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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... -
(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... -
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... -
Susceptibility of sediment core GeoB22035-1
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Susceptibility of sediment core GeoB22032-2
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(Table 4) In situ methane concentrations (Cm), amount of dissolved methane an...
C = Core length, C AOM = core length below AOM zone, GH = gas hydrate, vol = volume, ps = pore space and cv = core volume. * This gas:water ratio of 132/1 is in between the... -
(Table 3) Molalities of C1-iC5 in pore water below the AOM zone
No pore water data are available for MAC-12. In 3 out of 4 MAC cores the lower limit of the AOM zone is less than 10 cm deep; the lower limit in MAC-12 is set at 10 cm. In... -
(Table 2) Total gas volume released upon degassing and its hydrocarbon compos...
Ratios of C1-iC5 in relation to the total amount of C1-iC5 (weighed and averaged over time). -
(Table 1) Analysis of pore water (PW) and hydrocarbon gases (HC) on sediment ...
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(Table 3) Accumulated gas volumes, calculated gas-sediment ratios, and hydrat...
Recovery pressure (Prec) as maximum pressure determined by use of a digital pressure sensor connected to the DAPC pressure chamber.Volumes of dissolved and non-dissolved methane... -
(Table 2) Average proportions of C1 to iso-C4 hydrocarbons and stable carbon ...
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Pore-water chemistry of sediment core GeoB11314
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Pore-water chemistry of sediment core GeoB11309
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Pore-water chemistry of sediment core GeoB11303
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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 -
Documentation of sediment core GeoB22035-1
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Documentation of sediment core GeoB22032-2
This dataset has no description
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Documentation of sediment core GeoB14360
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Documentation of sediment core GeoB14354
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