Citation:

PANGAEA.937438

Name: Concentrations of levoglucosan, black carbon and ammonium from the RECAP ice core, East Greenland, for the last 5000 years in 20 years bins
Published: 2021-10-15
License: https://creativecommons.org/licenses/by/4.0/
Keywords: ammonium; black carbon; fire proxies; Greenland; ice cores; Iceland; levoglucosan; Vikings

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Abstract:

This dataset presents the fire proxies levoglucosan, black carbon and ammonium measured in the RECAP ice core, in coastal East Greenland. The datasets cover a period of 5000 years and are averaged in 20 years bins. Levoglucosan has been determined using high performance liquid chromatography/negative ion electrospray ionization – tandem mass spectrometry (HPLC/(-)ESI-MS/MS). Black carbon has been measured using a BC analyzer connected to the Continuous Flow Analysis system. Ammonium (NH4+) has been measured by fluorescence within the Continuous Flow Analysis setup.

Keyword(s):

ammonium; black carbon; fire proxies; Greenland; ice cores; Iceland; levoglucosan; Vikings

Related to:

Segato, Delia; Villoslada Hidalgo, Maria Del Carmen; Edwards, Ross; Barbaro, Elena; Vallelonga, Paul T; Kjær, Helle Astrid; Simonsen, Marius; Vinther, Bo Møllesøe; Maffezzoli, Niccolò; Zangrando, Roberta; Turetta, Clara; Battistel, Dario; Vésteinsson, Orri; Barbante, Carlo; Spolaor, Andrea (2021): Five thousand years of fire history in the high North Atlantic region: natural variability and ancient human forcing. Climate of the Past, 17(4), 1533-1545, https://doi.org/10.5194/cp-17-1533-2021

Project(s):

Arctic Sea Ice and Greenland Ice Sheet Sensitivity (ice2ice)

How long have human activities been affecting the climate system? (EARLYHUMANIMPACT)

Integrative and Comprehensive Understanding on Polar Environments (iCUPE)

REnland ice CAP project (RECAP)

The European network for observing our changing planet (ERA-PLANET)

Funding:

European Research Council (ERC), grant/award no. 267696 : How long have human activities been affecting the climate system?

European Research Council (ERC), grant/award no. 610055 : Arctic Sea Ice and Greenland Ice Sheet Sensitivity

Horizon 2020 (H2020), grant/award no. 689443 : The European network for observing our changing planet

Coverage:

Latitude: 71.303667 * Longitude: -26.713111

Minimum DEPTH, ice/snow: 24.4500 m * Maximum DEPTH, ice/snow: 481.6540 m

Event(s):

RECAP * Latitude: 71.303667 * Longitude: -26.713111 * Elevation: 2340.0 m * Recovery: 584 m * Location: Renland Ice Cap, East Greenland * Method/Device: Ice drill (ICEDRILL) * Comment: drilled May to June 2015

Parameter(s):

#	Name	Short Name	Unit	Principal Investigator	Method/Device	Comment
1	DEPTH, ice/snow	Depth ice/snow	m	Segato, Delia		Geocode
2	Age	Age	ka b2k	Segato, Delia
3	Levoglucosan	Levoglucosan	µg/kg	Segato, Delia	High performance liquid chromatography/negative ion electrospray ionization – tandem mass spectrometry (HPLC/(-)ESI-MS/MS)
4	Black carbon	BC	µg/kg	Segato, Delia	Black carbon analyzer (SP2, Droplet Measurement Technologies, Boulder, Colorado) connected to the Continuous Flow Analysis system
5	Ammonium	[NH4]+	µg/kg	Segato, Delia	Continuous Flow Analysis (CFA)

License:

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

Status:

Curation Level: Enhanced curation (CurationLevelC)

Size:

