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Möller, Lars; Sowers, Todd A; Bock, Michael; Spahni, Renato; Behrens, Melanie K; Schmitt, Jochen; Miller, Heinz; Fischer, Hubertus (2013): Carbon isotopic data of atmospheric methane from EDML ice core. PANGAEA,, 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,

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Related to:
Fischer, Hubertus; Behrens, Melanie K; Bock, Michael; Richter, Ulrike; Schmitt, Jochen; Loulergue, Laetitia; Chappellaz, Jérôme A; Spahni, Renato; Blunier, Thomas; Leuenberger, Markus C; Stocker, Thomas F (2008): Changing boreal methane sources and constant biomass burning during the last termination. Nature, 452(7189), 864-867,
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,
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,
Latitude: -75.002500 * Longitude: 0.068400
Date/Time Start: 2001-01-10T00:00:00 * Date/Time End: 2006-01-17T00:00:00
Minimum DEPTH, ice/snow: 647.000 m * Maximum DEPTH, ice/snow: 1950.000 m
EDML (EPICA Dronning Maud Land, DML28C01_00) * Latitude: -75.002500 * Longitude: 0.068400 * Date/Time Start: 2001-01-10T00:00:00 * Date/Time End: 2006-01-17T00:00:00 * Elevation: 2891.7 m * Recovery: 2774.15 m * Campaign: EPICA-Campaigns * Basis: Kohnen Station * Method/Device: EPICA drill (EDRILL) * Comment: Elevation is given with reference to WGS84
Samples above 1010 m are from Fischer et al. 2008, but have here been corrected for Kr interference and processed similar to the data presented here. It is mandatory to cite both publications, if you want to use the full dataset.
All d13CH4 values reported with respect to VPDB.
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1DEPTH, ice/snowDepth ice/snowmGeocode
2Gas ageGas ageka BPMöller, LarsUnified gas age (see Lemieux-Dudon et al. 2010, doi:10.1016/j.quascirev.2009.11.010)
3δ13C, methaneδ13C CH4‰ PDBMöller, Larsvalues corrected for machine specific drifts and referenced to VPDB
4δ13Cδ13C‰ PDBMöller, Larsshift caused by the mass spectrometer interference with atmospheric krypton (see Schmitt et al. 2013, doi:10.5194/amtd-6-1409-2013)
5δ13C, methaneδ13C CH4‰ PDBMöller, LarsVPDB, values corrected for Kr interference
6δ13C, methaneδ13C CH4‰ PDBMöller, LarsVPDB, values (column 5) corrected for a constant glacial offset of 0.41 per mil due to gravitational settling in the firn layer
7δ13C, standard deviationδ13C std dev±Möller, Larsreplicate standard deviation (1-sigma, per mil)
999 data points

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