Space Weather: Thermospheric Density and Wind Perturbations during Geomagnetically Disturbed Periods

空间天气：地磁扰动期间的热层密度和风扰动

• 批准号: 0208482
• 负责人: Jeffrey Forbes
• 金额: $ 40万
• 依托单位: University of Colorado at Boulder
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2002
• 资助国家: 美国
• 起止时间: 2002-07-15 至 2007-06-30
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0208482&HistoricalAwards=false
• 关键词: Space; Weather; Thermospheric; Density; Wind

As part of this project, densities and cross-track (quasi-zonal) winds at 400-450 km will be derived from accelerometer measurements by the STAR accelerometer experiment on the CHAMP and GRACE satellites from 2000 through 2004. On a storm-by-storm basis, the magnitude of storm response, degree of equatorward penetration, time delays, and other characteristics of the density perturbations will be examined, interpreted and compared with predictions by empirical models. Wind patterns will also be derived and interpreted. The full data set will be deposited in the CEDAR database. Corrections will be made to the J70 model currently in use at NORAD, so as to better reproduce the observed density perturbations.

作为这一项目的一部分，将从2000年至2004年期间CHAMP和GRACE卫星上的星星加速计实验的加速计测量结果中得出400 - 450公里处的密度和跨轨道（准纬向）风。 在一个风暴的风暴的基础上，风暴响应的大小，向赤道渗透的程度，时间延迟，和密度扰动的其他特征将被检查，解释和比较经验模型的预测。 风的模式也将被推导和解释。 全部数据集将存入CEDAR数据库。 将对NORAD目前使用的J70模型进行修正，以便更好地再现观测到的密度扰动。