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Bouchet, Marie; Grisart, Antoine; Landais, Amaëlle; Prié, Frédéric; Jacob, Roxanne; Fourré, Elise (2023): δO2/N2 and δ18O of O2 from EPICA Dome C ice core (Antarctica) (0-800 ka) [dataset bundled publication]. PANGAEA, https://doi.org/10.1594/PANGAEA.961023

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Abstract:
We present the full compilation of δO2/N2 and δ18O of O2 data measured in the gas phase on the EPICA Dome C ice core from 1420 m to the bottom (3191 m), hence covering the last 800 kyr. The EPICA Dome C ice core has been drilled in Antarctica (-75.1°S; 123.395°E; 3233 m elevation) between 1996 and 2004 and measurements were performed from 2001 to 2022. Some of the data were already presented in previous published studies (Dreyfus et al., 2007, 2008; Landais et al., 2012; Bazin et al., 2016; Extier et al., 2018) but corrections were performed in the present data file. The new highly-resolved datasets have been measured over five glacial terminations (TII, III, IV, V and VI) by Grisart (2023) using a dual inlet Delta 219 V plus (Thermo Electron Corporation) mass spectrometer at the LSCE. They are combined to previous published data to obtain the final compilation of the δ18O of O2 and δO2/N2 records covering the last 800 kyr.
Keyword(s):
Antarctica; Elemental ratios; EPICA Dome C ice core; Gas; Ice core; Isotope ratio; Termination
Related to:
Bazin, Lucie; Landais, Amaëlle; Capron, Emilie; Masson-Delmotte, Valerie; Ritz, Catherine; Picard, Ghislain; Jouzel, Jean; Dumont, Marie; Leuenberger, Markus Christian; Prié, F (2016): Phase relationships between orbital forcing and the composition of air trapped in Antarctic ice cores. Climate of the Past, 12(3), 729-748, https://doi.org/10.5194/cp-12-729-2016
Dreyfus, Gabrielle; Parrenin, Frédéric; Lemieux-Dudon, Bénédicte; Durand, Gael; Masson-Delmotte, Valerie; Jouzel, Jean; Barnola, Jean-Marc; Panno, L; Spahni, Renato; Tisserand, Amandine; Siegenthaler, Urs; Leuenberger, Markus Christian (2007): Anomalous flow below 2700 m in the EPICA Dome C ice core detected using d18O of atmospheric oxygen measurements. Climate of the Past, 3(2), 341-353, https://doi.org/10.5194/cp-3-341-2007
Dreyfus, Gabrielle; Raisbeck, Grant M; Parrenin, Frédéric; Jouzel, Jean; Guyodo, Yohan; Nomade, Jérome; Mazaud, Alain (2008): An ice core perspective on the age of the Matuyama-Brunhes boundary. Earth and Planetary Science Letters, 274(1-2), 151-156, https://doi.org/10.1016/j.epsl.2008.07.008
Extier, Thomas; Landais, Amaëlle; Bréant, Camille; Prié, F; Bazin, Lucie; Dreyfus, Gabrielle; Roche, Didier M; Leuenberger, Markus Christian (2018): On the use of d18O atm for ice core dating. Quaternary Science Reviews, 185, 244-257, https://doi.org/10.1016/j.quascirev.2018.02.008
Funding:
European Research Council (ERC), grant/award no. 817493: ICORDA - Ice CORe DAting tools revisited to infer the dynamic of glacial – interglacial transitions over the last 1.5 million years
Coverage:
Latitude: -75.102000 * Longitude: 123.395000
Size:
2 datasets

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