Russell, Ann D; Spero, Howard J (2000): Stable isotopic record of planktonic foraminifera of the Pacific Ocean [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.855490, Supplement to: Russell, AD; Spero, HJ (2000): Field examination of the oceanic carbonate ion effect on stable isotopes in planktonic foraminifera. Paleoceanography, 15(1), 43-52, https://doi.org/10.1029/1998PA000312
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Abstract:
We determined the d18O and d13C of individual Globigerinoides ruber and Pulleniatina obliquiloculata from sediment traps located from 5°N to 12°S along 140°W in the Pacific Ocean to evaluate the effects of varying [CO3=] on shell d18O and d13C. Variations in the offset between shell d13C and d13CDIC (Dd13Cs-DIC) are attributed to differences in [CO3]2-, temperature, and shell size between sample sites. When Dd13Cs-DIC of G. ruber was corrected for variations in [CO3]2- using the experimental slope of Bijma et al. (1998), the residual Dd13Cs-DIC was correlated with mixed layer temperature (+0.10±0.04 per mil °C**-1). The slope of this temperature effect is consistent with experimental results. In P. obliquiloculata, Dd13Cs-DIC and temperature were strongly anticorrelated (−0.14±0.03 per mil C**-1). We are unable to separate the influences of [CO3]2- and temperature in this species without independent experimental data. Correcting for [CO3]2- variability on d18Os of G. ruber improves the accuracy of estimated sea surface temperatures.
Other version:
Russell, Ann D; Spero, Howard J (2003): Carbonate Ion Effect on Foraminifera Stable Isotopes. NOAA National Centers for Environmental Information, https://doi.org/10.25921/234Z-HS42
Coverage:
Median Latitude: -4.856445 * Median Longitude: -137.850147 * South-bound Latitude: -12.000000 * West-bound Longitude: -140.050000 * North-bound Latitude: 5.010000 * East-bound Longitude: -134.970000
Date/Time Start: 1999-08-19T01:10:00 * Date/Time End: 1999-09-12T20:43:00
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
2 datasets
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Datasets listed in this publication series
- Russell, AD; Spero, HJ (2000): (Table S2) Stable isotopic record of Pulleniatina obliquiloculata of sediment traps. https://doi.org/10.1594/PANGAEA.855489
- Russell, AD; Spero, HJ (2000): (Table S2) Stable isotopic record of Globigerinoides ruber of sediment traps. https://doi.org/10.1594/PANGAEA.855488