Möller, Lars; Sowers, Todd A; Bock, Michael; Spahni, Renato; Behrens, Melanie; Schmitt, Jochen; Miller, Heinz; Fischer, Hubertus (2013): Carbon isotopic data of atmospheric methane from EDML ice core [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.812111, 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
Always quote citation above when using data! You can download the citation in several formats below.
Related to:
Fischer, Hubertus; Behrens, Melanie; Bock, Michael; Richter, Ulrike; Schmitt, Jochen; Loulergue, Laetitia; Chappellaz, Jérôme A; Spahni, Renato; Blunier, Thomas; Leuenberger, Markus Christian; Stocker, Thomas F (2008): Changing boreal methane sources and constant biomass burning during the last termination. Nature, 452(7189), 864-867, https://doi.org/10.1038/nature06825
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
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
Project(s):
Funding:
Fifth Framework Programme (FP5), grant/award no. EVK2-CT-2000-00077: European Project for Ice Coring in Antarctica
Fourth Framework Programme (FP4), grant/award no. ENV4980702: European Project for Ice Coring in Antarctica
German Research Foundation (DFG), grant/award no. 5472008: Priority Programme 1158 Antarctic Research with Comparable Investigations in Arctic Sea Ice Areas
Coverage:
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
Event(s):
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
Comment:
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.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | DEPTH, ice/snow | Depth ice/snow | m | Geocode | ||
| 2 | Gas age | Gas age | ka BP | Möller, Lars | Unified gas age (see Lemieux-Dudon et al. 2010, doi:10.1016/j.quascirev.2009.11.010) | |
| 3 | δ13C, methane | δ13C CH4 | ‰ PDB | Möller, Lars | values corrected for machine specific drifts and referenced to VPDB | |
| 4 | δ13C | δ13C | ‰ PDB | Möller, Lars | shift caused by the mass spectrometer interference with atmospheric krypton (see Schmitt et al. 2013, doi:10.5194/amtd-6-1409-2013) | |
| 5 | δ13C, methane | δ13C CH4 | ‰ PDB | Möller, Lars | VPDB, values corrected for Kr interference | |
| 6 | δ13C, methane | δ13C CH4 | ‰ PDB | Möller, Lars | VPDB, values (column 5) corrected for a constant glacial offset of 0.41 per mil due to gravitational settling in the firn layer | |
| 7 | δ13C, standard deviation | δ13C std dev | ± | Möller, Lars | replicate standard deviation (1-sigma, per mil) |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
999 data points