914 data points

Data

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

1 Depth ice/snow [m]	2 Age [ka b2k]	3 Levoglucosan [µg/kg]	4 BC [µg/kg]	5 [NH4]+ [µg/kg]
24.4500	0.01			13.141747220
37.9075	0.03			12.518902620
49.2440	0.05			6.850608614
59.6505	0.07			10.453548650
69.0790	0.09	0.032005450		7.373879514
77.9770	0.11	0.042962939		6.857867618
86.0840	0.13	0.032034238		4.920465126
93.6690	0.15	0.048864782		9.337501707
100.8940	0.17	0.061728188		3.700136418
108.4340	0.19	0.021471452		5.210449447
114.8880	0.21	0.031650430		1.877360356
120.8180	0.23	0.011105641		4.159077941
127.0490	0.25	0.024987474		2.910432849
133.4590	0.27	0.040614304
139.7830	0.29	0.029215460
146.0830	0.31	0.034032013
151.6680	0.33	0.018324930
157.3560	0.35	0.043685424
162.4230	0.37	0.042576639
167.7430	0.39
172.7480	0.41		0.742968128
177.4460	0.43		0.781784908	5.599063977
181.9470	0.45	0.011475693	0.970175875	4.453943829
186.5930	0.47	0.017860519	0.753611571	3.228254089
191.2090	0.49	0.015716977	1.201651025	4.221375617
195.4050	0.51	0.019018810	0.789625592	4.648393085
199.6060	0.53	0.023419921	0.538653746	4.390964995
203.9600	0.55	0.025018014	0.534414421	4.068283879
207.7310	0.57	0.022376346	0.523725179	3.964798204
211.7280	0.59	0.028922090	0.712215608	2.412969003
215.5490	0.61	0.025694469	0.877689829	4.885741451
218.9550	0.63	0.029421818	0.803333571	8.667425032
222.4840	0.65		0.659439571	1.589881746
225.7260	0.67		0.795718154	3.534436731
228.9300	0.69	0.021484523	0.697495371	3.536533493
232.1880	0.71		0.836454650	2.891485128
235.3080	0.73	0.019638859	0.997598687	3.699567946
238.1200	0.75	0.015110513	0.938727142	8.176279896
240.9420	0.77	0.014796203	0.990631554	5.241155113
243.7690	0.79	0.015351565	1.348729208	3.254945325
246.4150	0.81	0.014068137	0.972882479	3.975440875
249.2990	0.83	0.019880639	0.862545712	4.238244865
251.9590	0.85	0.022201916	0.827607550	4.386724729
254.4740	0.87	0.019291172	0.744694996	4.256013537
257.1440	0.89	0.032021668	0.729462754	3.062124240
259.8390	0.91	0.024726687	0.774435521	3.843074673
262.3090	0.93	0.017378618	0.862405267	4.679692559
264.8290	0.95	0.019930522	0.831595808	5.657614965
267.2050	0.97	0.022797500	0.923373754	4.692229710
269.5810	0.99	0.022583893	0.816330525	3.382446222
271.9710	1.01	0.012900369	0.724260988
274.5000	1.03	0.020310255	0.840215525
276.8580	1.05	0.026580680	0.893711646
278.9610	1.07	0.023171023	0.908690558
281.2130	1.09	0.014305983	0.977126142
283.5890	1.11	0.028400448	0.785047833
285.8050	1.13	0.017113319	0.974476167
287.8610	1.15	0.029451250	0.945804321
290.0930	1.17	0.036469935	1.058282104
292.2370	1.19	0.025566820	0.969094150
294.3220	1.21	0.038307013	0.983932429
296.1220	1.23	0.043555018	0.983756317
298.0430	1.25	0.027634681	0.912903154	5.707593553
300.0620	1.27	0.028294309	0.961596542	4.603222533
302.0750	1.29	0.044507726	1.066959967	6.008370274
304.0840	1.31	0.039483189	1.005028146	2.895535101
306.0680	1.33	0.036366479	1.043294825	3.216990370
