Quantifying the Role of Short-Period Gravity Waves on the Antarctic Mesospheric Dynamics Using an Advanced Mesospheric Temperature Mapper
使用先进的中层温度测绘仪量化短周期重力波对南极中层动力学的作用
基本信息
- 批准号:0542164
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2006
- 资助国家:美国
- 起止时间:2006-09-01 至 2011-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
A focused plan is presented to investigate the role and importance of short period (1 hour) gravity waves on the dynamics of the Antarctic Mesosphere and Lower Thermosphere (MLT) region (~80-100 km). Excited primarily by deep convection, frontal activity, topography, and strong wind shears in the lower atmosphere, these waves transport energy and momentum upwards where they have a profound influence on the MLT dynamics. Most of the wave forcing is expected to occur at mid-and low-latitudes where such sources predominate. However, short-period waves (exhibiting similar characteristics to mid-latitude events) have now been detected in copious quantities from research sites on the Antarctic Peninsula and the coastal regions exhibiting strong anisotropy in their dominant horizontal motions (and hence their momentum fluxes). Radiosonde measurements have established the existence of ubiquitous gravity wave activity at South Pole but, to date, there have been no detailed measurements of the properties of short-period waves at MLT heights deep in the Antarctic interior. In particular, the South Pole Station is uniquely situated to investigate the filtering and penetration of these waves into the MLT region, a substantial fraction of which may be ducted waves traveling over vast geographic distances (several thousand km). Novel image measurements at South Pole Station combined with existing measurement programs will provide an unprecedented capability for quantifying the role of these gravity waves on the regional MLT dynamics over central Antarctica. This research also contributes to the training and education of both the graduate and undergraduate students.
提出了一个重点计划,以研究短周期(1小时)重力波对南极中层和低热层(MLT)区域(~80-100 km)动力学的作用和重要性。这些波主要受到低层大气中的深对流、锋面活动、地形和强风剪切的激发,将能量和动量向上传输,对MLT动力学产生深远的影响。预计大部分波强迫将发生在中低纬度地区,这些来源占主导地位。然而,现在已经从南极半岛和沿海地区的研究地点检测到大量的短周期波(表现出与中纬度事件相似的特征),其主导水平运动(因此其动量通量)表现出强烈的各向异性。无线电探空仪的测量已经确定存在无处不在的重力波活动在南极,但到目前为止,还没有详细的测量短周期波的性质在MLT的高度在南极内陆深处。特别是,南极站的独特位置,调查这些波的过滤和渗透到MLT地区,其中很大一部分可能是管道波传播在广阔的地理距离(几千公里)。在南极站的新的图像测量与现有的测量方案相结合,将提供一个前所未有的能力,量化的作用,这些重力波的区域MLT动态在南极洲中部。这项研究也有助于研究生和本科生的培训和教育。
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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Michael Taylor其他文献
Cauchy integrals, Calderón projectors, and Toeplitz operators on uniformly rectifiable domains
均匀可校正域上的柯西积分、Calderón 投影仪和 Toeplitz 算子
- DOI:
10.1016/j.aim.2014.09.020 - 发表时间:
2015 - 期刊:
- 影响因子:1.7
- 作者:
I. Mitrea;M. Mitrea;Michael Taylor - 通讯作者:
Michael Taylor
Singular Integrals and Elliptic Boundary Problems on Regular Semmes–Kenig–Toro Domains
正则 Semmes-Kenig-Toro 域上的奇异积分和椭圆边界问题
- DOI:
10.1093/imrn/rnp214 - 发表时间:
