Comparison of Simultaneous Ground-Satellite Observations of Electromagnetic Ion Cyclotron Waves

电磁离子回旋波地面卫星同步观测比较

• 批准号: 9224511
• 负责人: Robert Erlandson
• 金额: $ 35.23万
• 依托单位: Johns Hopkins University
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1993
• 资助国家: 美国
• 起止时间: 1993-06-01 至 1997-05-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9224511&HistoricalAwards=false
• 关键词: Comparison; Simultaneous; Ground; Satellite; Observations

This grant provides support for research which will make use of simultaneous observations of ultra low frequency (ULF) electromagnetic ion cyclotron (EMIC) waves by instruments located in the Arctic, the Antarctic and on satellites orbiting within the Earth's magnetosphere. These pulsations have frequencies of between 0.1 and 5 Hz. The ground-based instruments are (or were) in Sondre Stromfjord, Greenland, the Finnish magnetometer chain, and the Antarctic stations, Siple, South Pole, McMurdo, Casey, Mawson and MacQuarie Island. The satellites to be used are the AMPTE (Active Magnetospheric Particle Tracer Explorers/CCE (Charge- Composition Explorer) and Viking (Swedish). The eventual goal of this correlative study is to enhance the utility of future ground- based observations to be used as a diagnostic tool to infer magnetospheric processes in the EMIC source region.

这笔赠款为利用设在北极和南极的仪器以及在地球磁层内运行的卫星同时观测超低频电磁离子回旋波的研究提供支助。这些脉动的频率在0.1至5赫兹之间。地面仪器现在(或曾经)位于格陵兰岛的Sondre Stromfjord、芬兰磁力计系统以及南极站Siple、南极、McMurdo、Casey、Mawson和Macquarie Island。将使用的卫星是AMPTE(主动磁层粒子示踪器探测器/CCE)和Viking(瑞典)。这项相关研究的最终目标是加强未来地面观测的效用，将其用作推断EMIC源区磁层过程的诊断工具。