Fundamental Tropical Dynamics
基本热带动力学
基本信息
- 批准号:1841326
- 负责人:
- 金额:$ 62.47万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:2019
- 资助国家:美国
- 起止时间:2019-05-01 至 2023-04-30
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
This award is for the investigation and analysis of several topics related to the dynamics of tropical cyclones. The research team will use a combination of theory, numerical models, and observations to address longstanding questions, with a particular focus on tropical cyclone eyewall structures. The development of secondary eyewalls in tropical cyclones has a significant impact on the intensity of the storms and is a limiting factor on how well the intensity can currently be forecast. A successful project would lead to better understanding of the physics of the storms and how they can best be modeled, leading to an improvement in forecasts and public safety and economic benefits. In addition, the project will help to educate and train the next generation of research scientists.In this project, simplified dynamical theories will be developed using balanced model principles and potential vorticity arguments. The objectives of the proposal address the following fundamental research questions in tropical dynamics: 1) What is the distribution of subsidence in the hurricane eye? Is subsidence concentrated at the edge of the eye, thereby producing a warm-ring rather than a warm-core thermal structure? 2) Why is the ITCZ so thin, why does it form where it does, and what are its natural forms of oscillation? 3) Why do major hurricanes often form double eyewalls, what determines the locations of these eyewalls, and what dynamics are involved in the disintegration of the inner eyewall? 4) How do surface frictional effects in a moving hurricane break the circular symmetry of the eyewall and lead to crescent-shaped regions of intense eyewall convection?This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
这个奖项是为了调查和分析与热带气旋动力学有关的几个主题。研究小组将结合理论、数值模型和观测来解决长期存在的问题,特别关注热带气旋眼壁结构。热带气旋次级眼壁的发展对风暴的强度有重要影响,也是目前预报强度的一个限制因素。一个成功的项目将使人们更好地了解风暴的物理特性,以及如何最好地对风暴进行建模,从而改善预报,提高公共安全和经济效益。此外,该项目将有助于教育和培训下一代研究科学家。在这个项目中,简化的动力学理论将使用平衡模型原理和位涡论证来发展。该提案的目标是解决热带动力学中的以下基本研究问题:1)飓风眼下沉的分布是什么?下沉是否集中在风眼边缘,从而产生一个暖环而不是暖核热结构?2)为什么ITCZ这么薄,为什么它会在这里形成,它的自然振荡形式是什么?3)为什么大型飓风经常形成双眼壁,是什么决定了这些眼壁的位置,以及内眼壁的解体涉及什么动力学?4)移动飓风的表面摩擦效应是如何打破眼壁的圆形对称并导致强烈眼壁对流的新月形区域的?该奖项反映了美国国家科学基金会的法定使命,并通过使用基金会的知识价值和更广泛的影响审查标准进行评估,被认为值得支持。
项目成果
期刊论文数量(4)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
A Simple Family of Tropical Cyclone Models
一系列简单的热带气旋模型
- DOI:10.3390/meteorology2020011
- 发表时间:2023
- 期刊:
- 影响因子:0
- 作者:Schubert, Wayne;Taft, Richard;Slocum, Christopher
- 通讯作者:Slocum, Christopher
Baroclinic effects on the distribution of tropical cyclone eye subsidence
斜压对热带气旋眼沉降分布的影响
- DOI:10.3389/feart.2022.1062465
- 发表时间:2022
- 期刊:
- 影响因子:2.9
- 作者:Schubert, Wayne H.;Taft, Richard K.;Slocum, Christopher J.
- 通讯作者:Slocum, Christopher J.
Barotropic Instability during Eyewall Replacement
- DOI:10.3390/meteorology2020013
- 发表时间:2023-04
- 期刊:
- 影响因子:0
- 作者:C. Slocum;Richard K. Taft;J. Kossin;W. Schubert
- 通讯作者:C. Slocum;Richard K. Taft;J. Kossin;W. Schubert
Tropical cyclone rapid intensification and the excitation of inertia-gravity waves on the edges of an evolving potential vorticity structure
热带气旋快速增强和演化位涡结构边缘惯性重力波的激发
- DOI:10.3389/feart.2022.1038351
- 发表时间:2022
- 期刊:
- 影响因子:2.9
- 作者:Schubert, Wayne H.;Taft, Richard K.
- 通讯作者:Taft, Richard K.
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Wayne Schubert其他文献
Wayne Schubert的其他文献
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{{ truncateString('Wayne Schubert', 18)}}的其他基金
Collaborative Research: A Global View of Topographically Bound Low Level Jets
合作研究:地形限制低空急流的全球视野
- 批准号:
1601623 - 财政年份:2016
- 资助金额:
$ 62.47万 - 项目类别:
Standard Grant
Dynamics of Tropical Cyclones and the InterTropical Convergence Zone (ITCZ)
热带气旋和热带辐合区 (ITCZ) 的动态
- 批准号:
1546610 - 财政年份:2016
- 资助金额:
$ 62.47万 - 项目类别:
Continuing Grant
Collaborative Research: Topographically Bound Balanced Motions
合作研究:地形约束平衡运动
- 批准号:
1147120 - 财政年份:2012
- 资助金额:
$ 62.47万 - 项目类别:
Standard Grant
Understanding the Development and Application of Simplified Dynamical Models
了解简化动力学模型的发展和应用
- 批准号:
0837932 - 财政年份:2008
- 资助金额:
$ 62.47万 - 项目类别:
Standard Grant
Collaborative Research: Balanced Models--Theoretical Development, Solution and Application
协作研究:平衡模型——理论发展、解决方案与应用
- 批准号:
0833032 - 财政年份:2008
- 资助金额:
$ 62.47万 - 项目类别:
Continuing Grant
Collaborative Research: Self-Organization of Vortices as a Contributing Mechanism for Tropical Cyclogenesis
合作研究:涡旋自组织作为热带气旋发生的贡献机制
- 批准号:
0435644 - 财政年份:2005
- 资助金额:
$ 62.47万 - 项目类别:
Standard Grant
Dynamics of the Tropical Troposphere
热带对流层动力学
- 批准号:
0332197 - 财政年份:2004
- 资助金额:
$ 62.47万 - 项目类别:
Continuing Grant
Dynamics of Tropical Cyclones and the Hadley Circulation
热带气旋和哈德利环流的动力学
- 批准号:
0087072 - 财政年份:2000
- 资助金额:
$ 62.47万 - 项目类别:
Continuing Grant
相似国自然基金
Tropical矩阵乘法半群的代数性质及应用
- 批准号:12101280
- 批准年份:2021
- 资助金额:30 万元
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Tropical 矩阵代数的半群和半环理论与2-闭置换群的研究
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- 批准年份:2019
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涉及复微分差分和Tropical的值分布与函数方程研究
- 批准号:11661052
- 批准年份:2016
- 资助金额:36.0 万元
- 项目类别:地区科学基金项目
Tropical矩阵半群和Tropical矩阵群
- 批准号:11571278
- 批准年份:2015
- 资助金额:50.0 万元
- 项目类别:面上项目
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Environmental and ecological drivers of tropical peatland methane dynamics across spatial scales
热带泥炭地甲烷空间尺度动态的环境和生态驱动因素
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