2009 - 期刊:
- 影响因子:1
- 作者:
S. Hofmann;M. Mitrea;Michael Taylor - 通讯作者:
Michael Taylor
The Hodge-laplacian: Boundary Value Problems on Riemannian Manifolds
Hodge-laplacian:黎曼流形上的边值问题
- DOI:
10.1515/9783110484380 - 发表时间:
2016 - 期刊:
- 影响因子:4.9
- 作者:
D. Mitrea;I. Mitrea;M. Mitrea;Michael Taylor - 通讯作者:
Michael Taylor
Incompressible Fluid Flows on Rough Domains
粗糙域上的不可压缩流体流动
- DOI:
- 发表时间:
2000 - 期刊:
- 影响因子:0
- 作者:
Michael Taylor - 通讯作者:
Michael Taylor
Understanding the Role of Geometric and Electronic Structure in Bioinspired Catalyst Design: the Case of Formate Dehydrogenase
了解几何和电子结构在仿生催化剂设计中的作用:以甲酸脱氢酶为例
- DOI:
- 发表时间:
2021 - 期刊:
- 影响因子:0
- 作者:
Mingjie Liu;Azadeh Nazemi;Michael Taylor;Aditya Nandy;Chenru Duan;A. Steeves;H. Kulik - 通讯作者:
H. Kulik
Michael Taylor的其他文献
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{{ truncateString('Michael Taylor', 18)}}的其他基金
CAREER: Optically Controlled Protein Proximity Labelling
职业:光控蛋白质邻近标记
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2302483 - 财政年份:2022
- 资助金额:
-- - 项目类别:
Continuing Grant
Pan-Antarctic Investigations of Mesospheric Wave Dynamics and Influences Using the ANGWIN Network
使用 ANGWIN 网络对中层波动力学和影响进行泛南极研究
- 批准号:
2029318 - 财政年份:2021
- 资助金额:
-- - 项目类别:
Standard Grant
Collaborative Research: PPoSS: LARGE: Panorama: Integrated Rack-Scale Acceleration for Computational Pangenomics
合作研究:PPoSS:大型:全景:计算泛基因组学的集成机架规模加速
- 批准号:
2118628 - 财政年份:2021
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-- - 项目类别:
Continuing Grant
CAREER: Optically Controlled Protein Proximity Labelling
职业:光控蛋白质邻近标记
- 批准号:
2048201 - 财政年份:2021
- 资助金额:
-- - 项目类别:
Continuing Grant
Collaborative Research: Dry Rifting In the Albertine-Rhino graben (DRIAR), Uganda
合作研究:乌干达艾伯丁-犀牛地堑 (DRIAR) 的干裂谷
- 批准号:
2021724 - 财政年份:2020
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-- - 项目类别:
Continuing Grant
Collaborative Research: CEDAR--Airglow Imaging of Gravity Wave and Instability Dynamics
合作研究:CEDAR——重力波和不稳定动力学的气辉成像
- 批准号:
1911970 - 财政年份:2019
- 资助金额:
-- - 项目类别:
Standard Grant
Collaborative Research: What Created the Southern Tibetan Plateau Drainage Divide? Integrated Tectonic and Geomorphic Investigation of the Gangdese Range and Yarlung River
合作研究:是什么造成了青藏高原南部的排水分水岭?
- 批准号:
1917706 - 财政年份:2019
- 资助金额:
-- - 项目类别:
Standard Grant
Collaborative Research: Filling in the Central Himalayan Seismic Gap: A Structural, Neotectonic, and Paleoseismic Investigation of the Western Nepal Fault System
合作研究:填补喜马拉雅中部地震间隙:尼泊尔西部断层系的构造、新构造和古地震研究
- 批准号:
1827866 - 财政年份:2018
- 资助金额:
-- - 项目类别:
Standard Grant
Developing a technique to measure levels of tumour hypoxia during proton beam therapy through gamma-ray spectroscopy
开发一种通过伽马射线光谱测量质子束治疗期间肿瘤缺氧水平的技术
- 批准号:
ST/P003141/1 - 财政年份:2017
- 资助金额:
-- - 项目类别:
Research Grant
TWC: Large: Collaborative: Verifiable Hardware: Chips that Prove their Own Correctness
TWC:大型:协作:可验证的硬件:证明自身正确性的芯片
- 批准号:
1801052 - 财政年份:2017
- 资助金额:
-- - 项目类别:
Continuing Grant
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