Citation:

PANGAEA.907678

Name: Gas pycnometry firn porosity data of a firn ice core from site Summit
Published: 2019-10-21
License: https://creativecommons.org/licenses/by/4.0/
Keywords: Firn porosity; Gas pyncometry; Gas trapping

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Keyword(s):

Firn porosity; Gas pyncometry; Gas trapping

Coverage:

Latitude: 72.580000 * Longitude: -37.640000

Minimum DEPTH, ice/snow: 7.65 m * Maximum DEPTH, ice/snow: 89.87 m

Event(s):

Summit_firn * Latitude: 72.580000 * Longitude: -37.640000 * Location: Greenland * Method/Device: Firn auger (FIRN)

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	DEPTH, ice/snow	Depth ice/snow	m	Fourteau, Kévin		Geocode
2	Porosity, open	Poros open	cm³	Fourteau, Kévin	Gas pycnometer
3	Porosity, closed	Poros closed	cm³	Fourteau, Kévin	Gas pycnometer
4	Porosity, fractional	Poros frac		Fourteau, Kévin		ratio of pore volume, closed, to pore volume, total
5	Porosity, volume	Poros vol	cm³	Fourteau, Kévin	Gas pycnometer	total porosity
6	Sample volume	Samp vol	cm³	Fourteau, Kévin	Gas pycnometer
7	Density	Density	g/cm³	Fourteau, Kévin	Gas pycnometer	density of firn sample
8	Relative density	Rel dens	cm³/cm³	Fourteau, Kévin		density of the firn ice sample relative to pure ice

License:

Creative Commons Attribution 4.0 International (CC-BY-4.0)

Size:

