Citation:

PANGAEA.912173

Name: Molecular and isotopic compositions of vent gas and hydrate-bound gas from the Kerch Seep area, Black Sea
Published: 2020-02-17
License: https://creativecommons.org/licenses/by-nc-sa/4.0/
Keywords: Black Sea; gas hydrate; Gravity corer; hydrocarbons; Kerch seep area; M84/2; Methane; MSM15/2; ROV; venting

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Published: 2020-02-17 • DOI registered: 2020-03-26

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Abstract:

Hydrocarbon compositions (C1/C2+), stable carbon isotopic compositions of methane (d13C-CH4), and stable hydrogen isotopic composition of methane (d2H-CH4) in vent gas and hydrate-bound gas from the Kerch Seep area, Black Sea.

Keyword(s):

Black Sea; gas hydrate; Gravity corer; hydrocarbons; Kerch seep area; M84/2; Methane; MSM15/2; ROV; venting

Related to:

Römer, Miriam; Sahling, Heiko; Pape, Thomas; Bahr, André; Feseker, Tomas; Wintersteller, Paul; Bohrmann, Gerhard (2012): Geological control and magnitude of methane ebullition from a high-flux seep area in the Black Sea - the Kerch seep area. Marine Geology, 319, 57-74, https://doi.org/10.1016/j.margeo.2012.07.005

Project(s):

Center for Marine Environmental Sciences (MARUM)

Coverage:

Median Latitude: 44.620597 * Median Longitude: 35.704592 * South-bound Latitude: 44.619700 * West-bound Longitude: 35.702733 * North-bound Latitude: 44.623100 * East-bound Longitude: 35.705033

Date/Time Start: 2010-05-14T00:26:00 * Date/Time End: 2011-03-25T00:00:00

Minimum Elevation: -908.0 m * Maximum Elevation: -878.0 m

Event(s):

GeoB14321-1 (565) * Latitude Start: 44.620667 * Longitude Start: 35.704717 * Latitude End: 44.620667 * Longitude End: 35.704717 * Date/Time: 2010-05-14T20:46:00 * Elevation Start: -908.0 m * Elevation End: -908.0 m * Location: Kerch Flare * Campaign: * Basis: * Method/Device: Gas bubble sampler (GBS) * Comment: at bubble stream 2, T-logger, red tape

GeoB14323-3 (567) * Latitude Start: 44.620333 * Longitude Start: 35.704800 * Latitude End: 44.620333 * Longitude End: 35.704800 * Date/Time: 2010-05-14T23:58:00 * Elevation Start: -883.0 m * Elevation End: -883.0 m * Location: Kerch Flare * Campaign: * Basis: * Method/Device: Gas bubble sampler (GBS)

GeoB14323-4 (567) * Latitude Start: 44.620333 * Longitude Start: 35.704800 * Latitude End: 44.620333 * Longitude End: 35.704800 * Date/Time: 2010-05-14T00:26:00 * Elevation Start: -883.0 m * Elevation End: -883.0 m * Location: Kerch Flare * Campaign: * Basis: * Method/Device: Gas bubble sampler (GBS)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Comment
1	Event label	Event		Pape, Thomas
2	Comment	Comment		Pape, Thomas	Tool
3	Gas type	Gas typ		Pape, Thomas
4	C1/C2+ hydrocarbon ratio	C1/C2+		Pape, Thomas
5	δ13C, methane	δ13C CH4	‰ PDB	Pape, Thomas	vs. VPDB
6	δ Deuterium, methane	δD CH4	‰ SMOW	Pape, Thomas

License:

Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International (CC-BY-NC-SA-4.0)

Size:

26 data points

Data

Download dataset as tab-delimited text — use the following character encoding:

1 Event	2 Comment	3 Gas typ	4 C1/C2+	5 δ13C CH4 [‰ PDB]	6 δD CH4 [‰ SMOW]
GeoB14321-1		Vent gas	2447	-66.3
GeoB14323-3		Vent gas	2249	-66.7
GeoB14323-4		Vent gas	2330	-66.6
GeoB15513-1	GC34	Hydrate-bound gas	2878	-68.4
GeoB15516-1	GC36	Hydrate-bound gas	2424	-67.5	-248.2
GeoB15518-1	GC37	Hydrate-bound gas	2498	-66.9	-247.9
GeoB14324		Hydrate-bound gas	2087	-68.4