Articles | Volume 16, issue 6
Clim. Past, 16, 2459–2483, 2020
https://doi.org/10.5194/cp-16-2459-2020

Special issue: Reconstructing Southern Ocean sea-ice dynamics on glacial-to-historical...

Clim. Past, 16, 2459–2483, 2020
https://doi.org/10.5194/cp-16-2459-2020

Research article 11 Dec 2020

Research article | 11 Dec 2020

Sea ice dynamics in the Bransfield Strait, Antarctic Peninsula, during the past 240 years: a multi-proxy intercomparison study

Maria-Elena Vorrath et al.

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Sea Ice dynamics in the Bransfield Strait, Antarctic Peninsula, during the past 240 years: a multi-proxy intercomparison study Vorrath, Maria-Elena Müller, Juliane Rebolledo, Lorena Cárdenas, Paola Shi, Xiaoxu Esper, Oliver Opel, Thomas Geibert, Walter Muñoz, Praxedes Haas, Christian Lange, Carina B. Lohmann, Gerrit Mollenhauer, Gesine https://doi.pangaea.de/10.1594/PANGAEA.918808

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Short summary
We tested the applicability of the organic biomarker IPSO25 for sea ice reconstructions in the industrial era at the western Antarctic Peninsula. We successfully evaluated our data with satellite sea ice observations. The comparison with marine and ice core records revealed that sea ice interpretations must consider climatic and sea ice dynamics. Sea ice biomarker production is mainly influenced by the Southern Annular Mode, while the El Niño–Southern Oscillation seems to have a minor impact.