1414 data points

Data

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

1 Depth ice/snow [m]	2 Poros open [cm³]	3 Poros closed [cm³]	4 Poros frac	5 Poros vol [cm³]	6 Samp vol [cm³]	7 Density [g/cm³]	8 Rel dens [cm³/cm³]
85.38	2.06019	5.11663	0.71294	7.17681	86.61051	0.84223	0.91714
85.33	0.56223	5.10337	0.90076	5.66560	84.81665	0.85698	0.93320
85.28	1.41042	5.63098	0.79970	7.04140	85.97621	0.84298	0.91810
85.23	1.29875	5.63272	0.81263	6.93148	85.97621	0.84403	0.91938
85.38	4.11132	2.70013	0.39641	6.81145	86.20416	0.84550	0.92098
85.18	1.19751	5.58090	0.82334	6.77841	85.64916	0.84539	0.92086
85.13	0.48346	5.12515	0.91380	5.60860	85.39148	0.85788	0.93432
85.08	1.77300	5.23038	0.74684	7.00339	85.80773	0.84324	0.91838
61.62	13.83616	0.47590	0.03325	14.31206	88.23588	0.76890	0.83780
61.67	10.46214	0.57666	0.05224	11.03880	82.42815	0.79486	0.86608
61.72	13.32825	0.30183	0.02214	13.63009	83.07235	0.76718	0.83593
61.77	13.04550	0.22562	0.01700	13.27113	83.07235	0.77115	0.84025
61.82	13.48834	0.18840	0.01378	13.67674	83.15164	0.76681	0.83552
61.87	11.50488	0.42473	0.03560	11.92961	82.77502	0.78537	0.85588
61.92	8.79843	1.17964	0.11822	9.97807	83.15164	0.80751	0.88000
61.97	13.28991	0.21189	0.01569	13.50180	82.60654	0.76764	0.83655
7.65	39.10201	-0.12611	-0.00324	38.97590	82.10109	0.48200	0.52527
7.70	41.11193	-0.29306	-0.00718	40.81888	81.83350	0.45991	0.50120
7.75	41.34413	-0.26927	-0.00656	41.07487	80.32706	0.44840	0.48865
7.80	40.08747	-0.34438	-0.00867	39.74309	81.48662	0.47007	0.51227
7.85	40.93206	-0.51840	-0.01283	40.41367	81.97225	0.46522	0.50698
81.78	0.93533	5.66708	0.85833	6.60241	92.62636	0.85241	0.92872
81.82	1.55127	6.18862	0.79957	7.73989	92.78494	0.84127	0.91658
81.87	1.98508	6.05742	0.75318	8.04250	92.80476	0.83829	0.91334
71.89	3.86840	4.55726	0.54088	8.42566	87.12587	0.82888	0.90329
71.84	6.99598	2.47118	0.26103	9.46716	87.15560	0.81795	0.89138
71.79	8.66294	1.28581	0.12924	9.94875	87.12587	0.81284	0.88581
71.74	7.67483	2.06699	0.21218	9.74182	87.01685	0.81489	0.88805
71.69	6.94064	2.26765	0.24626	9.20829	86.79881	0.82027	0.89391
66.33	11.39907	0.60457	0.05037	12.00365	82.18038	0.78389	0.85394
66.38	11.32272	0.54917	0.04626	11.87190	82.24975	0.78541	0.85566
66.43	13.06470	0.31930	0.02386	13.38400	82.24975	0.76842	0.83728
66.48	11.94221	0.45071	0.03637	12.39292	81.25867	0.77779	0.84749
66.53	7.59824	1.67236	0.18039	9.27060	82.37859	0.81448	0.88746
66.58	9.89941	0.71105	0.06701	10.61047	82.35877	0.79952	0.87117
75.95	7.41455	2.84046	0.27698	10.25501	90.12884	0.81334	0.88622
76.00	2.62621	5.85213	0.69024	8.47834	89.83152	0.83114	0.90562
76.05	4.20811	4.25718	0.50290	8.46529	89.05847	0.83040	0.90495
76.10	6.85892	2.84111	0.29290	9.70004	90.22795	0.81897	0.89249
76.15	7.80676	1.99416	0.20347	9.80092	89.75223	0.81742	0.89080
76.20	8.28093	2.12512	0.20422	10.40605	89.68285	0.81115	0.88397
76.25	1.39992	5.99983	0.81082	7.39974	89.83152	0.84203	0.91763
76.30	5.32152	3.62717	0.40533	8.94869	89.90089	0.82628	0.90046
76.35	4.46908	4.60964	0.50774	9.07873	90.12884	0.82519	0.89927
76.40	5.41400	3.87173	0.41695	9.28572	89.79187	0.82273	0.89659
66.25	9.27966	1.54525	0.14275	10.82491	84.95540	0.80082	0.87258
66.20	10.92814	0.43943	0.03866	11.36757	83.96432	0.79351	0.86461
66.15	12.66965	0.29136	0.02248	12.96101	84.13280	0.77638	0.84595
