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Yu, Jimin; Elderfield, Henry; Hönisch, Bärbel (2007): (Table 2) B/Ca and Mg/Ca ratios in planktonic foraminifera from ODP Hole 108-668B [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.833113, In supplement to: Yu, J et al. (2007): B/Ca in planktonic foraminifera as a proxy for surface seawater pH. Paleoceanography, 22(2), PA2202, https://doi.org/10.1029/2006PA001347

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Further details:
Hönisch, Bärbel; Hemming, N Gary (2005): Surface ocean pH response to variations in pCO2 through two full glacial cycles. Earth and Planetary Science Letters, 236(1-2), 305-314, https://doi.org/10.1016/j.epsl.2005.04.027
Project(s):
Ocean Drilling Program (ODP)
Coverage:
Latitude: 4.768700 * Longitude: -20.927000
Date/Time Start: 1986-04-14T11:30:00 * Date/Time End: 1986-04-15T04:45:00
Minimum Elevation: -2693.5 m * Maximum Elevation: -2693.5 m
Event(s):
108-668B * Latitude: 4.768700 * Longitude: -20.927000 * Date/Time Start: 1986-04-14T11:30:00 * Date/Time End: 1986-04-15T04:45:00 * Elevation: -2693.5 m * Penetration: 31.2 m * Recovery: 31.21 m * Location: South Atlantic Ocean * Campaign: Leg108 * Basis: Joides Resolution * Method/Device: Drilling/drill rig (DRILL) * Comment: 4 cores; 31.2 m cored; 0 m drilled; 100 % recovery
Comment:
AGE vs. Vostock Gas Age Scale from Hönisch and Hemming (2005). Model 1 uses the deconvolution of foraminiferal d18O and Mg/Ca to yield local salinity, while model 2 uses the theoretical concentration of salt due to changing sea level.
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1 Sample code/labelSample labelYu, JiminDSDP/ODP/IODP sample designation
2 AGEAgeka BPGeocode
3 Globigerinoides ruber white, Boron/Calcium ratioG. ruber w B/Caµmol/molYu, Jimin
4 Globigerinoides ruber white, Magnesium/Calcium ratioG. ruber w Mg/Cammol/molYu, Jimin
5 Sea surface temperature, annual meanSST (1-12)°CYu, JiminCalculated from Mg/Ca ratios (Anand et al., 2003)
6 Boron hydroxide/Bicarbonate ratio[B(OH)4]-/[HCO3]-Yu, JiminCalculatedmodel 1
7 Carbonate ion[CO3]2-µmol/kgYu, JiminCalculatedmodel 1
8 Distribution coefficientKdYu, JiminCalculatedmodel 1
9 Boron hydroxide/Bicarbonate ratio[B(OH)4]-/[HCO3]-Yu, JiminCalculatedmodel 2
10 Carbonate ion[CO3]2-µmol/kgYu, JiminCalculatedmodel 2
11 Distribution coefficientKdYu, JiminCalculatedmodel 2
12 pHpHYu, JiminCalculatedmodel 1, total scale, calculated from B/Ca
13 Carbon dioxide, partial pressurepCO2µatmYu, JiminCalculatedmodel 1, calculated from B/Ca
14 pHpHYu, JiminCalculatedmodel 2, total scale, calculated from B/Ca
15 Carbon dioxide, partial pressurepCO2µatmYu, JiminCalculatedmodel 2, calculated from B/Ca
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
288 data points

Data

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

1 
Sample label
(DSDP/ODP/IODP sample designation)		2 
Age [ka BP]		3 
G. ruber w B/Ca [µmol/mol]		4 
G. ruber w Mg/Ca [mmol/mol]		5 
SST (1-12) [°C]
(Calculated from Mg/Ca ratios ...)		6 
[B(OH)4]-/[HCO3]-
(model 1, Calculated)		7 
[CO3]2- [µmol/kg]
(model 1, Calculated)		8 
Kd
(model 1, Calculated)		9 
[B(OH)4]-/[HCO3]-
(model 2, Calculated)		10 
[CO3]2- [µmol/kg]
(model 2, Calculated)		11 
Kd
(model 2, Calculated)		12 
pH
(model 1, total scale, calcula...)		13 
pCO2 [µatm]
(model 1, calculated from B/Ca...)		14 
pH
(model 2, total scale, calcula...)		15 
pCO2 [µatm]
(model 2, calculated from B/Ca...)
108-668B-1H-1,2-43.8331043.6926.50.07313111.430.07102871.478.153068.16289
108-668B-1H-1,25-2711.0131063.5926.20.07843321.350.07593041.398.182898.19270
108-668B-1H-1,33-3522.7231033.1324.70.09873591.040.09963671.038.282078.27213
108-668B-1H-1,70-7249.4141013.0724.50.08393301.200.08333231.218.282088.28205
108-668B-1H-1,105-10768.107852.8523.60.07302731.160.07583031.128.281978.27216
108-668B-1H-1,125-12779.837943.2024.98.232368.22243
108-668B-1H-2,25-27109.163983.4925.90.07052781.390.07172921.378.192658.18279
108-668B-1H-2,39-41128.3991154.0127.40.06502731.770.06482701.788.143038.14305
108-668B-1H-2,49-51131.3201093.5526.00.06882831.580.06872821.588.212518.21252
108-668B-1H-2,70-72136.632953.0024.20.09033371.050.09163491.048.282068.27214
108-668B-1H-2,74-76137.6941033.1324.70.09593661.070.09513581.088.272168.27212
108-668B-2H-2,56-58317.4451043.5426.00.06552591.580.06692761.558.202498.19267
108-668B-2H-2,75-77332.293943.3125.38.192788.20257
108-668B-2H-2,85-87352.412962.9824.18.272238.28205
108-668B-2H-2,105-107362.425922.9323.90.08583441.070.08373221.108.272188.28206
108-668B-2H-2,130-132370.031933.0124.20.07943171.170.07863081.188.262198.27214
108-668B-2H-3,14-16383.734943.3425.40.07463031.260.07392951.278.192718.19266
108-668B-2H-3,25-27390.865943.3825.58.172858.18273
108-668B-2H-3,39-41399.940933.6426.48.133118.12325
108-668B-2H-3,56-58414.0851043.9427.20.06742761.540.06762781.548.113298.11336
108-668B-2H-3,70-72421.5741103.7526.70.07162911.530.07182931.538.172808.17285
108-668B-2H-3,77-79430.8691033.3925.58.212518.21252
108-668B-2H-3,85-87437.094932.8923.88.292048.29201
108-668B-2H-3,95-97444.875942.8623.78.302008.30195