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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Cited articles

Abram, N. J., Wolff, E. W., and Curran, M. A. J.: A review of sea ice proxy information from polar ice cores, Quaternary Sci. Rev., 79, 168–183,, 2013.
Adams, P. J., Seinfeld, J. H., and Koch, D. M.: Global concentrations of tropospheric sulfate, nitrate, and ammonium aerosol simulated in a general circulation model, J. Geophys. Res.-Atmos., 104, 13791–13823,, 1999.
Baltensperger, U., Schwikowski, M., Gäggeler, H. W., Jost, D. T., Beer, J., Siegenthaler, U., Wagenbach, D., Hofmann, H. J., and Synal, H. A.: Transfer of atmospheric constituents into an alpine snow field, Atmos. Environ. A-Gen., 27, 1881–1890,, 1993.
Beaudon, E., Moore, J. C., Martma, T., Pohjola, V. A., Van De Wal, R. S. W., Kohler, J., and Isaksson, E.: Lomonosovfonna and Holtedahlfonna ice cores reveal east–west disparities of the Spitsbergen environment since AD 1700, J. Glaciol., 59, 1069–1083,, 2013.
Becagli, S., Castellano, E., Cerri, O., Curran, M., Frezzotti, M., Marino, F., Morganti, A., Proposito, M., Severi, M., and Traversi, R.: Methanesulphonic acid (MSA) stratigraphy from a Talos Dome ice core as a tool in depicting sea ice changes and southern atmospheric circulation over the previous 140 years, Atmos. Environ., 43, 1051–1058, 2009.
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.
Final-revised paper