M. Calisto, I. Usoskin, and E. Rozanov, Influence of a Carrington-like event on the atmospheric chemistry, temperature and dynamics: revised, Environmental Research Letters, vol.8, issue.4, pp.1748-9326045010, 2013.
DOI : 10.1088/1748-9326/8/4/045010

J. E. Dibb and M. Fahnestock, Snow accumulation, surface height change, and firn densification at Summit, Greenland: Insights from 2 years of in situ observation, Journal of Geophysical Research, vol.48, issue.3, pp.10-1029, 2004.
DOI : 10.1029/2003JD004300

K. A. Duderstadt, J. E. Dibb, C. H. Jackman, C. E. Randall, S. C. Solomon et al., Nitrate deposition to surface snow at Summit, Greenland, following the 9 November 2000 solar proton event, Journal of Geophysical Research: Atmospheres, vol.8, issue.8, pp.6938-695710, 1002.
DOI : 10.1029/GL008i008p00895

K. A. Duderstadt, J. E. Dibb, C. H. Jackman, C. E. Randall, N. A. Schwadron et al., Nitrate ion spikes in ice cores not suitable as proxies for solar proton events, Journal of Geophysical Research: Atmospheres, vol.22, issue.18, pp.10-1002, 2015.
DOI : 10.1029/95GL02560

L. Kepko, H. Spence, D. F. Smart, and M. A. Shea, Interhemispheric observations of impulsive nitrate enhancements associated with the four large ground-level solar cosmic ray events, J. Atmos. Sol. Terr. Phys, vol.71, pp.17-18, 1940.

M. Legrand and M. De-angelis, Light carboxylic acids in Greenland ice: A record of past forest fires and vegetation emissions from the boreal zone, Journal of Geophysical Research: Atmospheres, vol.46, issue.D2, pp.4129-414510, 1996.
DOI : 10.1029/95JD03296

M. R. Legrand and R. J. Delmas, Relative contributions of tropospheric and stratospheric sources to nitrate in Antarctic snow, Tellus B: Chemical and Physical Meteorology, vol.8, issue.4, pp.236-249, 1986.
DOI : 10.3402/tellusb.v38i3-4.15132

J. T. Lenaerts, M. R. Van-den-broeke, J. H. Van-angelen, E. Van-meijgaard, and S. J. Dery, Drifting snow climate of the Greenland ice sheet: a study with a regional climate model, The Cryosphere, vol.6, issue.4, pp.891-89910, 2012.
DOI : 10.5194/tc-6-891-2012

K. G. Mccracken, G. A. Dreschhoff, E. J. Zeller, D. F. Smart, and M. A. Shea, Solar cosmic ray events for the period 1561?1994 1. Identification in polar ice, J. Geophys. Res, vol.106598, issue.21, pp.1561-1950585, 1029.

F. Miyake, K. Nagaya, K. Masuda, and T. Nakamura, A signature of cosmic-ray increase in ad 774???775 from tree rings in Japan, Nature, vol.19, issue.7402, pp.486-240, 1038.
DOI : 10.1038/nature11123

A. S. Palmer, T. D. Van-ommen, M. A. Curran, and V. Morgan, Ice-core evidence for a small solar-source of atmospheric nitrate, Geophysical Research Letters, vol.103, issue.10, pp.1953-195610, 2001.
DOI : 10.1029/2000GL012207

J. Savarino and M. Legrand, High northern latitude forest fires and vegetation emissions over the last millennium inferred from the chemistry of a central Greenland ice core, Journal of Geophysical Research: Atmospheres, vol.20, issue.D7, pp.8267-827910, 1998.
DOI : 10.1029/97JD03748

D. F. Smart, M. A. Shea, A. L. Melott, and C. M. Laird, Low time resolution analysis of polar ice cores cannot detect impulsive nitrate events, Journal of Geophysical Research: Space Physics, vol.39, issue.18, pp.9430-944010, 2014.
DOI : 10.1029/2012GL051603

D. F. Smart, M. A. Shea, A. L. Melott, C. M. Laird, and E. W. Wolff, Reply to " Comment on Low time resolution analysis of polar ice cores cannot detect impulsive nitrate events by D.F. Smart et al, J. Geophys. Res. Space Physics, pp.10-1002, 2016.

I. G. Usoskin, B. Kromer, F. Ludlow, J. Beer, M. Friedrich et al., The AD775 cosmic event revisited: the Sun is to blame, Astronomy & Astrophysics, vol.552, pp.10-1051, 2013.
DOI : 10.1051/0004-6361/201321080

S. Whitlow, P. Mayewski, J. Dibb, G. Holdsworth, and M. Twickler, An ice-core-based record of biomass burning in the Arctic and Subarctic, pp.1750-1980, 1994.

E. W. Wolff, A. E. Jones, S. J. Bauguitte, and R. A. Salmon, The interpretation of spikes and trends in concentration of nitrate in polar ice cores, based on evidence from snow and atmospheric measurements, Atmospheric Chemistry and Physics, vol.8, issue.18, pp.5627-5634, 2008.
DOI : 10.5194/acp-8-5627-2008

E. W. Wolff, M. Bigler, M. A. Curran, J. E. Dibb, M. M. Frey et al., The Carrington event not observed in most ice core nitrate records, Geophysical Research Letters, vol.24, issue.5, p.10, 1029.
DOI : 10.1029/GL013i012p01264

E. J. Zeller, G. A. Dreschhoff, and C. M. Laird, Nitrate flux on the Ross Ice Shelf, Antarctica and its relation to solar cosmic rays, Geophysical Research Letters, vol.8, issue.12, pp.1264-126710, 1986.
DOI : 10.1029/GL013i012p01264

E. J. Zeller, G. A. Dreschhoff, and C. M. Laird, A record of solar proton events in a firn core from Windless Bight, Antarct. J. U. S, vol.24, issue.5, pp.92-94, 1989.