307.9130	1.35	0.048735503	1.361089167	8.161195369
309.7570	1.37	0.045523808	1.068055004	5.255400343
311.6900	1.39	0.045896022	0.984882100	4.026774275
313.6730	1.41	0.037957594	0.927255921	5.524398760
315.4520	1.43	0.054192955	1.031084758	4.719277159
317.2220	1.45	0.028712373	0.844218296	3.693252517
318.8990	1.47	0.044354182	1.071240054	4.602502357
320.6750	1.49	0.041094140	0.814399862	4.350213215
322.5200	1.51	0.044857234	0.769243158	7.302456897
324.2900	1.53	0.042478341	0.845704617	6.173113707
325.9910	1.55	0.057111527	1.176515983	4.514542596
327.7850	1.57	0.040043195	0.882339713	5.292544845
329.5850	1.59	0.038062831	0.988911038	5.762996933
331.3070	1.61	0.034224113	0.952828121	5.252029108
333.1190	1.63	0.039326626	0.841655063	5.422470325
334.7900	1.65	0.024598027	0.955868912	6.819317039
336.3940	1.67	0.032580858	0.876332833	3.579360337
337.9690	1.69	0.017457082	0.952592087	8.921237980
339.4110	1.71	0.059078817	1.021014875	4.314336822
340.8610	1.73	0.030090810	0.955709458	4.675013148
342.3640	1.75	0.036530996	1.154802942	4.537212936
344.0540	1.77	0.024046572	0.943338208	5.398466667
345.5790	1.79	0.040546036	0.893392500	6.711082011
347.0340	1.81	0.048944086	0.942730100	6.574932796
348.5990	1.83	0.049645584	0.826617700	4.328210770
350.1040	1.85	0.042343311	0.899937846	6.203044350
351.5390	1.87	0.030218535	1.086548075	10.988849640
353.0890	1.89	0.040519402	1.065851687	4.415492717
354.6160	1.91	0.020139549	0.780597579	6.162386500
356.0720	1.93		0.949547767	4.215982862
357.4970	1.95		0.843132517	5.267879025
359.1510	1.97		0.986895538	4.656852538
360.7340	1.99		1.034116346	6.454446873
362.1490	2.01	0.026436216	1.153965283	9.122278294
363.6610	2.03	0.025499370	1.275359167	7.593364469
365.0650	2.05	0.036870496	1.165237783	3.888409323
366.3770	2.07	0.034367315	0.863536746	4.092695585
367.6650	2.09	0.032181175	0.824979121	6.905458300
368.9950	2.11	0.032288902	0.979780129	4.036156353
370.3370	2.13	0.033412394	1.070294967	4.661575627
371.6690	2.15	0.042039029	1.293761983	6.794398267
373.0010	2.17	0.035285592	1.040238308	3.570099928
374.2630	2.19	0.035040295	0.931662612	5.575329479
375.5170	2.21	0.034328748	0.831883133	4.346824203
376.7250	2.23	0.035467045	0.756470800	3.988610615
378.0210	2.25	0.036587165	0.803377604	3.951583047
379.3090	2.27	0.034357926	0.857063925	4.396883412
380.4410	2.29	0.026051253	1.000414363	6.893208801
381.7270	2.31	0.041600783	0.948604246	5.850208347
382.9190	2.33	0.046010974	1.085298921	6.093367408
384.0570	2.35	0.031946103	1.078979358	5.891752182
385.3310	2.37	0.039766346	1.053486217	4.926200892
386.5830	2.39	0.032077126	0.960638550	3.053239776
387.8790	2.41	0.029829536	0.944757575	4.775923349
389.0950	2.43		0.922925125	3.746188211
390.2910	2.45	0.033759937	1.040726142	4.297553742
391.5810	2.47	0.025035503	1.223744458	4.602294169
392.8870	2.49	0.020678809	0.869476183	3.673041308
394.1710	2.51	0.023217746	0.944603567	5.374089047
