Pape, Thomas; Geprägs, Patrizia; Hammerschmidt, Sebastian; Wintersteller, Paul; Wei, Jiangong; Fleischmann, Timo; Bohrmann, Gerhard; Kopf, Achim J (2014): (Table 1) Distributions of light hydrocarbons and CO2, C1/C2 ratios, and stable C isotope signatures of CH4 in hydrate-bound gas and dissolved gas [dataset]. PANGAEA, https://doi.org/10.1594/PANGAEA.834461, In supplement to: Pape, T et al. (2014): Hydrocarbon seepage and its sources at mud volcanoes of the Kumano forearc basin, Nankai Trough subduction zone. Geochemistry, Geophysics, Geosystems, 15(6), 2180-2194, https://doi.org/10.1002/2013GC005057
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Project(s):
Coverage:
Median Latitude: 33.656869 * Median Longitude: 136.735800 * South-bound Latitude: 33.547060 * West-bound Longitude: 136.281330 * North-bound Latitude: 33.676550 * East-bound Longitude: 136.923480
Date/Time Start: 2012-06-21T04:06:00 * Date/Time End: 2012-07-14T03:44:00
Minimum Elevation: -2000.0 m * Maximum Elevation: -1800.0 m
Event(s):
GeoB16716-2 * Latitude: 33.547060 * Longitude: 136.281330 * Date/Time: 2012-06-21T04:06:00 * Elevation: -1850.0 m * Campaign: SO222 (MEMO) * Basis: Sonne * Method/Device: Gravity corer (GC) * Comment: MV #10 crest
Comment:
Light Hydrocarbons and CO2 (in mol%Sum[C1 to n-C4 + CO2]), Hydrate-Bound Gas (Hyd.), Dissolved Gas (Diss.) a.
a: Values of d13C-CH4 (diss.) are given for lowermost sample in profile.
No (column #9)=number of samples analyzed for molecular composition (mean value).
<0.04 = <=0.04 mol%.
Parameter(s):
| # | Name | Short Name | Unit | Principal Investigator | Method/Device | Comment |
|---|---|---|---|---|---|---|
| 1 | Event label | Event | ||||
| 2 | Comment | Comment | Pape, Thomas | |||
| 3 | C1 hydrocarbons | C1 | % | Pape, Thomas | Gas chromatography | mol% |
| 4 | C2 hydrocarbons | C2 | % | Pape, Thomas | Gas chromatography | mol% |
| 5 | C3 hydrocarbons | C3 | % | Pape, Thomas | Gas chromatography | mol% |
| 6 | iso-C4 hydrocarbons | i-C4 | % | Pape, Thomas | Gas chromatography | |
| 7 | C4 hydrocarbons | C4 | % | Pape, Thomas | Gas chromatography | n. Ident. |
| 8 | Carbon dioxide | CO2 | % | Pape, Thomas | Gas chromatography | |
| 9 | Number | No | Pape, Thomas | |||
| 10 | C1/C2 hydrocarbon ratio | C1/C2 | Pape, Thomas | |||
| 11 | δ13C, methane | δ13C CH4 | ‰ PDB | Pape, Thomas | Hyd., per mil VPDB | |
| 12 | δ13C, methane | δ13C CH4 | ‰ PDB | Pape, Thomas | Diss. a, per mil VPDB | |
| 13 | Δδ13C, methane | Δδ13C CH4 | ‰ PDB | Pape, Thomas | CH4 Hyd.-Diss., per mil VPDB |
License:
Creative Commons Attribution 3.0 Unported (CC-BY-3.0)
Size:
129 data points