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Brandon, Margaux; Landais, Amaelle; Duchamp-Alphonse, Stéphanie; Favre, Violaine; Schmitz, Léa; Abrial, Héloïse; Prié, Frédéric; Extier, Thomas; Blunier, Thomas (2020): Reconstruction of the global oxygen biosphere productivity based on Δ17O of O2 measurements from Vostok, GISP2 and EDC ice cores over the last 450 ka. PANGAEA, https://doi.org/10.1594/PANGAEA.914285, In: Brandon, M et al. (2020): Δ17O of O2 during Termination II and Termination V from EPICA Dome C ice core and reconstruction of global oxygen biosphere productivity over the last 445 ka based on D17O of O2 measurements. PANGAEA, https://doi.org/10.1594/PANGAEA.914609

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Abstract:
Reconstruction of the global oxygen biosphere productivity over the last 445 ka based on measurements of Δ17O of O2 in Vostok, GISP2 and Epica Dome C ice cores and new correction factors compared to the previous record of Blunier et al., 2012
Keyword(s):
EDC; global oxygen biosphere productivity; Δ17O of O2
Supplement to:
Brandon, Margaux; Landais, Amaelle; Duchamp-Alphonse, Stéphanie; Favre, Violaine; Schmitz, Léa; Abrial, Héloïse; Prié, Frédéric; Extier, Thomas; Blunier, Thomas (2020): Exceptionally high biosphere productivity at the beginning of Marine Isotopic Stage 11. Nature Communications, 11(1), https://doi.org/10.1038/s41467-020-15739-2
Further details:
Blunier, Thomas; Bender, Michael L; Barnett, Bruce A; von Fischer, J C (2012): Planetary fertility during the past 400 ka based on the triple isotope composition of O2 in trapped gases from the Vostok ice core. Climate of the Past, 8(5), 1509-1526, https://doi.org/10.5194/cp-8-1509-2012
Coverage:
Median Latitude: -26.864807 * Median Longitude: 63.795773 * South-bound Latitude: -78.464420 * West-bound Longitude: -38.800000 * North-bound Latitude: 72.970000 * East-bound Longitude: 123.350000
Date/Time Start: 1980-01-01T00:00:00 * Date/Time End: 2004-12-31T00:00:00
Minimum Elevation: 3208.0 m * Maximum Elevation: 3488.0 m
Event(s):
EDC (EPICA Dome C) * Latitude: -75.100000 * Longitude: 123.350000 * Date/Time Start: 1993-01-01T00:00:00 * Date/Time End: 2004-12-31T00:00:00 * Elevation: 3233.0 m * Recovery: 3300 m * Location: Dome C, Antarctica * Campaign: Dome C * Method/Device: Ice drill (ICEDRILL) * Comment: Drill site is 56 km from the site of a previous Dome C core that provided records extending into the last glacial period, and 560 km from the site of the Vostok cores. The completion of the Dome C core was delayed when the first drilling became stuck at 788 m in 1999 (EDC96).
GISP2 * Latitude: 72.970000 * Longitude: -38.800000 * Date/Time: 1990-01-01T00:39:00 * Elevation: 3208.0 m * Recovery: 3053 m * Campaign: GISP * Basis: Sampling/drilling ice * Method/Device: Drilling/drill rig (DRILL) * Comment: GISP2 is a combination of the shallow B and the deeper D core; about 200 ka
Vostok * Latitude: -78.464420 * Longitude: 106.837320 * Date/Time: 1980-01-01T00:00:00 * Elevation: 3488.0 m * Recovery: 2755 m * Location: Antarctica * Campaign: Ice_core_diverse * Basis: Sampling/drilling ice * Method/Device: Drilling/drill rig (DRILL) * Comment: annual pressure 624 mbar; mean annual temperature -55.5°C; snow accumulation between 2.2 and
22.5 g/cm**2/yr, about 250 ka
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1AGEAgeka BPBrandon, MargauxAntarctic ice core chronology (AICC2012)Geocode
2Biosphere productivity, minimumFbio,t/Fbio,PST minBrandon, MargauxCalculated
3Biosphere productivity, maximumFbio,t/Fbio,PST maxBrandon, MargauxCalculated
Size:
4444 data points

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