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Susceptibility of sediment core GeoB22035-1
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Susceptibility of sediment core GeoB22032-2
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(Appendix 1) Stable carbon and hydrogen data of different settings
w.m.: values are given as weighted mean of seperate aliquots extracted over time, n.m.: not measured, n.d.: not detected, Depth, sediment=mbsf: meter below seafloor -
(Appendix 7) Tabulated data of hydrocarbon gases from different oceanographic...
n.m.: not measured, n.d.: not detected, Depth, sediment=meter below seafloor -
(Appendix 1-4) Geochemistry, desorption methods, TOC, TC, and mineral content...
Sorption of volatile hydrocarbon gases (VHCs) to marine sediments is a recognized phenomenon that has been investigated in the context of petroleum exploration. However, little... -
Hydrocarbon concentrations from pressurized cores in the northern Gulf of Mexico
Two newly developed coring devices, the Multi-Autoclave-Corer and the Dynamic Autoclave Piston Corer were deployed in shallow gas hydrate-bearing sediments in the northern Gulf... -
Hydrate abundances at the high-flux Batumi seep area in the southeastern Blac...
Submarine gas hydrates are a major global reservoir of the potent greenhouse gas methane. Since current assessments of worldwide hydrate-bound carbon vary by one order of... -
Temperature measurements, gas chemistry, and gas hydrates of the Dvurechenski...
The sediment temperature distribution at mud volcanoes provides insights into their activity and into the occurrence of gas hydrates. If ambient pressure and temperature... -
Gas analysis of sediment cores from the Batumi seep area
Detailed knowledge of the extent of post-genetic modifications affecting shallow submarine hydrocarbons fueled from the deep subsurface is fundamental for evaluating source and... -
Gas hydrate investigation at the Amsterdam mud volcano
We investigated gas hydrate in situ inventories as well as the composition and principal transport mechanisms of fluids expelled at the Amsterdam mud volcano (AMV; 2,025 m water... -
Documentation of sediment core GeoB22035-1
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Documentation of sediment core GeoB22032-2
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(Table 5) Unit-specific lengths (LsUx), pore fluid volumes (VpfUx), pore flui...
a assuming average sediment porosities Ø of 0.85 (Unit 1), 0.72 (Unit 2), and 0.61 (Unit 3), respectively, according to data provided by Haeckel et al. (2008) and Reitz et al.... -
(Table 3) Total methane volume (VCH4t) in the individual core, nominal methan...
GH = gas hydrate; pv = pore volume, cv = core volume. a Assuming a CH4 fraction of 97 vol.-% of the entire gas (Section 3.3.1). b Inferred from pressure-volume relationships... -
(Table 2) Specifics of pressure cores recovered with the DAPC
a Total gas volumes include sum of gas and sediment-water suspension extruded through tubings of the degassing manifold at atmospheric pressure. -
(Table 4) Methane inventory of dynamic autoclave piston cores GeoB11911, GeoB...
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(Table 3) Distributions of low molecular-weight hydrocarbons (C1 to i-C4) and...
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(Table 3) Stable isotopic composition and carbon isotope fractionation factor...
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(Table 2) Average proportions of low-molecular-weight alkanes and CO2 in gas ...
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(Table 1) Pressure upon recovery of sediment and gas samples at the Batumi se...
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