GEM: A Conjugate Study of ULF Waves at the Cusp

GEM：超低频波尖点处的共轭研究

• 批准号: 9112834
• 负责人: John Olson
• 金额: $ 5万
• 依托单位: University of Alaska Fairbanks Campus
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1991
• 资助国家: 美国
• 起止时间: 1991-07-15 至 1992-12-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9112834&HistoricalAwards=false
• 关键词: GEM; Conjugate; Study; ULF; Waves

An integral component of the multi-agency U.S. Global Change Research Program (Our Changing Planet," Committee on Earth Sciences, 1991) is understanding and modeling the geospace environment. As part of its contribution to the U.S. Global Change Research Program, the National Science Foundation's Division of Atmospheric Sciences has established a new research initiative, Geospace Environment Modeling (GEM), with the goal of supporting basic research into the dynamical and structural properties of geospace, leading to the construction of a global geospace model with predictive capability. The subjects of the first GEM campaign are the magnetospheric boundary, the magnetosheath beyond it, and the connection from the boundary through the magnetosphere to the ionosphere. The cusp region is a rich source of ULF waves spanning the frequency spectrum from near dc to above 1Hz. This is a grant to study the ULF wave spectrum at cusp stations in conjugate hemisphere in order to investigate the conjugacy of the cusp at these sites and to identify wave generation mechanisms associated with the cusp.

多机构美国全球变化战略的一个组成部分 研究计划（我们不断变化的星球，”地球委员会 Sciences，1991）正在理解和模拟地球空间 环境 作为其对美国全球贡献的一部分， 美国国家科学基金会的变化研究计划 大气科学部建立了一个新的研究 地球空间环境建模倡议，目标是 支持基础研究的动力和结构 地球空间的性质，导致全球建设 具有预测能力的地理空间模型。 第一次创业板运动的主题是 磁层边界，磁鞘超出它，和 从边界到磁层的连接 电离层 尖点区是一个丰富的超低频波源 跨越从近直流到1Hz以上的频谱。 这 是一项研究尖点站超低频波谱的拨款， 共轭半球，以调查的共轭 在这些网站的尖点，并确定波生成机制 与Cusp相关。