Further Studies of Ocean-Atmosphere Coupled Dynamics in the Tropical Pacific

热带太平洋海洋-大气耦合动力学的进一步研究

基本信息

  • 批准号:
    0456855
  • 负责人:
  • 金额:
    $ 14.3万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2004
  • 资助国家:
    美国
  • 起止时间:
    2004-01-01 至 2005-09-30
  • 项目状态:
    已结题

项目摘要

This project is an investigation of some of the fundamental processes behind interannual and decadal variability in the coupled ocean-atmosphere system of the tropical Pacific. One focus of the proposed research is whether there are energetic coupled modes in different frequency bands: "fast" - on the order of 1 year; "intermediate" - the ENSO mode; "slow" - a decadal mode, and whether, together these modes and their nonlinear interactions can produce some of the complex time dependence seen in the tropical Pacific. Several approaches will be used to study the problem. First, the linear modes of a hierarchy of different linearized coupled models will be determined. The most complex of these models is a coupled MOM3 multi-level ocean and a multi-level spectral atmospheric model, linearized around a steady state. The response of the linearized models to high-frequency stochastic forcing will also be examined. The upper-ocean energy budgets of these models will be diagnosed in order to understand the dynamics responsible for each mode. A modified version of the Cane-Zebiak intermediate model will be used to examine nonlinear interactions between the different modes. It is anticipated that the fast coupled mode and the ENSO mode will interact primarily through the effects of zonal advection on temperature while the ENSO and decadal mode will interact through ocean thermocline displacement. The effects of using more general stochastic wind stress and heat flux forcing (using observed spatial EOFs with amplitudes that are white noise processes) will also be examined. The process modeling approach will be augmented with analysis of decadal variability in climate model output through a collaboration with Dr. Kimoto of Tokyo University (CCSR). This research is important because it has the potential to improve the physical understanding of the observed behavior of coupled ocean-atmosphere climate phenomena in the tropical Pacific and, hence, projections of climate phenomena such as El Nino.
该项目是对热带太平洋海洋-大气耦合系统年际和年代际变化背后的一些基本过程的调查。拟议研究的一个重点是,在不同频段是否存在能量耦合模:“快”--大约1年;“中间”--ENSO模;“慢”--十年模,以及这些模及其非线性相互作用加在一起是否会产生热带太平洋所见的一些复杂的时间依赖性。将使用几种方法来研究这个问题。首先,确定一系列不同线性化耦合模型的线性模式。这些模式中最复杂的是一个耦合的MOM3多层海洋和一个多层光谱大气模式,在稳定状态附近线性化。还将考察线性化模型对高频随机强迫的响应。将对这些模式的上层海洋能量收支进行诊断,以便了解每种模式的动力机制。凯恩-泽比亚克中间模型的一个修改版本将被用来研究不同模式之间的非线性相互作用。预计快速耦合模和ENSO模将主要通过纬向平流对温度的影响相互作用,而ENSO和年代际模将通过海洋温跃层位移相互作用。使用更一般的随机风应力和热通量强迫(使用观测到的具有白噪声过程的幅度的空间EOFs)的效果也将被检验。通过与东京大学(CCSR)的木本博士合作,将通过对气候模型输出的年代际变化进行分析,对过程建模方法进行补充。这项研究之所以重要,是因为它有可能增进对热带太平洋海洋-大气耦合气候现象的观测行为的物理理解,从而提高对厄尔尼诺等气候现象的预测。

