Antarctic shelf ocean warming and sea ice melt affected by projected El Niño changes

Wenju Cai (), Fan Jia, Shujun Li, Ariaan Purich, Guojian Wang, Lixin Wu (), Bolan Gan, Agus Santoso, Tao Geng, Benjamin Ng, Yun Yang, David Ferreira, Gerald A. Meehl and Michael J. McPhaden
Additional contact information
Wenju Cai: Ocean University of China
Fan Jia: Chinese Academy of Sciences
Shujun Li: Ocean University of China
Ariaan Purich: Monash University
Guojian Wang: Ocean University of China
Lixin Wu: Ocean University of China
Bolan Gan: Ocean University of China
Agus Santoso: Centre for Southern Hemisphere Oceans Research (CSHOR), CSIRO Oceans and Atmosphere
Tao Geng: Laoshan Laboratory
Benjamin Ng: Centre for Southern Hemisphere Oceans Research (CSHOR), CSIRO Oceans and Atmosphere
Yun Yang: Beijing Normal University
David Ferreira: University of Reading
Gerald A. Meehl: Climate and Global Dynamics Laboratory, National Center for Atmospheric Research
Michael J. McPhaden: NOAA Pacific Marine Environmental Laboratory (PMEL)

Nature Climate Change, 2023, vol. 13, issue 3, 235-239

Abstract: Abstract Antarctic shelf ocean warming affects melt of ice shelf/sheets and sea ice but projected changes vary vastly across climate models. A projected increase in El Niño variability has been found to slow future mid-latitude Southern Ocean warming but how this impacts the Antarctic shelf ocean is unknown. Here we show that a projected increase in El Niño variability accelerates Antarctic shelf ocean warming, hastening ice shelf/sheet melt but slowing sea ice reduction.

Date: 2023
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DOI: 10.1038/s41558-023-01610-x

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