66.10	12.86318	0.23150	0.01768	13.09469	84.21209	0.77505	0.84450
66.05	9.39712	1.75459	0.15734	11.15171	84.28147	0.79633	0.86768
66.00	7.72123	1.65962	0.17692	9.38084	83.92468	0.81518	0.88822
76.62	4.72394	4.07418	0.46307	8.79813	89.11794	0.82716	0.90128
76.67	4.83397	4.28613	0.46997	9.12010	88.93954	0.82365	0.89746
76.72	7.36170	2.12147	0.22371	9.48317	89.00892	0.81998	0.89346
76.77	1.35162	5.86854	0.81280	7.22016	89.23687	0.84351	0.91909
37.30	22.71090	0.24683	0.01075	22.95773	86.37265	0.67372	0.73420
37.35	21.54562	0.22706	0.01043	21.77268	87.70069	0.68981	0.75174
37.40	22.90426	0.16847	0.00730	23.07273	86.97721	0.67420	0.73473
37.45	21.07444	0.15350	0.00723	21.22794	86.37265	0.69210	0.75423
37.50	21.35286	0.04702	0.00220	21.39988	87.73043	0.69379	0.75607
37.55	23.86547	-0.02642	-0.00111	23.83905	87.37364	0.66726	0.72716
37.60	24.13505	-0.28626	-0.01200	23.84880	86.82854	0.66558	0.72533
25.03	31.25407	0.44278	0.01397	31.69685	91.55600	0.60003	0.65380
25.08	30.75679	0.11916	0.00386	30.87595	90.60456	0.60501	0.65922
25.13	30.96728	-0.07392	-0.00239	30.89335	90.87215	0.60576	0.66003
25.18	30.28615	0.02369	0.00078	30.30983	90.83251	0.61151	0.66631
25.23	29.22357	0.10051	0.00343	29.32408	90.45590	0.62024	0.67582
25.28	30.25413	0.07383	0.00243	30.32796	90.53518	0.61033	0.66501
65.35	8.95983	1.25497	0.12286	10.21481	84.96531	0.80743	0.87978
65.40	11.25446	0.65362	0.05489	11.90808	85.11397	0.78936	0.86009
65.45	12.44341	0.42262	0.03285	12.86603	84.99504	0.77884	0.84863
65.50	9.19122	1.41613	0.13350	10.60736	84.50942	0.80257	0.87448
65.55	8.96694	1.06803	0.10643	10.03496	85.02478	0.80944	0.88198
65.60	10.91927	0.65619	0.05669	11.57547	84.95540	0.79271	0.86375
65.65	11.32274	0.35448	0.03036	11.67722	84.02379	0.79022	0.86102
65.70	12.20654	0.27369	0.02193	12.48023	84.48959	0.78220	0.85229
65.78	8.38199	1.22126	0.12717	9.60324	84.76710	0.81379	0.88671
67.85	12.41443	0.60713	0.04663	13.02156	92.96333	0.78897	0.85993
67.90	8.43205	2.61328	0.23660	11.04533	93.03271	0.80855	0.88127
67.95	9.60542	1.71471	0.15147	11.32013	93.44896	0.80634	0.87886
68.00	11.82778	0.72945	0.05809	12.55722	93.26065	0.79395	0.86535
68.05	11.58928	0.76897	0.06222	12.35825	93.18137	0.79580	0.86737
68.10	12.66270	0.58147	0.04390	13.24417	93.07235	0.78686	0.85770
68.15	13.50735	0.44450	0.03186	13.95184	92.73538	0.77939	0.84955
68.20	11.55504	0.89190	0.07166	12.44694	93.26065	0.79491	0.86654
68.25	12.77224	0.56707	0.04251	13.33931	93.26065	0.78613	0.85697
72.45	10.68849	0.98697	0.08453	11.67546	92.24975	0.80124	0.87344
72.50	9.25769	1.89113	0.16963	11.14882	92.62636	0.80693	0.87964
72.55	10.35599	1.12088	0.09766	11.47687	92.70565	0.80365	0.87620
72.60	6.93518	2.47926	0.26335	9.41445	91.87314	0.82321	0.89753
72.65	5.04081	3.66245	0.42081	8.70326	92.02180	0.83045	0.90542
72.70	5.73307	3.55732	0.38290	9.29038	92.24975	0.82483	0.89929
72.75	6.45254	3.36029	0.34244	9.81283	92.24975	0.81964	0.89363
72.80	7.69648	2.17820	0.22058	9.87468	91.95243	0.81870	0.89261
72.85	1.60638	6.29082	0.79659	7.89721	92.24975	0.83868	0.91439
70.13	10.22317	0.89231	0.08028	11.11549	85.85728	0.79846	0.87054
70.18	8.47686	1.32053	0.13478	9.79739	85.69871	0.81228	0.88568
70.23	8.79193	1.14696	0.11540	9.93889	85.69871	0.81077	0.88403
70.28	9.48451	1.16872	0.10971	10.65324	85.62934	0.80303	0.87559
