GEM: An S3-3 Satellite Test of Models of Boundary Layer Driven Field -Aligned Currents

GEM：边界层驱动场对准电流模型的 S3-3 卫星测试

• 批准号: 9212497
• 负责人: Cynthia Cattell
• 金额: $ 11.02万
• 依托单位: University of California-Berkeley
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1992
• 资助国家: 美国
• 起止时间: 1992-09-01 至 1994-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9212497&HistoricalAwards=false
• 关键词: GEM; S3; Satellite; Test; Models

It is proposed that the National Science Foundation support a GEM study designed to test models for the source of the field-aligned currents flowing into the auroral ionosphere. Utilizing data from the magnetometer, electric field probes and particle detectors on the S3-3 satellite, the predictions of the Siscoe- Sonnerup-Lotko (SSL) model for day-side field-aligned currents will be tested. A preliminary study utilizing existing data bases is proposed for the first year. In the second and third years, software will be developed to anlyze the remainder of available auroral zones passes which will then be added to the data base. This data base will provide more statistically significant tests of SSL and other models of field-aligned current generation. Testing of models of boundary layer sources of field-aligned currents is critical to the objectives of the GEM Boundary Layer Campaign. Inputs from a study of this type will be required to develop more sophisticated and realistic models. Magnetotail sources of currents will also be examined, for example by comparing the magnitude of nightside Region 1 currents to the tail lobe magnetic field for various interplanetary magnetic field conditions. Findings will provide preliminary constraints on models of coupling and field-aligned current generation to be developed as part of the upcoming GEM Campaign on Substorms.

建议国家科学基金会支持创业板 研究旨在测试模型的来源， 流入极光电离层的电流。 利用数据 从磁力计，电场探针和粒子 S3-3卫星上的探测器，Siscoe的预测- 日侧场向电流的Sonnerup-Lotko（SSL）模型 会得到考验 利用现有数据的初步研究 第一年提出了基地。 在二三 几年后，将开发软件来分析剩余的 可用的极光区通行证，然后将被添加到 数据库 这个数据库将提供更多的统计数据， SSL和其他场对准模型的重要测试 当代。 边界层源模型的试验 场向电流的大小对实现 GEM边界层运动。 这类研究的投入 将需要开发更复杂和现实的 模型 还将检查磁尾电流源， 例如通过比较夜侧区域1 电流的尾瓣磁场为各种 行星际磁场条件 调查结果将提供 耦合和场对准模型的初步约束 作为即将推出的GEM的一部分开发的当前一代 亚风暴战役。