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Data Publisher for Earth & Environmental Science

Möller, Lars; Sowers, Todd A; Bock, Michael; Spahni, Renato; Behrens, Melanie K; Schmitt, Jochen; Miller, Heinz; Fischer, Hubertus (2013): Vostok carbon isotopic data of atmospheric methane. PANGAEA, https://doi.org/10.1594/PANGAEA.812115, In supplement to: Möller, L et al. (2013): Independent variations of CH4 emissions and isotopic composition over the past 160,000 years. Nature Geoscience, 6, 885-890, https://doi.org/10.1038/ngeo1922

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Related to:
Chappellaz, Jérôme A; Barnola, Jean-Marc; Raynaud, Dominique; Korotkevich, Yevgeniy S; Lorius, C (1990): Ice-core record of atmospheric methane over the past 160,000 years. Nature, 345(6271), 127-131, https://doi.org/10.1038/345127a0
Lemieux-Dudon, Bénédicte; Blayo, Eric; Waelbroeck, Claire; Svensson, Anders M; Ritz, Catherine; Barnola, Jean-Marc; Narcisi, Biancamaria; Parrenin, Frédéric (2010): Consistent dating for Antarctic and Greenland ice cores. Quaternary Science Reviews, 29(1-2), 8-20, https://doi.org/10.1016/j.quascirev.2009.11.010
Lüthi, Dieter; Le Floch, Martine; Bereiter, Bernhard; Blunier, Thomas; Barnola, Jean-Marc; Siegenthaler, Urs; Raynaud, Dominique; Jouzel, Jean; Fischer, Hubertus; Kawamura, Kenji; Stocker, Thomas F (2008): High-resolution carbon dioxide concentration record 650,000 - 800,000 years before present. Nature, 453, 379-382, https://doi.org/10.1038/nature06949
Schmitt, Jochen; Seth, Barbara; Bock, Michael; van der Veen, Carina; Möller, Lars; Sapart, Célia-Julia; Prokopiou, M; Sowers, Todd A; Röckmann, Thomas; Fischer, Hubertus (2013): On the interference of 86Kr2+ during carbon isotope analysis of atmospheric methane using continuous flow combustion – isotope ratio mass spectrometry. Atmospheric Measurement Techniques Disscusions, 6(1), 1409-1460, https://doi.org/10.5194/amtd-6-1409-2013
Coverage:
Latitude: -78.464420 * Longitude: 106.837320
Date/Time Start: 1980-01-01T00:00:00 * Date/Time End: 1980-01-01T00:00:00
Minimum DEPTH, ice/snow: 800.0 m * Maximum DEPTH, ice/snow: 2250.0 m
Event(s):
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
Comment:
All d13CH4 values reported with respect to VPDB
Parameter(s):
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DEPTH, ice/snowDepth ice/snowmGeocode
2Gas ageGas ageka BPSowers, Todd AEDC3, interpolated from data in Lüthi et al. 2008, doi:10.1038/nature06949
3Gas ageGas ageka BPMöller, LarsEDC3, corrected by manual methane synchronization in between 83.6 kyr BP and 128.9 kyr BP
4Gas ageGas ageka BPMöller, LarsUnified gas age, interpolated back from EDC3 gas age (column 2) to EDC depth, then to the Antarctic unified age scale (see Lemieux-Dudon et al. 2010, doi:10.1016/j.quascirev.2009.11.010)
5Gas ageGas ageka BPMöller, LarsUnified gas age, same as column 4, but with corrected EDC3 gas ages (column 3)
6δ13Cδ13C‰ PDBMöller, Larsdeviations due to mass spectrometer interference with atmospheric krypton (see Schmitt et al. 2013, doi:10.5194/amtd-6-1409-2013) interpolated from Vostok [CH4] data (see Chappellaz et al.,1990 doi:10.1038/345127a0)
7δ13C, methaneδ13C CH4‰ PDBSowers, Todd AVPDB, values corrected for gravitational settling in the firn column
8δ13C, methaneδ13C CH4‰ PDBMöller, LarsVPDB, values (column 7) corrected for interpolated Kr deviation (column 6)
9δ13C, methaneδ13C CH4‰ PDBMöller, LarsVPDB, values (column 8) corrected for an inter-laboratory offset AWI-PSU of 0.14 per mil
Size:
552 data points

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