70.33	7.80422	1.54947	0.16565	9.35369	85.45094	0.81674	0.89054
70.38	5.83010	3.04740	0.34327	8.87750	85.31219	0.82170	0.89594
78.98	1.27181	5.53271	0.81309	6.80453	87.77998	0.84636	0.92248
79.03	2.25247	5.23162	0.69903	7.48409	87.88900	0.83929	0.91485
79.08	2.59705	4.85932	0.65170	7.45637	87.99802	0.83961	0.91527
79.13	5.63540	3.38145	0.37501	9.01685	88.17641	0.82353	0.89774
79.18	5.24142	3.50550	0.40077	8.74693	87.71060	0.82586	0.90028
79.23	3.33185	4.52368	0.57586	7.85553	87.70069	0.83517	0.91043
79.28	0.82103	5.72898	0.87465	6.55001	87.91873	0.84900	0.92550
79.33	4.22856	3.93499	0.48202	8.16354	87.88900	0.83213	0.90712
79.38	1.97470	5.74616	0.74424	7.72086	87.63132	0.83652	0.91189
83.33	0.61020	5.41458	0.89872	6.02478	85.12389	0.85248	0.92922
83.38	1.01226	5.73151	0.84990	6.74378	85.55996	0.84510	0.92118
83.43	2.77357	5.21772	0.65293	7.99129	85.59960	0.83177	0.90664
83.48	1.17742	5.82553	0.83187	7.00296	85.02478	0.84185	0.91764
83.53	3.17436	4.16484	0.56748	7.33920	86.03568	0.83915	0.91470
83.58	0.01579	4.89210	0.99678	4.90788	85.63925	0.86484	0.94269
83.63	0.58367	5.44482	0.90318	6.02850	85.53023	0.85275	0.92952
73.00	7.73723	2.15355	0.21773	9.89077	86.82854	0.81309	0.88609
73.05	3.64382	4.21619	0.53641	7.86001	86.67988	0.83441	0.90932
73.10	4.05644	4.09343	0.50227	8.14987	86.71952	0.83138	0.90602
73.15	9.38780	0.91873	0.08914	10.30652	86.96729	0.80881	0.88149
73.25	7.52106	1.93638	0.20475	9.45744	86.74926	0.81752	0.89098
73.30	8.47124	1.45793	0.14683	9.92916	86.70961	0.81248	0.88549
73.35	10.12581	0.88792	0.08062	11.01373	86.96729	0.80135	0.87336
73.40	4.16060	4.12880	0.49808	8.28940	86.78890	0.82991	0.90449
73.45	1.21919	5.97887	0.83062	7.19805	86.60059	0.84129	0.91688
84.30	0.76750	4.78347	0.86174	5.55096	85.57978	0.85797	0.93514
84.35	1.11106	5.56528	0.83358	6.67633	85.42121	0.84577	0.92184
84.40	1.11400	5.38297	0.82854	6.49697	85.25273	0.84756	0.92379
84.45	0.30102	4.76827	0.94062	5.06930	85.60951	0.86315	0.94079
84.50	0.22922	5.14744	0.95737	5.37666	85.47076	0.85977	0.93709
84.55	0.37822	5.31378	0.93355	5.69200	85.36174	0.85630	0.93332
84.60	0.51939	5.11820	0.90787	5.63759	85.36174	0.85689	0.93396
84.65	0.41276	4.89246	0.92220	5.30522	85.86720	0.86080	0.93822
84.70	0.16234	4.66716	0.96639	4.82950	85.39148	0.86559	0.94344
51.50	14.19531	0.32883	0.02264	14.52414	85.28246	0.76123	0.82969
51.55	16.64390	0.31313	0.01847	16.95703	85.55005	0.73563	0.80179
51.60	16.83234	0.19482	0.01144	17.02716	85.50050	0.73477	0.80085
51.65	16.15284	0.12764	0.00784	16.28048	85.56987	0.74292	0.80974
51.70	14.73436	0.25129	0.01677	14.98565	85.56987	0.75681	0.82487
51.75	13.88022	0.25285	0.01789	14.13306	85.60951	0.76602	0.83491
51.80	14.19873	0.18826	0.01309	14.38699	85.46085	0.76303	0.83165
51.85	15.25325	0.18122	0.01174	15.43447	85.43112	0.75172	0.81933
77.25	6.43375	2.49742	0.27963	8.93116	85.11397	0.82115	0.89507
77.30	5.25247	3.69839	0.41319	8.95086	86.13479	0.82208	0.89608
77.35	4.32254	4.43807	0.50659	8.76061	85.96630	0.82392	0.89809
77.40	1.68828	5.69873	0.77145	7.38701	86.21407	0.83881	0.91432
77.45	3.20718	5.02743	0.61052	8.23461	86.11497	0.82969	0.90438
77.50	5.23673	3.61482	0.40838	8.85155	85.92666	0.82291	0.89699
77.55	7.21258	2.10280	0.22573	9.31538	85.85728	0.81787	0.89150
