Global Studies with Dual Schumann Resonance Methods

使用双舒曼共振方法进行全球研究

• 批准号: 9633766
• 负责人: Earle Williams
• 金额: $ 36.78万
• 依托单位: Massachusetts Institute of Technology
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1997
• 资助国家: 美国
• 起止时间: 1997-01-15 至 2000-12-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9633766&HistoricalAwards=false
• 关键词: Global; Studies; Dual; Schumann; Resonance

Williams/Abstract The objectives of this research are the behavior of the Earth s naturally occurring Schumann resonances on three different scales. At a global scale, the objective is to understand the pronounced variability of background Schumann resonance intensity and how this variability is influenced by the temperature-related conditional instability in the troposphere. At the mesoscale, the objective is to understand the meteorological conditions associated with the production of energetic positive ground flashes that produce ELF Q-bursts. We are now able to map these events on a global basis from single-station observations and this may enable an investigation of the global diurnal variation of mescoscale convective systems. This variation may be quite distinct from the traditional diurnal behavior of the global circuit. At the local lightning scale, the objective is to understand the nature of the continuing current and the charge transfer to ground associated with the sprite-producing positive ground flashes.

威廉姆斯/摘要 这项研究的目标是地球自然发生的舒曼共振在三个不同尺度上的行为。 在全球范围内，目标是了解背景舒曼共振强度的显着变化以及这种变化如何受到对流层中与温度相关的条件不稳定性的影响。 在中尺度上，目标是了解与产生 ELF Q 爆发的高能正地面闪光相关的气象条件。 我们现在能够通过单站观测在全球范围内绘制这些事件的地图，这可能有助于研究中尺度对流系统的全球昼夜变化。 这种变化可能与全球循环的传统昼夜行为截然不同。在局部闪电规模上，目标是了解与产生精灵的正接地闪光相关的持续电流和电荷转移到地面的性质。