Citation:

PANGAEA.55088

Always quote citation above when using data! You can download the citation in several formats below.

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Related to:

Blunier, Thomas; Chappellaz, Jérôme A; Schwander, Jakob; Barnola, Jean-Marc; Desperts, T; Stauffer, Bernhard; Raynaud, Dominique (1993): Atmospheric methane record from a Greenland ice core over the last 1000 years. Geophysical Research Letters, 20(20), 2219-2222, https://doi.org/10.1029/93GL02414

Blunier, Thomas; Chappellaz, Jérôme A; Schwander, Jakob; Stauffer, Bernhard; Raynaud, Dominique (1995): Variations in atmospheric methane concentration during the Holocene epoch. Nature, 374(6517), 46-49, https://doi.org/10.1038/374046a0

Chappellaz, Jérôme A (1990): Etude du methane atmospherique au cours du dernier cycle climatique a partir d lanalyse de lair piege dans la glace antarctique. PhD Thesis, University of Grenoble, 214 pp

Chappellaz, Jérôme A; Blunier, Thomas; Raynaud, Dominique; Barnola, Jean-Marc; Schwander, Jakob; Stauffer, Bernhard (1993): Synchronous changes in atmospheric CH4 and Greenland climate between 40 and 8 kyr B.P. Nature, 366(6454), 443-445, https://doi.org/10.1038/366443a0

GRIP/GISP (1997): The Greenland Summit Ice Cores CD-ROM GISP2/GRIP. National Snow and Ice Data Center, University of Colorado at Boulder, and World Data Center for Paleoclimatology, National Geophysical Data Center, Boulder Colorado, CD-ROM, grip-gisp.iso

Raynaud, Dominique; Chappellaz, Jérôme A; Barnola, Jean-Marc; Korotkevich, Yevgeniy S; Lorius, C (1988): Climatic and CH4 cycle implications of glacial-interglacial CH4 change in the Vostok ice core. Nature, 333(6174), 655-657, https://doi.org/10.1038/333655a0

Project(s):

Greenland Ice Core Projects (GRIP/GISP/NGRIP)

Coverage:

Latitude: 72.570000 * Longitude: -37.620000

Date/Time Start: 1989-06-01T00:00:00 * Date/Time End: 1992-07-12T00:00:00

Minimum DEPTH, ice/snow: 122.07 m * Maximum DEPTH, ice/snow: 2272.17 m

Event(s):

GRIP * Latitude: 72.570000 * Longitude: -37.620000 * Date/Time Start: 1989-06-01T00:00:00 * Date/Time End: 1992-07-12T00:00:00 * Elevation: 3232.0 m * Penetration: 3028.8 m * Recovery: 3028.8 m * Location: Greenland * Campaign: * Basis: Sampling/drilling ice * Method/Device: ISTUK electromechanical drill (ISTUK)

Comment:

Age is mean age of trapped air in kilocalendar years before 1950. Sample depth relative to surface of summer 1989. One sample =4cm core.

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	DEPTH, ice/snow	Depth ice/snow	m			Geocode
2	AGE	Age	ka BP			Geocode
3	Methane	CH4	ppbv	Raynaud, Dominique	Gas chromatography
4	Methane, minimum	CH4 min	mg/kg	Raynaud, Dominique	Gas chromatography	two sigma experimental
5	Methane, maximum	CH4 max	mg/kg	Raynaud, Dominique	Gas chromatography	two sigma experimental

License:

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

Size:

