Collaborative Research: MSTIDs: Multi-Site Tomography of Ionospheric Disturbances
Collaborative Research: MSTIDs: Multi-Site Tomography of Ionospheric Disturbances
批准号:
1462298
负责人:
Jonathan Fentzke
金额:
$11.44万
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
2015
资助国家:
美国
项目状态:
已结题
起止时间:
2015-09-01 至 2018-08-31
中文摘要
中尺度电离层行波扰动(MSTID)是电离层密度和高度的波动,广泛存在于高纬度到低纬度地区。该项目通过进行多地点、多仪器调查和应用层析重建来解决其起源和演变问题。该项目将包括面向波多黎各学生和公众的外联活动。 层析成像技术将使更深入地了解电动力学的MSTIDS创建广域地图的磁场线集成彼得森电导率独立的磁场几何形状。以下问题有关的三维气辉结构将被解决:(1)如何MSTID结构涉及的空间/时间分布的场线集成Pederson电导率?(2)MSTID等离子体输运是由中性风还是电动力学主导的?
英文摘要
Medium-scale traveling ionospheric disturbances (MSTIDs) are wave-like variations in ionospheric density and altitude that are widely observed from high to low latitudes. This project addresses questions of their origin and evolution by carrying out multi-site, multi-instrument investigations and applying tomographic reconstructions. The project will include outreach activities to students and the public in Puerto Rico. The tomographic technique will enable a deeper understanding of the electrodynamics of MSTIDs by creating wide area maps of the field-line integrated Pedersen conductivity independent of magnetic-field geometry. The following questions regarding the three-dimensional airglow structure will be addressed: (1) How does MSTID structure relate to the spatial/temporal distribution of field-line integrated Pederson conductivity? (2) Is MSTID plasma transport dominated by neutral winds or electrodynamics?
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CEDAR Postdoc: Meteoric Smoke Studies at High Latitude using the Poker Flat ISR
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批准号:0924801
-
项目类别:Standard Grant
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资助金额:$16.53万
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财政年份:2009
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负责人:Jonathan Fentzke
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依托单位:
国内基金
海外基金
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