Hole. PANGAEA, https://doi.org/10.1594/PANGAEA.732920, In supplement to: Seki, O et al. (2010): Alkenone and boron based Pliocene pCO2 records. Earth and Planetary Science Letters, 292(1-2), 201-211, https://doi.org/10.1016/j.epsl.2010.01.037

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Project(s):
Coverage:
Latitude: 12.744000 * Longitude: -78.739300
Date/Time Start: 1996-01-10T19:30:00 * Date/Time End: 1996-01-14T23:15:00
Minimum DEPTH, sediment/rock: 0.05 m * Maximum DEPTH, sediment/rock: 134.63 m
Event(s):
165-999A * Latitude: 12.744000 * Longitude: -78.739300 * Date/Time Start: 1996-01-10T19:30:00 * Date/Time End: 1996-01-14T23:15:00 * Elevation: -2828.0 m * Penetration: 566.1 m * Recovery: 534.83 m * Location: Caribbean Sea * Campaign: Leg165 * Basis: Joides Resolution * Device: Drilling/drill rig (DRILL) * Comment: 61 core; 566.1 m cored; 0 m drilled; 94.5 % recovery
Comment:
Age determined from composite depth and the orbitally tuned age models of Schmidt et al., (2006, doi:10.1029/2005GC000957) and Haug and Tiedemann (1998, doi:10.1038/31447) and biostratigraphic models (Chaisson and d'Hondt, 2000, doi:10.2973/odp.proc.sr.165.010.2000; Kameo and Bralower, 2000, doi:10.2973/odp.proc.sr.165.012.2000). Measured on Globigerinoides sacculifer 300-355 µm
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethodComment
1Sample code/labelSample labelSeki, OsamuODP sample designation
2DEPTH, sediment/rockDepthmGeocode
3AGEAgeka BPGeocode
4δ11Bδ11B‰ SRMSeki, OsamuMC-ICP-MS, Thermo Fisher Scientific NEPTUN#1, due to small sample size some data points have been blank corrected based on their boron concentration and the boron concentration and d11B of the total procedural blank
5δ11Bδ11B‰ SRMSeki, OsamuMC-ICP-MS, Thermo Fisher Scientific NEPTUN#1, uncorrected
6δ11B, standard deviationδ11B std dev±Seki, OsamuMC-ICP-MS, Thermo Fisher Scientific NEPTUN#1, 2 se
7δ11Bδ11B‰ SRMSeki, OsamuMC-ICP-MS, Thermo Fisher Scientific NEPTUN#2, due to small sample size some data points have been blank corrected based on their boron concentration and the boron concentration and d11B of the total procedural blank
8δ11Bδ11B‰ SRMSeki, OsamuMC-ICP-MS, Thermo Fisher Scientific NEPTUN#2, uncorrected
9δ11B, standard deviationδ11B std dev±Seki, OsamuMC-ICP-MS, Thermo Fisher Scientific NEPTUN#2 2 se
10δ11Bδ11B‰ SRMSeki, OsamuMC-ICP-MS, Thermo Fisher Scientific NEPTUNaverage
11Boron/Calcium ratioB/CaSeki, OsamuICP-MS, Thermo Fisher Scientific, Element 2mmol/mol, is accurate to ± 5 % at 95% confidence (Foster, 2008, doi:10.1016/j.epsl.2008.04.015; Ni et al., 2007, doi:10.1029/2006PA001337)
12Sea surface temperature, annual meanSST (1-12)°CSeki, OsamuCalculated from C37 alkenones (Brassell et al., 1986)
13Sea surface salinitySSSSeki, OsamuCalculated
14pHpHSeki, OsamuCalculatedpH calculated from d11B using equation (7) with an uncertainty based largely on d11B of ± 0.02 pH units
15Carbonate ion[CO3]2-µmol/kgSeki, OsamuCalculatedMOD, carbonate ion concentration from the model of Tyrell and Zeebe (2004, doi:10.1016/j.gca.2004.02.018) adjusted to fit the modern [CO3**2-] at this site at the relevant habitat depth (see Foster, 2008, doi:10.1016/j.epsl.2008.04.015)
16Carbonate ion[CO3]2-µmol/kgSeki, OsamuCalculatedTA, carbonate ion concentration determined assuming total alkalinty remains at modern values (2330 mmol/kg) with uncertainty relating to ±5% TA
17Carbonate ion, standard deviation[CO3]2- std dev±Seki, OsamuCalculatedTA, carbonate ion concentration determined assuming total alkalinty remains at modern values (2330 mmol/kg) with uncertainty relating to ±5% TA
18Carbon dioxideCO2ppmvSeki, OsamuCalculatedMOD, pCO2 of surface seawater determined from pH and modelled [CO3**2-]. To account for potential salinity variations and including the propagated uncertainty of pH and [CO3**2-] we have placed a conservative uncertainty of ± 25 ppm on this estimates
19Carbon dioxideCO2ppmvSeki, OsamuCalculatedTA, pCO2 of surface seawater determined from pH and assuming total alkalinity remains at the modern value of 2330 mmol/kg.
20UncertaintyUncertainty±Seki, OsamuCalculatedof pCO2ALK resulting from a ± 5 % change in TA [ppmv]
Size:
130 data points

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