Articles | Volume 12, issue 5
The Cryosphere, 12, 1681–1697, 2018
The Cryosphere, 12, 1681–1697, 2018

Research article 18 May 2018

Research article | 18 May 2018

Variability of sea salts in ice and firn cores from Fimbul Ice Shelf, Dronning Maud Land, Antarctica

Carmen Paulina Vega et al.

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Short summary
Ions were measured in firn and ice cores from Fimbul Ice Shelf, Antarctica, to evaluate sea-salt loads. A significant sixfold increase in sea salts was found in the S100 core after 1950s which suggests that it contains a more local sea-salt signal, dominated by processes during sea-ice formation in the neighbouring waters. In contrast, firn cores from three ice rises register the larger-scale signal of atmospheric flow conditions and transport of sea-salt aerosols produced over open water.