Understanding the Development of the 2018/19 Central Pacific El Niño

被引:0
|
作者
Chengyang Guan
Xin Wang
Haijun Yang
机构
[1] Shandong University of Science and Technology,College of Ocean Science and Engineering
[2] Chinese Academy of Sciences,State Key Laboratory of Tropical Oceanography, South China Sea Institute of Oceanology
[3] Southern Marine Science and Engineering Guangdong Laboratory (Guangzhou),Innovation Academy of South China Sea Ecology and Environmental Engineering
[4] Chinese Academy of Sciences,Department of Atmospheric and Oceanic Sciences
[5] Fudan University,undefined
来源
Advances in Atmospheric Sciences | 2023年 / 40卷
关键词
El Niño; subtropical Pacific; westerly anomalies; Ekman transport; 厄尔尼诺; 副热带太平洋; 西风异常; Ekman输运;
D O I
暂无
中图分类号
学科分类号
摘要
A central Pacific (CP) El Niño event occurred in 2018/19. Previous studies have shown that different mechanisms are responsible for different subtypes of CP El Niño events (CP-I El Niño and CP-II El Niño). By comparing the evolutions of surface winds, ocean temperatures, and heat budgets of the CP-I El Niño, CP-II El Niño, and 2018/19 El Niño, it is illustrated that the subtropical westerly anomalies in the North Pacific, which led to anomalous convergence of Ekman flow and surface warming in the central equatorial Pacific, played an important role in the 2018/19 El Niño event as well as in the CP-II El Niño. Although the off-equatorial forcing played a vital role, it is found that the equatorial forcing acted as a driving (damping) term in boreal spring (summer) of the 2018/19 El Niño. The 2018/19 El Niño provides a timely and vivid example that helps illustrate the proposed mechanism of the CP El Niño, which could be leveraged to improve El Niño predictability.
引用
收藏
页码:177 / 185
页数:8
相关论文
共 50 条
  • [21] Different impact of central Pacific and eastern Pacific El Niño on the duration of sudden stratospheric warming
    Yuanpu Li
    Wenshou Tian
    Advances in Atmospheric Sciences, 2017, 34 : 771 - 782
  • [23] Robust contribution of decadal anomalies to the frequency of central-Pacific El Niño
    Arnold Sullivan
    Jing-Jia Luo
    Anthony C. Hirst
    Daohua Bi
    Wenju Cai
    Jinhai He
    Scientific Reports, 6
  • [24] The role of the halted baroclinic mode at the central equatorial Pacific in El Niño event
    Jilin Sun
    Peter Chu
    Qinyu Liu
    Advances in Atmospheric Sciences, 2006, 23 : 45 - 53
  • [25] Understanding the El Niño-like oceanic response in the tropical Pacific to global warming
    Yiyong Luo
    Jian Lu
    Fukai Liu
    Wei Liu
    Climate Dynamics, 2015, 45 : 1945 - 1964
  • [26] Subsurface ocean temperature indices for Central-Pacific and Eastern-Pacific types of El Niño and La Niña events
    Jin-Yi Yu
    Hsun-Ying Kao
    Tong Lee
    Seon Tae Kim
    Theoretical and Applied Climatology, 2011, 103 : 337 - 344
  • [27] Roles of initial ocean states on predicting the 2002/03 central Pacific El Ni?o
    ZHENG Fei
    WANG Hui
    WAN Liying
    Acta Oceanologica Sinica, 2015, 34 (12) : 72 - 79
  • [28] Recent enhancement of central Pacific El Niño variability relative to last eight centuries
    Yu Liu
    Kim M. Cobb
    Huiming Song
    Qiang Li
    Ching-Yao Li
    Takeshi Nakatsuka
    Zhisheng An
    Weijian Zhou
    Qiufang Cai
    Jinbao Li
    Steven W. Leavitt
    Changfeng Sun
    Ruochen Mei
    Chuan-Chou Shen
    Ming-Hsun Chan
    Junyan Sun
    Libin Yan
    Ying Lei
    Yongyong Ma
    Xuxiang Li
    Deliang Chen
    Hans W. Linderholm
    Nature Communications, 8
  • [29] Roles of initial ocean states on predicting the 2002/03 central Pacific El Niño
    Fei Zheng
    Hui Wang
    Liying Wan
    Acta Oceanologica Sinica, 2015, 34 : 72 - 79
  • [30] Distinct Central and Eastern Pacific El Niño Influence on Antarctic Surface Mass Balance
    Macha, J. M. A.
    Mackintosh, A. N.
    Mccormack, F. S.
    Henley, B. J.
    McGregor, H. V.
    van Dalum, C. T.
    Purich, A.
    GEOPHYSICAL RESEARCH LETTERS, 2024, 51 (11)