414 data points

Data

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

1 Depth ice/snow [m]	2 Age [ka BP]	3 CH4 [ppbv]	4 CH4 min [mg/kg]	5 CH4 max [mg/kg]
122.07	0.175	744	0.708	0.780
144.07	0.267	702	0.670	0.734
165.58	0.371	710	0.677	0.743
189.23	0.483	708	0.676	0.740
209.58	0.564	707	0.671	0.743
231.58	0.682	695	0.658	0.732
275.98	0.893	701	0.667	0.735
276.03	0.892	699	0.661	0.737
320.07	1.113	673	0.632	0.714
341.58	1.214	691	0.654	0.728
341.63	1.214	672	0.635	0.709
363.58	1.326	688	0.650	0.726
385.03	1.424	666	0.632	0.700
407.58	1.561	664	0.629	0.699
429.58	1.666	675	0.638	0.712
451.58	1.777	679	0.640	0.718
473.58	1.909	638	0.604	0.672
495.58	2.013	675	0.640	0.710
495.62	2.013	650	0.607	0.693
517.58	2.137	636	0.600	0.672
539.58	2.255	630	0.590	0.670
561.58	2.380	638	0.598	0.678
579.17	2.487	634	0.598	0.670
605.58	2.619	620	0.587	0.653
627.58	2.741	624	0.587	0.661
650.06	2.872	617	0.576	0.658
671.58	2.996	606	0.573	0.639
694.07	3.123	628	0.582	0.674
730.42	3.345	617	0.583	0.651
762.87	3.536	605	0.571	0.639
794.72	3.739	613	0.574	0.652
826.12	3.938	618	0.591	0.645
856.37	4.132	606	0.569	0.643
887.09	4.347	614	0.579	0.649
887.13	4.347	601	0.558	0.644
915.61	4.543	622	0.588	0.656
943.78	4.740	610	0.574	0.646
973.32	4.954	624	0.587	0.661
1000.47	5.148	573	0.543	0.603
1030.17	5.380	592	0.559	0.625
1055.69	5.564	594	0.555	0.633
1082.09	5.771	611	0.580	0.642
1107.72	5.965	610	0.573	0.647
1133.53	6.181	596	0.554	0.638
1158.25	6.386	632	0.595	0.669
1181.97	6.582	622	0.586	0.658
1206.72	6.789	626	0.594	0.658
1230.92	7.000	645	0.611	0.679
1244.06	7.124	661	0.629	0.693
1255.07	7.223	634	0.601	0.667
1267.24	7.320	628	0.594	0.662
1278.73	7.427	659	0.628	0.690
1290.92	7.530	652	0.620	0.684
1302.43	7.647	661	0.609	0.713
1313.84	7.746	644	0.607	0.681
1324.37	7.844	629	0.590	0.668
1331.82	7.915	644	0.608	0.680
1354.04	8.104	588	0.543	0.633
1354.08	8.104	588	0.551	0.625
1375.57	8.325	652	0.609	0.695
1419.57	8.762	690	0.651	0.729
1463.82	9.202	710	0.666	0.754
1474.57	9.308	693	0.656	0.730
1485.57	9.421	695	0.659	0.731
1496.57	9.528	715	0.676	0.754
1508.08	9.653	726	0.685	0.767
1519.08	9.773	712	0.676	0.748
1529.57	9.891	720	0.678	0.762
1540.90	10.013	727	0.684	0.770
1551.57	10.141	720	0.679	0.761
1562.57	10.296	744	0.708	0.780
1573.57	10.447	722	0.684	0.760
1584.57	10.588	720	0.687	0.753
1595.57	10.768	691	0.651	0.731
1606.57	10.919	719	0.681	0.757
1617.57	11.093	698	0.658	0.738
1625.82	11.254	677	0.642	0.712
1635.33	11.449	726	0.681	0.771
1645.23	11.575	686	0.654	0.718
1656.07	11.893	484	0.452	0.516
1667.07	12.152	472	0.440	0.504
1667.11	12.152	471	0.436	0.506
1678.07	12.585	533	0.503	0.563
1689.07	12.757	666	0.626	0.706
1700.07	13.076	689	0.659	0.719
1711.21	13.290	685	0.652	0.718
1722.07	13.534	673	0.638	0.708
1733.07	13.691	660	0.623	0.697
1744.07	13.984	656	0.626	0.686
1755.78	14.242	633	0.600	0.666
1766.34	14.382	653	0.618	0.688
1777.07	14.629	536	0.498	0.574
1788.07	14.946	464	0.428	0.500
1799.07	15.243	453	0.416	0.490
1810.07	15.649	482	0.451	0.513
1821.07	15.979	429	0.393	0.465
1832.23	16.305	416	0.386	0.446
1843.07	16.710	364	0.333	0.395
1854.57	17.048	374	0.334	0.414
1865.07	17.341	375	0.341	0.409
1876.07	17.714	359	0.320	0.398
1887.23	18.057	360	0.321	0.399
1898.07	18.461	372	0.336	0.408
1909.07	18.923	357	0.315	0.399
1920.08	19.338	374	0.336	0.412
1931.07	19.864	362	0.328	0.396
1942.07	20.298	347	0.308	0.386
1953.62	20.915	365	0.332	0.398
1964.07	21.344	402	0.369	0.435
1975.07	21.813	402	0.369	0.435
1986.23	22.506	375	0.337	0.413
1997.07	23.037	372	0.340	0.404
2008.07	23.667	378	0.343	0.413
2018.68	24.191	351	0.314	0.388
2030.07	24.904	390	0.357	0.423
2041.62	25.208	447	0.408	0.486
2052.19	25.950	423	0.385	0.461
2063.58	26.428	396	0.356	0.436
2074.03	27.046	381	0.347	0.415
2085.62	27.832	426	0.395	0.457
2090.57	28.089	382	0.349	0.415
2095.52	28.380	404	0.371	0.437
2107.07	29.116	504	0.470	0.538
2118.07	29.586	392	0.359	0.425
2129.07	30.288	498	0.456	0.540
2140.07	30.984	431	0.399	0.463
2151.32	31.697	540	0.507	0.573
2162.10	32.176	473	0.440	0.506
2172.52	32.981	453	0.419	0.487
2184.07	33.597	566	0.529	0.603
2195.62	34.174	554	0.518	0.590
2206.62	34.701	575	0.539	0.611
2217.24	35.394	450	0.394	0.506
2227.52	36.320	422	0.390	0.454
2239.07	37.028	425	0.388	0.462
2250.07	37.817	505	0.471	0.539
2260.62	38.622	412	0.375	0.449
2272.17	39.408	509	0.468	0.550