800-year ice-core record of nitrogen deposition in Svalbard linked to ocean productivity and biogenic emissions

Wendl, I. A.; Eichler, A.; Isaksson, E.; Martma, T.; Schwikowski, M.

doi:10.5194/acp-15-7287-2015

Articles | Volume 15, issue 13

https://doi.org/10.5194/acp-15-7287-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

https://doi.org/10.5194/acp-15-7287-2015

© Author(s) 2015. This work is distributed under
the Creative Commons Attribution 3.0 License.

Articles | Volume 15, issue 13

Research article

|

07 Jul 2015

Research article |

| 07 Jul 2015

800-year ice-core record of nitrogen deposition in Svalbard linked to ocean productivity and biogenic emissions

I. A. Wendl, A. Eichler, E. Isaksson, T. Martma, and M. Schwikowski

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Jan 2025	28	34	4	66
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Cumulative views and downloads (calculated since 25 Sep 2014)

Month	HTML	PDF	XML	Total
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Oct 2014	82	65	6	153
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Dec 2014	27	17	6	50
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Feb 2015	39	7	1	47
Mar 2015	39	5	2	46
Apr 2015	48	3	1	52
May 2015	16	4	3	23
Jun 2015	23	3	0	26
Jul 2015	224	118	6	348
Aug 2015	40	30	3	73
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Oct 2015	26	10	1	37
Nov 2015	42	32	4	78
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Jan 2024	51	6	1	58
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Apr 2024	90	26	3	119
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Oct 2025	34	21	0	55
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Jan 2026	52	25	9	86
Feb 2026	35	11	4	50
Mar 2026	20	5	1	26

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Short summary

Nitrate and ammonium ice core records from Lomonosovfonna, Svalbard, indicated anthropogenic pollution from Eurasia as major source during the 20th century. In pre-industrial times nitrate is correlated with methane sulfonate, which we explain with a fertilising effect, presumably triggered by enhanced atmospheric nitrogen input to the ocean. Eurasia was likely the main source area also of pre-industrial nitrate, but for ammonium, biogenic emissions from Siberian boreal forests were dominant.