77.60	3.43638	4.38452	0.56062	7.82090	86.00595	0.83399	0.90907
77.65	1.15048	5.74079	0.83305	6.89127	85.60951	0.84356	0.91950
47.13	19.11208	0.28645	0.01477	19.39853	83.21110	0.70376	0.76688
47.18	19.23723	0.07137	0.00370	19.30860	83.24083	0.70482	0.76804
47.23	17.15712	0.16461	0.00950	17.32173	83.20119	0.72664	0.79181
47.28	16.13002	0.20201	0.01237	16.33203	83.31021	0.73779	0.80396
47.33	16.49469	0.11366	0.00684	16.60835	83.10208	0.73423	0.80015
47.38	17.78751	0.09103	0.00509	17.87854	83.24083	0.72053	0.78522
47.43	18.85606	-0.05233	-0.00278	18.80373	82.96333	0.70959	0.77335
47.58	18.54741	-0.02582	-0.00139	18.52160	82.84440	0.71241	0.77643
81.18	2.89098	5.75900	0.66578	8.64998	90.97126	0.83050	0.90492
81.23	1.19531	5.68381	0.82624	6.87912	91.50644	0.84877	0.92482
81.28	0.46030	5.87568	0.92735	6.33598	91.65510	0.85425	0.93087
81.33	1.99965	6.10671	0.75332	8.10636	91.95243	0.83673	0.91184
81.38	2.02560	6.08805	0.75035	8.11365	91.65510	0.83639	0.91148
81.43	3.53390	4.85583	0.57878	8.38973	91.72448	0.83369	0.90853
81.48	0.84554	6.52132	0.88522	7.36686	91.61546	0.84384	0.91959
81.53	0.61392	5.63933	0.90182	6.25325	92.10109	0.85532	0.93210
68.45	12.60069	0.35604	0.02748	12.95673	88.06739	0.78250	0.85288
68.50	7.84737	2.11524	0.21232	9.96261	88.13677	0.81371	0.88696
68.55	9.96477	0.85789	0.07927	10.82267	88.35481	0.80504	0.87751
68.60	11.28310	0.57082	0.04815	11.85392	88.60258	0.79467	0.86621
68.65	12.46878	0.41651	0.03232	12.88530	87.84936	0.78285	0.85333
68.70	9.96903	1.57183	0.13620	11.54086	88.35481	0.79758	0.86938
68.75	7.25199	2.33854	0.24384	9.59052	88.60258	0.81811	0.89176
68.80	9.02629	1.26725	0.12311	10.29355	88.42418	0.81061	0.88359
68.90	6.63010	2.89869	0.30420	9.52879	89.45491	0.81969	0.89348
68.95	6.88329	3.37785	0.32919	10.26114	89.08821	0.81174	0.88482
69.00	10.12910	0.96953	0.08736	11.09863	88.87017	0.80284	0.87511
69.05	9.57524	1.02142	0.09639	10.59666	88.10704	0.80707	0.87973
69.10	10.22929	0.90898	0.08161	11.13827	88.90981	0.80248	0.87472
69.15	7.66799	1.88892	0.19765	9.55691	88.61249	0.81847	0.89215
80.37	2.08870	5.87429	0.73770	7.96299	88.04757	0.83438	0.90956
80.42	4.05563	4.03290	0.49860	8.08853	87.98811	0.83301	0.90807
80.47	1.08418	5.58651	0.83747	6.67069	87.90882	0.84773	0.92412
80.52	2.75518	5.04225	0.64666	7.79742	87.84936	0.83592	0.91124
80.57	3.26279	4.78571	0.59461	8.04850	87.73043	0.83318	0.90826
80.62	1.77684	5.91934	0.76913	7.69618	87.66105	0.83680	0.91221
80.67	4.15462	3.84666	0.48076	8.00128	87.32408	0.83329	0.90837
80.72	1.49218	5.79979	0.79537	7.29197	87.34390	0.84076	0.91651
89.52	0.43580	4.63736	0.91410	5.07317	83.65709	0.86158	0.93936
89.57	0.28074	4.25955	0.93817	4.54028	83.32012	0.86722	0.94551
89.62	0.07277	3.93392	0.98184	4.00669	83.76611	0.87333	0.95217
89.67	0.26873	4.31349	0.94135	4.58223	83.55798	0.86690	0.94516
89.72	0.08765	4.21256	0.97962	4.30021	83.54807	0.86999	0.94853
89.77	0.41462	4.45237	0.91481	4.86699	82.21011	0.86290	0.94080
89.82	0.59039	5.38679	0.90123	5.97718	82.21011	0.85052	0.92729
89.87	0.47188	5.18921	0.91664	5.66109	83.76611	0.85521	0.93242
81.20	1.96656	3.54614	0.64327	5.51270	59.20714	0.83193	0.90689
81.30	0.28022	3.54143	0.92668	3.82164	58.47374	0.85739	0.93464
81.35	1.35118	3.43123	0.71747	4.78241	58.55302	0.84242	0.91832
81.40	1.28250	2.73822	0.68103	4.02072	48.00793	0.84051	0.91625