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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. PANGAEA,, 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,

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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
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
GeoB16722-2 * Latitude: 33.657130 * Longitude: 136.633130 * Date/Time: 2012-06-22T13:30:00 * Elevation: -1991.0 m * Campaign: SO222 (MEMO) * Basis: Sonne * Method/Device: Gravity corer (GC) * Comment: MV #4
GeoB16725-1 * Latitude: 33.655460 * Longitude: 136.634180 * Date/Time: 2012-06-23T00:00:00 * Elevation: -1970.0 m * Campaign: SO222 (MEMO) * Basis: Sonne * Method/Device: Gravity corer (GC) * Comment: MV #4
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%.
#NameShort NameUnitPrincipal InvestigatorMethod/DeviceComment
1Event labelEvent
2CommentCommentPape, Thomas
3C1 hydrocarbonsC1%Pape, ThomasGas chromatographymol%
4C2 hydrocarbonsC2%Pape, ThomasGas chromatographymol%
5C3 hydrocarbonsC3%Pape, ThomasGas chromatographymol%
6iso-C4 hydrocarbonsi-C4%Pape, ThomasGas chromatography
7C4 hydrocarbonsC4%Pape, ThomasGas chromatographyn. Ident.
8Carbon dioxideCO2%Pape, ThomasGas chromatography
9NumberNoPape, Thomas
10C1/C2 hydrocarbon ratioC1/C2Pape, Thomas
11δ13C, methaneδ13C CH4‰ PDBPape, ThomasHyd., per mil VPDB
12δ13C, methaneδ13C CH4‰ PDBPape, ThomasDiss. a, per mil VPDB
13Δδ13C, methaneΔδ13C CH4‰ PDBPape, ThomasCH4 Hyd.-Diss., per mil VPDB
129 data points

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