Articles | Volume 16, issue 3
https://doi.org/10.5194/tc-16-779-2022
https://doi.org/10.5194/tc-16-779-2022
Research article
 | 
09 Mar 2022
Research article |  | 09 Mar 2022

Regional variability of diatoms in ice cores from the Antarctic Peninsula and Ellsworth Land, Antarctica

Dieter R. Tetzner, Claire S. Allen, and Elizabeth R. Thomas

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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, https://doi.org/10.1016/j.quascirev.2013.01.011, 2013. 
Allen, C. S., Pike, J., and Pudsey, C. J.: Last glacial–interglacial sea-ice cover in the SW Atlantic and its potential role in global deglaciation, Quaternary Sci. Rev., 30, 2446–2458, https://doi.org/10.1016/j.quascirev.2011.04.002, 2011. 
Allen, C. S., Thomas, E. R., Blagbrough, H., Tetzner, D. R., Warren, R. A., Ludlow, E. C., and Bracegirdle, T. J.: Preliminary Evidence for the Role Played by South Westerly Wind Strength on the Marine Diatom Content of an Antarctic Peninsula Ice Core (1980–2010), 10, 87, https://doi.org/10.3390/geosciences10030087, 2020. 
Alvain, S., Moulin, C., Dandonneau, Y., and Loisel, H.: Seasonal distribution and succession of dominant phytoplankton groups in the global ocean: A satellite view, Global Biogeochem. Cy., 22, GB3001, https://doi.org/10.1029/2007GB003154, 2008. 
Armand, L. K., Crosta, X., Romero, O., and Pichon, J.-J.: The biogeography of major diatom taxa in Southern Ocean sediments: 1. Sea ice related species, Palaeogeogr. Palaeocl., 223, 93–126, https://doi.org/10.1016/j.palaeo.2005.02.015, 2005. 
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Short summary
The presence of diatoms in Antarctic ice cores has been scarcely documented and poorly understood. Here we present a detailed analysis of the spatial and temporal distribution of the diatom record preserved in a set of Antarctic ice cores. Our results reveal that the timing and amount of diatoms deposited present a strong geographical division. This study highlights the potential of the diatom record preserved in Antarctic ice cores to provide useful information about past environmental changes.