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Christiansen, Jesper Riis; Juncher Jørgensen, Christian (2018): Time series of methane and carbon dioxide concentrations measured in subglacial air, Western Greenland [dataset publication series]. PANGAEA, https://doi.org/10.1594/PANGAEA.892391, Supplement to: Christiansen, Jesper Riis; Jørgensen, Christian Juncher (2018): First observation of direct methane emission to the atmosphere from the subglacial domain of the Greenland Ice Sheet. Scientific Reports, 8(1), https://doi.org/10.1038/s41598-018-35054-7

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Abstract:
Time series of methane and carbon dioxide concentrations measured in subglacial air in a cave under the Isunnguate Sermia glacier, Western Greenland. The Isunnguata Sermia is a glacier fed by the Greenland Ice Sheet. The time series are of shorter duration, 1 to 7 hours, and cover a 4-day period from August 23rd - 26th 2016.
In situ concentrations of methane and carbon dioxide of the subglacial air were measured using a portable greenhouse gas analyzer based on state-of-the-art cavity ring-down spectroscopy with a measurement precision of 3 ppb and 0.4 ppm for methane and carbon dioxide, respectively and a sampling frequency of 1 hz (GasScouter G4301, Picarro Inc., CA, USA). The analyzer was connected to a flux chamber via a PVC tube (4 meter).
Coverage:
Latitude: 67.200000 * Longitude: -50.100000
Date/Time Start: 2016-08-23T19:36:40 * Date/Time End: 2016-08-26T17:06:31
Event(s):
Isunnguate_Sermia_glacier_cave * Latitude: 67.200000 * Longitude: -50.100000 * Date/Time Start: 2016-08-23T00:00:00 * Date/Time End: 2016-08-26T00:00:00 * Location: Kangerlussuaq, Greenland * Method/Device: Aerial sample, bulk filtered (AIRFILT)
License:
Creative Commons Attribution 4.0 International (CC-BY-4.0)
Size:
4 datasets

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Datasets listed in this publication series

  1. Christiansen, JR; Juncher Jørgensen, C (2018): Methane and carbon dioxide concentrations measured in subglacial air, Isunnguate Sermia glacier, Western Greenland, 2016-08-23. https://doi.org/10.1594/PANGAEA.892386
  2. Christiansen, JR; Juncher Jørgensen, C (2018): Methane and carbon dioxide concentrations measured in subglacial air, Isunnguate Sermia glacier, Western Greenland, 2016-08-24. https://doi.org/10.1594/PANGAEA.892387
  3. Christiansen, JR; Juncher Jørgensen, C (2018): Methane and carbon dioxide concentrations measured in subglacial air, Isunnguate Sermia glacier, Western Greenland, 2016-08-25. https://doi.org/10.1594/PANGAEA.892388
  4. Christiansen, JR; Juncher Jørgensen, C (2018): Methane and carbon dioxide concentrations measured in subglacial air, Isunnguate Sermia glacier, Western Greenland, 2016-08-26. https://doi.org/10.1594/PANGAEA.892389