395.4270	2.53	0.024173719	1.078350237	5.374739965
396.6150	2.55	0.026757927	1.117037158	4.061565189
397.8330	2.57	0.031451891	0.903734746	3.629995826
398.9870	2.59		0.993052912	5.678725112
400.2690	2.61	0.033431362	1.104843817	6.701735466
401.1760	2.63		0.897715958	3.810491059
402.1030	2.65	0.039662954	0.947169050	4.208037368
403.1040	2.67	0.023830197	0.908992721	6.076242724
404.0720	2.69	0.030747823	0.898070350	5.332659177
405.0310	2.71	0.033778654	0.900008108
406.0350	2.73	0.027176542	0.843557988
407.0070	2.75	0.028274906	0.939967725
407.9500	2.77	0.026406050	0.905141392
408.9350	2.79	0.035095869	0.966917046
409.9180	2.81	0.024997606	0.896995383
410.8530	2.83		0.861694746
411.7710	2.85	0.027607229	1.051570392
412.7530	2.87	0.062662507	1.139743733
413.8140	2.89	0.033856676	0.888411921
414.7070	2.91	0.018866091	1.044494358	3.643072387
415.6830	2.93	0.048537140	0.956155021	3.452988535
416.6900	2.95	0.044855993	0.996183521	4.074252749
417.6300	2.97	0.028384647	1.121510667	3.483916675
418.6220	2.99	0.035947647	1.162490917	4.297944144
419.5290	3.01	0.036912599	1.000289604	3.914413765
420.5370	3.03	0.049161926	0.930441896	4.992236434
421.4790	3.05	0.029761900	0.993426425	4.863235376
422.3520	3.07	0.044784633	0.921969642	3.930451885
423.2880	3.09	0.034641339	0.994889675	4.022134250
424.0790	3.11	0.041802677	1.181327700	3.715423690
424.9170	3.13	0.044337667	0.797451821	4.039788845
425.7000	3.15		0.812524008	5.531522541
426.5360	3.17	0.032967849	0.972287204	7.175317103
427.4070	3.19		1.161828317	3.550061428
428.2350	3.21	0.055608037	0.797256250	5.621512516
429.0300	3.23	0.050637044	0.997226621	6.294874731
429.9090	3.25	0.037183407	0.895600275	4.326581659
430.7280	3.27	0.033210737	0.887515950	6.002825649
431.5710	3.29	0.035018435	0.803936079	3.500129395
432.3920	3.31	0.024503826	0.862917254	3.803486839
433.2510	3.33	0.041053562	0.887599217	4.692552160
434.0800	3.35	0.018908623	0.852828892	4.445615204
434.8380	3.37	0.026261658	0.773580767	3.836881147
435.6780	3.39	0.022028699	0.982649063	3.917213655
436.5720	3.41	0.051370789	0.876353775	6.506336788
437.4160	3.43	0.090585768	1.065669088	4.361231288
438.1410	3.45	0.022454749	0.921992192	6.102606566
438.8430	3.47		0.865517454	5.150315320
439.5420	3.49		1.360702446	6.898299963
440.2590	3.51		1.209645633	5.395151842
441.0170	3.53		0.966754000	5.561473150
441.7240	3.55		1.034743217	4.734118028
442.4220	3.57	0.041120419	0.792891933	3.803195591
443.1230	3.59	0.027316672	0.843486483	5.502863317
443.8510	3.61	0.040529361	1.176697979	9.355788111
444.5760	3.63	0.032803359	1.298791892	7.961823147
445.2870	3.65	0.028204189	1.248186750	4.642750279
445.9680	3.67		1.026518875	4.351456856
446.8590	3.69	0.023158886	0.745705129	3.769537085
447.7050	3.71	0.025388165	0.909059742	4.552000961
448.5780	3.73	0.028607536	1.039077817	5.583325751
449.4200	3.75		0.771356367	3.882888857
450.1790	3.77	0.025978695	0.973329092	4.515864103
450.7750	3.79	0.022130576	1.064338733	4.301320382