项目成果

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Fei-Fei Jin其他文献

Asymmetric impact of ENSO on the late winter Warm Arctic-Cold Eurasian pattern
  • DOI:
    10.1007/s00382-024-07435-4
  • 发表时间:
    2024-09-10
  • 期刊:
  • 影响因子:
    3.700
  • 作者:
    Gaoyuan Mu;Wenjun Zhang;Feng Jiang;Dingzhu Hu;Fei-Fei Jin
  • 通讯作者:
    Fei-Fei Jin
Pacific Meridional mode-Western North Pacific tropical cyclone linkage explained by tropical Pacific quasi-decadal variability
  • DOI:
    https://doi.org/10.1029/2019GL085340
  • 发表时间:
    2019
  • 期刊:
  • 影响因子:
  • 作者:
    刘超;张文君;Malte Stuecker;Fei-Fei Jin
  • 通讯作者:
    Fei-Fei Jin
Distinct propagating and standing modes of tropical intraseasonal variability as represented by the two principal oscillation patterns
  • DOI:
    10.1016/j.atmosres.2024.107574
  • 发表时间:
    2024-10-15
  • 期刊:
  • 影响因子:
  • 作者:
    Jie Wu;Hong-Li Ren;Fei-Fei Jin;Xiaofeng Xu;Li Guo
  • 通讯作者:
    Li Guo
Improving the MJO Forecast of S2S Operation Models by Correcting Their Biases in Linear Dynamics
通过纠正线性动力学偏差来改进 S2S 运行模型的 MJO 预测
  • DOI:
    10.1029/2020gl091930
  • 发表时间:
    2021-03
  • 期刊:
  • 影响因子:
    5.2
  • 作者:
    Jie Wu;Fei-Fei Jin
  • 通讯作者:
    Fei-Fei Jin
El Niño–Southern Oscillation complexity
厄尔尼诺-南方涛动的复杂性
  • DOI:
    10.1038/s41586-018-0252-6
  • 发表时间:
    2018-07-25
  • 期刊:
  • 影响因子:
    48.500
  • 作者:
    Axel Timmermann;Soon-Il An;Jong-Seong Kug;Fei-Fei Jin;Wenju Cai;Antonietta Capotondi;Kim M. Cobb;Matthieu Lengaigne;Michael J. McPhaden;Malte F. Stuecker;Karl Stein;Andrew T. Wittenberg;Kyung-Sook Yun;Tobias Bayr;Han-Ching Chen;Yoshimitsu Chikamoto;Boris Dewitte;Dietmar Dommenget;Pamela Grothe;Eric Guilyardi;Yoo-Geun Ham;Michiya Hayashi;Sarah Ineson;Daehyun Kang;Sunyong Kim;WonMoo Kim;June-Yi Lee;Tim Li;Jing-Jia Luo;Shayne McGregor;Yann Planton;Scott Power;Harun Rashid;Hong-Li Ren;Agus Santoso;Ken Takahashi;Alexander Todd;Guomin Wang;Guojian Wang;Ruihuang Xie;Woo-Hyun Yang;Sang-Wook Yeh;Jinho Yoon;Elke Zeller;Xuebin Zhang
  • 通讯作者:
    Xuebin Zhang

Fei-Fei Jin的其他文献

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{{ truncateString('Fei-Fei Jin', 18)}}的其他基金

Further Studies of Dynamics for El Nino-Southern Oscillation (ENSO) Diversity and Complexity
厄尔尼诺-南方涛动(ENSO)动力学多样性和复杂性的进一步研究
  • 批准号:
    2219257
  • 财政年份:
    2022
  • 资助金额:
    $ 14.3万
  • 项目类别:
    Standard Grant
Further Studies of Dynamics for El Nino-Southern Oscillation (ENSO) Diversity and Complexity
厄尔尼诺-南方涛动(ENSO)动力学多样性和复杂性的进一步研究
  • 批准号:
    1813611
  • 财政年份:
    2018
  • 资助金额:
    $ 14.3万
  • 项目类别:
    Standard Grant
Studies of Dynamics for El Nino-Southern Oscillation (ENSO) Diversity and Complexity
厄尔尼诺-南方涛动(ENSO)动力学的多样性和复杂性研究
  • 批准号:
    1406601
  • 财政年份:
    2014
  • 资助金额:
    $ 14.3万
  • 项目类别:
    Standard Grant
Studies on Dynamics of ENSO (El Nino-Southern Oscillation) Complexity
ENSO(厄尔尼诺-南方涛动)复杂性动力学研究
  • 批准号:
    1034798
  • 财政年份:
    2010
  • 资助金额:
    $ 14.3万
  • 项目类别:
    Continuing Grant
Further Study of Dynamics of Low-Frequency Variability of the Extratropical Atmospheric Circulation
温带大气环流低频变化动力学的进一步研究
  • 批准号:
    1034439
  • 财政年份:
    2010
  • 资助金额:
    $ 14.3万
  • 项目类别:
    Standard Grant
Further Studies of El Niño-Southern Oscillation (ENSO) Dynamics
厄尔尼诺-南方涛动(ENSO)动力学的进一步研究
  • 批准号:
    0650552
  • 财政年份:
    2006
  • 资助金额:
    $ 14.3万
  • 项目类别:
    Standard Grant
Dynamics of Low-Frequency Modes of the Atmospheric Circulation
大气环流低频模态的动力学
  • 批准号:
    0652145
  • 财政年份:
    2006
  • 资助金额:
    $ 14.3万
  • 项目类别:
    Continuing Grant
Dynamics of Low-Frequency Modes of the Atmospheric Circulation
大气环流低频模态的动力学
  • 批准号:
    0424799
  • 财政年份:
    2004
  • 资助金额:
    $ 14.3万
  • 项目类别:
    Continuing Grant
Further Studies of Ocean-Atmosphere Coupled Dynamics in the Tropical Pacific
热带太平洋海洋-大气耦合动力学的进一步研究
  • 批准号:
    0226141
  • 财政年份:
    2002
  • 资助金额:
    $ 14.3万
  • 项目类别:
    Continuing Grant
Modeling the Tropical Climate State and Its Interannual Variability with Coupled Ocean-Atmosphere-Land Models
利用海洋-大气-陆地耦合模型模拟热带气候状态及其年际变化
  • 批准号:
    9615952
  • 财政年份:
    1997
  • 资助金额:
    $ 14.3万
  • 项目类别:
    Continuing Grant

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对海洋塑料(包括非常小的微塑料)循环的综合研究
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  • 财政年份:
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