Stable isotope ratios of foraminifera and sea surface temperature estimation of sediment core W2804A-14, supplement to: Jasper, John P; Hayes, John M; Mix, Alan C; Prahl, Frederick G (1994): Photosynthetic fractionation of 13C and concentrations of dissolved CO2 in the central equatorial Pacific during the last 255,000 years. Paleoceanography, 9(6), 781-798

John P Jasper, John M Hayes, Alan C Mix & Frederick G Prahl
Carbon isotopically based estimates of CO2 levels have been generated from a record of the photosynthetic fractionation of 13C (epsilon p) in a central equatorial Pacific sediment core that spans the last ~255 ka. Contents of 13C in phytoplanktonic biomass were determined by analysis of C37 alkadienones. These compounds are exclusive products of Prymnesiophyte algae which at present grow most abundantly at depths of 70-90 m in the central equatorial Pacific. A record of the...
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