Teleconnections: Intraseasonal Dynamics and its Relationship to Interannual and Interdecadal Variability

遥相关:季节内动态及其与年际和年代际变异的关系

基本信息

  • 批准号:
    1036858
  • 负责人:
  • 金额:
    $ 52.61万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Standard Grant
  • 财政年份:
    2011
  • 资助国家:
    美国
  • 起止时间:
    2011-02-01 至 2015-01-31
  • 项目状态:
    已结题

项目摘要

This project studies the dynamics of the recurrent patterns of variability of the large-scale atmospheric cicrulation, including the Pacific/North American Pattern, the North Atlantic Oscillation, and the Northern and Southern Hemisphere Annular Modes. These patterns, sometimes referred to as teleconnection patterns, have a large influence on weather and climate at the earth's surface and thus have a variety of important impacts. The work has three goals: (1) to investigate the basic dynamical processes associated with teleconnection patterns; (2) to to understand the implications of teleconnection patterns on the predictability of atmospheric flow on synoptic to intraseasonal timescales; and 3) to understand the implications of teleconnection patterns for interannual to decadal atmospheric variability. The method of Self Organizing Maps is used to identify the teleconnection patterns, and a combination of statistical techniques and idealized numerical models will be used to understand the underlying dynamics of the patterns.The work has relevance to society because the weather and climate fluctuations associated with teleconnection patterns are important for human activities and the natural world. The results of the work have the potential to improve medium- to long-range forecasting, and preliminary results are already in use at the National Oceanic and Atmospheric Administration's Climate Prediction Center. In addition, the work supports a graduate student, thereby providing support and training to the next generation of scientists.
本项目研究大尺度大气环流的周期性变率型的动力学,包括太平洋/北美型、北大西洋涛动、北方和南半球环形模。 这些模式,有时被称为遥相关模式,对地球表面的天气和气候有很大的影响,因此有各种重要的影响。 这项工作有三个目标:(1)研究与遥相关型有关的基本动力过程;(2)了解遥相关型对大气流在天气到季节内时间尺度上的可预报性的影响;(3)了解遥相关型对年际到年代际大气变率的影响。自组织地图的方法被用来识别遥相关模式,并结合统计技术和理想化的数值模式来理解模式的潜在动力学。这项工作与社会有关,因为与遥相关模式相关的天气和气候波动对人类活动和自然世界都很重要。 这项工作的结果有可能改善中长期预测,初步结果已经在国家海洋和大气管理局的气候预测中心使用。 此外,这项工作还支持一名研究生,从而为下一代科学家提供支持和培训。

项目成果

期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)

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Steven Feldstein其他文献

The Consequences of Generative AI for Democracy, Governance and War
生成式人工智能对民主、治理和战争的影响
  • DOI:
    10.1080/00396338.2023.2261260
  • 发表时间:
    2023
  • 期刊:
  • 影响因子:
    1.2
  • 作者:
    Steven Feldstein
  • 通讯作者:
    Steven Feldstein
How Artificial Intelligence Systems Could Threaten Democracy
  • DOI:
  • 发表时间:
    2019
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Steven Feldstein
  • 通讯作者:
    Steven Feldstein
The Road to Digital Unfreedom: How Artificial Intelligence is Reshaping Repression
通往数字不自由之路:人工智能如何重塑镇压

Steven Feldstein的其他文献

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{{ truncateString('Steven Feldstein', 18)}}的其他基金

Tropical/Extratropical Interaction Mechanisms at the Intraseasonal Time Scale
季节内时间尺度的热带/温带相互作用机制
  • 批准号:
    1822015
  • 财政年份:
    2018
  • 资助金额:
    $ 52.61万
  • 项目类别:
    Standard Grant
The Impact of Tropical/Extratropical Interaction on Atmospheric Teleconnections
热带/温带相互作用对大气遥相关的影响
  • 批准号:
    1401220
  • 财政年份:
    2014
  • 资助金额:
    $ 52.61万
  • 项目类别:
    Standard Grant
Collaborative Research: Study of the Relationship between Regionally Localized and Zonally Symmetric Anomalously Persistent Weather States
合作研究:区域局域性和纬向对称异常持续天气状态之间的关系研究
  • 批准号:
    0852379
  • 财政年份:
    2009
  • 资助金额:
    $ 52.61万
  • 项目类别:
    Standard Grant
The Dynamics of Teleconnection Patterns and Their Relationship with the General Circulation
遥相关模式的动态及其与大气环流的关系
  • 批准号:
    0649512
  • 财政年份:
    2007
  • 资助金额:
    $ 52.61万
  • 项目类别:
    Standard Grant
Dynamical Processes of Equatorial Atmospheric Angular Momentum
赤道大气角动量的动力学过程
  • 批准号:
    0514034
  • 财政年份:
    2005
  • 资助金额:
    $ 52.61万
  • 项目类别:
    Continuing Grant
Dynamics of Teleconnection Patterns
遥联系模式的动态
  • 批准号:
    0351044
  • 财政年份:
    2004
  • 资助金额:
    $ 52.61万
  • 项目类别:
    Continuing Grant
The Dynamics of Equatorial Atmospheric Angular Momentum
赤道大气角动量的动力学
  • 批准号:
    0224870
  • 财政年份:
    2002
  • 资助金额:
    $ 52.61万
  • 项目类别:
    Continuing Grant
The Life Cycle Dynamics of Teleconnection Patterns
遥联系模式的生命周期动态
  • 批准号:
    0003039
  • 财政年份:
    2000
  • 资助金额:
    $ 52.61万
  • 项目类别:
    Continuing Grant
The Dynamics of Zonal Jets and Low-Frequency Variability
纬向射流动力学和低频变率
  • 批准号:
    9712834
  • 财政年份:
    1997
  • 资助金额:
    $ 52.61万
  • 项目类别:
    Continuing Grant
Low-Frequency Zonally-Averaged Flow Variability Studied with Models and Observations
通过模型和观测研究低频区域平均流量变化
  • 批准号:
    9416701
  • 财政年份:
    1994
  • 资助金额:
    $ 52.61万
  • 项目类别:
    Continuing Grant

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增进我们对美国季节内强对流风暴变化的理解
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