首页|期刊导航|大气和海洋科学快报（英文版）|Influence of the North American Dipole on ENSO onset as simulated by a coupled ocean-Atmosphere model
大气和海洋科学快报（英文版）2021，Vol.14Issue(6)：1-6,6.
Influence of the North American Dipole on ENSO onset as simulated by a coupled ocean-Atmosphere model
Influence of the North American Dipole on ENSO onset as simulated by a coupled ocean-Atmosphere model
摘要
Abstract
北美偶极子(NAD)是热带北大西洋西部和北美东北部的南北向海平面气压异常偶极型模态.以往的观测研究表明,NAD可以有效地影响ENSO事件的爆发.本文利用全球耦合模式FGOALS-g2,评估了NAD与ENSO的关系.结果表明,该模式能较好地重现NAD模态.进一步的分析验证了冬季NAD可以通过强迫冬末春初副热带东北太平洋上空的反气旋和暖海温的出现,在随后的冬季触发El Ni?o事件.此外,在同化NAD实验中,发生El Ni?o事件的概率增加了将近一倍.相比之下,NAO未能在副热带东北太平洋上空引起表面风和海温的异常,因而不能有效地激发次年冬季ENSO事件.关键词
北美偶极子/ENSO/海气耦合模式Key words
North American Dipole/ENSO/Coupled ocean-atmosphere model引用本文复制引用
Jinghua Chao,Guangzhou Fan,Ruiqiang Ding..Influence of the North American Dipole on ENSO onset as simulated by a coupled ocean-Atmosphere model[J].大气和海洋科学快报（英文版）,2021,14(6):1-6,6.基金项目
This work was jointly supported by the National Natural Science Foundation of China[grant number 41975070],and the State Key Labo-ratory of Tropical Oceanography,South China Sea Institute of Oceanol-ogy,Chinese Academy of Sciences[project number LTO1901]. （）