451.3170	3.81	0.029082321	0.958517221	4.617208401
451.9130	3.83	0.036567090	0.918938296	4.362705664
452.5010	3.85	0.025928735	0.800508079	5.764018880
453.0960	3.87	0.017890965	0.775449108	4.483916905
453.7260	3.89	0.029490895	1.048107333	4.819127401
454.2750	3.91	0.036314159	0.990807500	3.912367180
454.8650	3.93	0.040906609	0.959880937	3.790860214
455.4290	3.95	0.033248343	0.927651933	3.998523472
456.0500	3.97	0.030369211	1.069081775	5.098063144
456.6090	3.99	0.039501361	1.122096754	6.693868212
457.2040	4.01	0.032446934	0.826273233	5.545562646
457.8040	4.03		1.130701221	5.227941103
458.3840	4.05	0.041666767	1.015648104	5.750171029
458.9490	4.07	0.056108757	1.039471667	4.597014198
459.5120	4.09	0.044817725	1.085780433	6.993332069
460.0710	4.11	0.037924750	0.935802904	4.499624865
460.6280	4.13	0.034203192	1.029940608	6.722735718
461.1820	4.15	0.028280136	1.275943208	4.818227215
461.7330	4.17	0.030709931	1.067245367	3.357666197
462.2810	4.19	0.033310021	0.729552179	3.490283515
462.8270	4.21		0.863169721	2.926887794
463.3700	4.23	0.034362814	0.930921133	4.647182069
463.9100	4.25	0.039013617	1.118241908	6.420482653
464.4470	4.27	0.033432746	0.827572942	4.174441016
464.9810	4.29	0.043566954	0.975460375	5.880267076
465.5130	4.31	0.034438929	1.204843333	5.572933218
466.0420	4.33	0.041899289	0.973311117	6.728880022
466.5680	4.35		0.891953000	2.703670910
467.0920	4.37	0.022892526	0.978193788	0.430957607
467.6130	4.39	0.050477272	1.021737721	3.738192833
468.1310	4.41	0.038657900	0.849982446	3.839617337
468.6460	4.43	0.038743859	0.782557571	4.424710164
469.1590	4.45	0.052591443	0.869225358	3.240632961
469.6690	4.47	0.031674937	0.844194063	4.079371972
470.1760	4.49	0.087328001	0.916506742	2.946038050
470.6810	4.51	0.057296959	0.938031008	2.404920584
471.1830	4.53	0.035936877	1.240604883	2.829720742
471.6820	4.55		0.759578137	2.048088161
472.1750	4.57		0.822552146	2.780430141
472.6620	4.59	0.053769721	0.831894433	3.906951204
473.1430	4.61	0.069000274	0.871132296	5.704528545
473.6190	4.63	0.074460745	1.136514042	9.272404291
474.0910	4.65	0.087140107	0.963390996	1.651976071
474.5600	4.67	0.084025217	0.837257533	4.563925493
475.0260	4.69	0.080303931	1.016935846	6.615476303
475.4910	4.71		0.799011204	6.593461431
475.9550	4.73	0.043463126	0.798955583	4.976804738
476.4190	4.75	0.068365997	1.218390385	3.018241674
476.8820	4.77	0.059743460	0.615281158	3.938702297
477.3420	4.79	0.073455243	0.695655642	6.146325226
477.8000	4.81	0.056505960	0.931782871	4.481860038
478.2540	4.83		0.758008538	6.720979027
478.7030	4.85	0.070307424	0.770365925	6.994480489
479.1460	4.87	0.099434073	1.083992667	5.184522764
479.5830	4.89	0.095203967	1.022271688	4.600586531
480.0120	4.91	0.054404287	0.808514817	4.196468234
480.4330	4.93		0.815990433	5.997901744
480.8460	4.95	0.078840899	0.905427342	6.761471773
481.2530	4.97		0.833757388	6.917020595
481.6540	4.99	0.069071263	0.731468578	6.676270186