Articles | Volume 17, issue 5
https://doi.org/10.5194/cp-17-1795-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/cp-17-1795-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
09 Sep 2021
Research article |
| 09 Sep 2021
| 09 Sep 2021
El Niño–Southern Oscillation signal in a new East Antarctic ice core, Mount Brown South
Camilla K. Crockart
CORRESPONDING AUTHOR
Australian Antarctic Program Partnership, Institute for Marine &
Antarctic Studies, University of Tasmania, Hobart TAS 7004, Australia
Tessa R. Vance
Australian Antarctic Program Partnership, Institute for Marine &
Antarctic Studies, University of Tasmania, Hobart TAS 7004, Australia
Alexander D. Fraser
Australian Antarctic Program Partnership, Institute for Marine &
Antarctic Studies, University of Tasmania, Hobart TAS 7004, Australia
Nerilie J. Abram
Research School of Earth Sciences and ARC Centre of Excellence for
Climate Extremes, Australian National University, Canberra ACT 2601, Australia
Alison S. Criscitiello
Department of Earth and Atmospheric Sciences, University of Alberta, Edmonton T6G 2R3, Canada
Mark A. J. Curran
Australian Antarctic Division, Channel Highway, Kingston TAS 7050,
Australia
Australian Antarctic Program Partnership, Institute for Marine &
Antarctic Studies, University of Tasmania, Hobart TAS 7004, Australia
Vincent Favier
Institut des Géosciences de l'Environnement, Université
Grenoble-Alpes, Grenoble 38400, France
Ailie J. E. Gallant
School of Earth, Atmosphere and Environment, Monash University,
Rainforest Walk, Clayton VIC 3800, Australia
Christoph Kittel
Laboratory of Climatology, Department of Geography, Spheres,
University of Liège, Liège 4000, Belgium
Helle A. Kjær
Physics of Ice, Climate and Earth, Niels Bohr Institute, University of Copenhagen, Copenhagen 2100, Denmark
Andrew R. Klekociuk
Australian Antarctic Division, Channel Highway, Kingston TAS 7050,
Australia
Australian Antarctic Program Partnership, Institute for Marine &
Antarctic Studies, University of Tasmania, Hobart TAS 7004, Australia
Lenneke M. Jong
Australian Antarctic Division, Channel Highway, Kingston TAS 7050,
Australia
Australian Antarctic Program Partnership, Institute for Marine &
Antarctic Studies, University of Tasmania, Hobart TAS 7004, Australia
Andrew D. Moy
Australian Antarctic Division, Channel Highway, Kingston TAS 7050,
Australia
Australian Antarctic Program Partnership, Institute for Marine &
Antarctic Studies, University of Tasmania, Hobart TAS 7004, Australia
Christopher T. Plummer
Australian Antarctic Program Partnership, Institute for Marine &
Antarctic Studies, University of Tasmania, Hobart TAS 7004, Australia
Paul T. Vallelonga
Physics of Ice, Climate and Earth, Niels Bohr Institute, University of Copenhagen, Copenhagen 2100, Denmark
now at: UWA Oceans Institute, University of Western Australia,
Perth WA 6909, Australia
Jonathan Wille
Institut des Géosciences de l'Environnement, Université
Grenoble-Alpes, Grenoble 38400, France
Lingwei Zhang
Australian Antarctic Program Partnership, Institute for Marine &
Antarctic Studies, University of Tasmania, Hobart TAS 7004, Australia
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Latest update: 25 Nov 2025
Short summary
We present preliminary analyses of the annual sea salt concentrations and snowfall accumulation in a new East Antarctic ice core, Mount Brown South. We compare this record with an updated Law Dome (Dome Summit South site) ice core record over the period 1975–2016. The Mount Brown South record preserves a stronger and inverse signal for the El Niño–Southern Oscillation (in austral winter and spring) compared to the Law Dome record (in summer).
We present preliminary analyses of the annual sea salt concentrations and snowfall accumulation...
