The impact of multi-year La Niña events on Antarctic sea ice
编号:149 访问权限:仅限参会人 更新:2025-11-06 17:11:26 浏览:8次 口头报告

报告开始:暂无开始时间(Asia/Shanghai)

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摘要
Some research have examined the effects of two-year La Niña events, but impacts of triple-year La Niña events and their differences relative to one or two-year La Nina events remain poorly understood. Based on long-term simulation from the pre-industrial control experiment (piControl) of the CESM2 model, we analyze associations of La Niña events with different durations (single-year, two-year, and triple-year) with Antarctic sea ice cover and discuss possible underlying physical mechanisms. We focus on the peak phase (December to February, DJF) and the lag phase (March to May, MAM) of La Niña events, and employ composite analysis to reveal the evolution of Antarctic sea ice anomaly and its relationship with atmospheric circulation, thermodynamic processes, and sea ice budget. We further analyze impacts of La Niña events after removing the effects of negative Indian Ocean Dipole (nIOD) events.
 
关键词
Multi-year La Niña; Antarctic sea ice; Sea ice budget; Rossby wave train; Indian Ocean Dipole
报告人
Lu LU
student Sun Yat Sen University;Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai);School of Atmospheric Sciences;

稿件作者
Lu LU Sun Yat Sen University;Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai);School of Atmospheric Sciences;
Zihan XIA Sun Yat Sen University;Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai);School of Atmospheric Sciences;
Jiping LIU China;School of Atmospheric Sciences; Zhuhai; Sun Yat-sen University;Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai)
Zhu ZHU Sun Yat-sen University;Southern Marine Science and Engineering Guangdong Laboratory (Zhuhai);School of Atmospheric Sciences
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重要日期
  • 会议日期

    11月20日

    2025

    11月24日

    2025

  • 11月10日 2025

    初稿截稿日期

  • 11月24日 2025

    注册截止日期

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Xiamen University
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