Citation:

j.marchem.2007.08.008

Name: (Table 5) Averaged hydrocarbon compositions of gas hydrates sampled at GC185 and GC415 and the standard deviation encountered in the samples
Published: 2007
License: https://creativecommons.org/licenses/by/3.0/

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Project(s):

Center for Marine Environmental Sciences (MARUM)

Coverage:

Median Latitude: 27.670350 * Median Longitude: -91.244360 * South-bound Latitude: 27.557900 * West-bound Longitude: -91.507810 * North-bound Latitude: 27.782800 * East-bound Longitude: -90.980910

Date/Time Start: 2003-11-06T19:59:00 * Date/Time End: 2003-11-08T00:35:00

Minimum Elevation: -953.0 m * Maximum Elevation: -555.0 m

Event(s):

SO174/2_158 (158) * Latitude: 27.782800 * Longitude: -91.507810 * Date/Time: 2003-11-06T19:59:00 * Elevation: -555.0 m * Location: Bush Hill * Campaign: (OTEGA II) * Basis: * Method/Device: Multi autoclave corer (MAC) * Comment: 2 cores, both LTCs under pressure (50/ 40 bar)

SO174/2_166 (166) * Latitude: 27.557900 * Longitude: -90.980910 * Date/Time: 2003-11-08T00:35:00 * Elevation: -953.0 m * Recovery: 1.4 m * Campaign: (OTEGA II) * Basis: * Method/Device: Dynamic autoclave piston corer (DAPC) * Comment: 80 bar; for degassing

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	Event label	Event
2	Latitude of event	Latitude
3	Longitude of event	Longitude
4	Elevation of event	Elevation	m
5	Location type	Loc type		Heeschen, Katja U
6	C1 hydrocarbons	C1	%	Heeschen, Katja U	Gas chromatography (Thermo-Electron), capillary column and FID
7	Standard deviation	Std dev	±	Heeschen, Katja U
8	C2 hydrocarbons	C2	%	Heeschen, Katja U	Gas chromatography (Thermo-Electron), capillary column and FID
9	Standard deviation	Std dev	±	Heeschen, Katja U
10	C3 hydrocarbons	C3	%	Heeschen, Katja U	Gas chromatography (Thermo-Electron), capillary column and FID
11	Standard deviation	Std dev	±	Heeschen, Katja U
12	iso-C4 hydrocarbons	i-C4	%	Heeschen, Katja U	Gas chromatography (Thermo-Electron), capillary column and FID
13	Standard deviation	Std dev	±	Heeschen, Katja U
14	n-C4 hydrocarbons	n-C4	%	Heeschen, Katja U	Gas chromatography (Thermo-Electron), capillary column and FID
15	Standard deviation	Std dev	±	Heeschen, Katja U
16	C5-isomers hydrocarbons	C5-isomers	%	Heeschen, Katja U	Gas chromatography (Thermo-Electron), capillary column and FID
17	Standard deviation	Std dev	±	Heeschen, Katja U
18	Comment	Comment		Heeschen, Katja U		Number of samples

License:

Creative Commons Attribution 3.0 Unported (CC-BY-3.0)

Size:

78 data points

Data

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

1 Event	2 Latitude	3 Longitude	4 Elevation [m]	5 Loc type	6 C1 [%]	7 Std dev [±]	8 C2 [%]	9 Std dev [±]	10 C3 [%]	11 Std dev [±]	12 i-C4 [%]	13 Std dev [±]	14 n-C4 [%]	15 Std dev [±]	16 C5-isomers [%]	17 Std dev [±]	18 Comment (Number of samples)
SO174/2_158	27.782800	-91.507810	-555	GC185, avg	72.55	1.89	10.91	2.82	12.73	2.11	2.56	1.05	1.22	0.20	0.02	0.01	n=12
SO174/2_158	27.782800	-91.507810	-555	GC185, TVG-10	72.64	2.17	12.37	1.42	11.68	1.20	1.98	0.25	1.31	0.14	0.02	0.00	n=9
SO174/2_158	27.782800	-91.507810	-555	C185, GC02	72.28	0.24	6.54	0.54	15.87	0.60	4.32	0.29	0.95	0.06	0.05	0.02	n=3
SO174/2_158	27.782800	-91.507810	-555	GC185, Mean	76.30		8.10		11.60		2.70		1.00		0.00		As cited in Chen and Cathles (2003)
SO174/2_166	27.557900	-90.980910	-953	GC415 East	83.31	2.94	7.26	1.64	6.73	1.67	1.48	0.41	1.16	0.26	0.02	0.02	n=5
SO174/2_166	27.557900	-90.980910	-953	GC415 West	77.03	5.61	12.19	2.32	7.85	4.37	1.39	0.70	2.09	0.75	0.03	0.03	n=3