CAREER: Mesospheric Dynamics during Stratospheric Warming Events
CAREER: Mesospheric Dynamics during Stratospheric Warming Events
批准号:
0449864
负责人:
Gulamabas Sivjee
金额:
$44.66万
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
2005
资助国家:
美国
项目状态:
已结题
起止时间:
2005-04-01 至 2012-04-30
中文摘要
利用来自极地地区的地面光谱数据和来自较低纬度的卫星数据的十年数据库,研究了由平流层突然变暖事件驱动的中间层的动力和热变化。这些观测结果与热层-电离层-外圈全球环流模式(TIEGCM)进行了比较,以解开与平流层变暖期间四天中层潮汐波放大、极涡破裂和中层冷却有关的驱动因素。所需的数据分析和解释将作为特别项目和新课程带入研究生和本科生的课堂。空间物理教育的特别宣传包括白求恩-库克曼学院学生在研究中的合作。
英文摘要
Dynamical and thermal changes in the mesosphere driven by sudden stratospheric warming events are investigated using a ten-year database of ground-based spectroscopic data from the pole regions and satellite data from lower latitudes. The observations are compared with the Thermosphere-Ionosphere-Exosphere Global Circulation Model (TIEGCM) to untangle the drivers associated with amplification of the four-day mesospheric tidal wave, breakdown of the polar vortex, and mesospheric cooling during periods of stratospheric warming. The required data analysis and interpretation is brought into the graduate and undergraduate classrooms as special projects and as new classes. Special outreach in space physics education includes the collaboration of Bethune-Cookman College students in the research.
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会议论文
Joint Incoherent Scatter Radar and Electro-Optical Remote-Sensing of the Effects of Auroras as well as Planetary, Tidal and Gravity Waves in the Polar Thermosphere over Sondrestrom
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批准号:0854704
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项目类别:Standard Grant
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资助金额:$50.35万
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财政年份:2009
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负责人:Gulamabas Sivjee
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依托单位:
Observations of Upper Atmospheric Energetics, Dynamics, and Long-Term Variations over the South Pole Station
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批准号:0636706
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项目类别:Standard Grant
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资助金额:$27.29万
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财政年份:2007
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负责人:Gulamabas Sivjee
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依托单位:
Investigations of Polar Disturbances in the Arctic Upper Atmosphere
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批准号:0352742
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项目类别:Standard Grant
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资助金额:$0.0万
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财政年份:2004
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负责人:Gulamabas Sivjee
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依托单位:
The Antarctic Investigations of Upper Atmospheric Disturbances over the South Pole Station
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批准号:0337618
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项目类别:Continuing Grant
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资助金额:$0.0万
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财政年份:2004
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负责人:Gulamabas Sivjee
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依托单位:
Effects of Enhanced Solar Disturbances During the 2000-02 Solar-Max Period, on the Antarctic Mesosphere-Lower-Thermosphere and F Regions Composition, Thermodynamics and Dynamics
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批准号:9909339
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项目类别:Continuing Grant
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资助金额:$28.24万
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财政年份:2000
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负责人:Gulamabas Sivjee
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依托单位:
Arctic Polar Cap Disturbances: Linkage to the Magnetospher and Effects on the Thermosphere/Ionosphere
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批准号:9910950
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项目类别:Continuing Grant
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资助金额:$25.0万
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财政年份:2000
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负责人:Gulamabas Sivjee
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依托单位:
Joint Incoherent Scatter Radar and Optical Studies of Disturbances in the Polar Mesopause and Thermosphere Over Sondrestromfjord, Greenland
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批准号:9804674
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项目类别:Continuing Grant
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资助金额:$30.51万
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财政年份:1999
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负责人:Gulamabas Sivjee
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依托单位:
CEDAR: Identification of Planetary Waves and Migrating as well as Nonmigrating Tidal Oscillations at Latitudes Using a Longitudinal Chain of Airglow Optical Instruments
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批准号:9714648
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项目类别:Continuing Grant
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资助金额:$21.0万
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财政年份:1998
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负责人:Gulamabas Sivjee
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依托单位:
Spectroscopic and Interferometric Studies of Middle Atmosphere Dynamics and Particle Precipitation Patterns Over the South Pole
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批准号:9614158
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项目类别:Standard Grant
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资助金额:$5.04万
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财政年份:1997
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负责人:Gulamabas Sivjee
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依托单位:
Variations in Upper Atmospheric Constituents' Density and Thermodynamics in the Polar Cusp and Polar Cap Regions over Longyearbyen, Svalbard
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批准号:9528593
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项目类别:Continuing Grant
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资助金额:$30.0万
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财政年份:1996
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负责人:Gulamabas Sivjee
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依托单位:
Joint Incoherent-Scatter-Radar and Spectroscopic- Interferometric Investigations of Auroral Processes Over Sondrestromfjord
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批准号:9320426
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项目类别:Continuing Grant
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资助金额:$28.62万
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财政年份:1994
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负责人:Gulamabas Sivjee
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依托单位:
CEDAR Class 1 Imaging Spectroscopic Facility for Optical Remote Sensing of Airglow and Auroral Processes in the Polar Middle Atmosphere and Thermosphere
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批准号:9402061
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项目类别:Continuing Grant
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资助金额:$16.93万
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财政年份:1994
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负责人:Gulamabas Sivjee
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依托单位:
Spectroscopic and Interferometric Studies of Airglow and Auroral Processes in the Antarctic Upper Atmosphere Over theSouth Pole Station
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批准号:9218557
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项目类别:Continuing Grant
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资助金额:$33.32万
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财政年份:1993
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负责人:Gulamabas Sivjee
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依托单位:
CEDAR: Spatially Resolved Imaging Spectroscopic Stuides of Some Non-Linear Auroral Interactions in the Mesosphere
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批准号:9102218
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项目类别:Standard Grant
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资助金额:$9.67万
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财政年份:1991
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负责人:Gulamabas Sivjee
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依托单位:
Spectroscopic and Interferometric Studies of Airglow and Auroral Processes in the Antarctic Upper Atmosphere Over the South Pole Station
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批准号:8916639
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项目类别:Continuing Grant
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资助金额:$21.49万
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财政年份:1990
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负责人:Gulamabas Sivjee
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依托单位:
Joint Radar and Optical Investigations of Auroral Processes Over Sondrestromfjord
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批准号:9000195
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项目类别:Continuing Grant
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资助金额:$31.96万
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财政年份:1990
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负责人:Gulamabas Sivjee
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依托单位:
CEDAR Infrared Michelson Interferometer Facility for Studiesof Upper Atmospheric Chemistry and Dynamics
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批准号:8720940
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项目类别:Continuing Grant
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资助金额:$21.36万
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财政年份:1988
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负责人:Gulamabas Sivjee
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依托单位:
A CEDAR Multi-Institution Research Initiative: Derivation of Upper Atmospheric O and N2 Densities for Spectroscopic Studies of Twilight Optical Emissions
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批准号:8801724
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项目类别:Standard Grant
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资助金额:$6.1万
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财政年份:1988
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负责人:Gulamabas Sivjee
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依托单位:
Near Infra-Red (0.6-1.7u) Studies of the Polar Upper Atmospheric Processes
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批准号:8796275
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项目类别:Continuing Grant
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资助金额:$14.44万
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财政年份:1987
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负责人:Gulamabas Sivjee
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依托单位:
Spectrophotometric Studies of Metastable Atoms and Ions in the Polar Thermosphere
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批准号:8696149
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项目类别:Continuing Grant
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资助金额:$18.0万
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财政年份:1986
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负责人:Gulamabas Sivjee
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依托单位:
海外基金