MRI: Development of Monitors for Alaskan and Canadian Auroral Weather in Space (MACAWS)

MRI：开发阿拉斯加和加拿大太空极光天气 (MACAWS) 监视器

• 批准号: 1726377
• 负责人: Anthea Coster
• 金额: $ 69.83万
• 依托单位: Northeast Radio Observatory Corp
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2017
• 资助国家: 美国
• 起止时间: 2017-09-15 至 2024-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1726377&HistoricalAwards=false
• 关键词: MRI; Development; Monitors; Alaskan; Canadian

This Major Research Instrumentation development award is for the creation of a network of ground-based receivers that can use satellite navigation signals to provide crucial information about the Earth's ionosphere. This network will include 35 sites in Alaska and Canada, bringing additional measurements to a data-sparse region. The development activities also include making the system dynamic, adaptable, and autonomous. Improving the amount and quality of data will help to answer many questions about the basic ionospheric processes, which could lead to improvements in the robustness of satellite navigation systems. Many of the receivers will also be placed at schools, providing an educational benefit to the students.The goal of this development award is to provide a ground-based sensor web network that provides both real-time and historical Global Navigation Satellite Systems (GNSS) ionospheric data products for use in geospace science and space weather monitoring in currently unsampled or under-sampled auroral/polar regions in North America. A sensor web is a dynamic, adaptable, and autonomous network of sensors that can use artificial intelligence to react in real time to information from its instruments. Thirty-five GNSS receivers will be deployed in Alaska and Canada to retrieve Total Electron Content (TEC) and scintillation statistics. The project will result in the creation of a unified North American TEC map, development and deployment of triggering algorithms for highly dynamic periods, and the distribution of real-time TEC data to users. Four specific scientific topics would be addressed: 1) What mechanism is responsible for the formation of polar cap patches? And how do polar cap patches exit the night-side polar cap? What is the relationship of the tongue of ionization to polar cap patches? 2) What contribution does the lower atmosphere make to variability in the high-latitude ionosphere? 3) What causes the irregularities that form at the front of the tongue of ionization in the nightside polar ionosphere? What causes the irregularities that form with the SED plume as observed by SuperDarn? 4) What are the specific auroral and sub-auroral mechanisms that produce GPS scintillations?

该主要研究仪器开发奖旨在创建一个地面接收器网络，该网络可以使用卫星导航信号提供有关地球电离层的关键信息。 该网络将包括阿拉斯加和加拿大的35个站点，为数据稀少的地区带来额外的测量。 开发活动还包括使系统具有动态性、适应性和自治性。 提高数据的数量和质量将有助于回答有关电离层基本过程的许多问题，从而提高卫星导航系统的可靠性。 许多接收器还将安装在学校，为学生提供教育服务，这项开发奖的目标是提供一个地面传感器网络，提供实时和历史全球导航卫星系统电离层数据产品，用于目前未采样或采样不足的北美极光/极地地区的地球空间科学和空间天气监测。 传感器网络是一个动态的、自适应的、自主的传感器网络，它可以使用人工智能来对来自其仪器的信息做出真实的反应。 将在阿拉斯加和加拿大部署35个全球导航卫星系统接收器，以检索总电子含量和闪烁统计数据。 该项目将创建统一的北美TEC地图，开发和部署高度动态时期的触发算法，并向用户分发实时TEC数据。 四个具体的科学主题将被解决：1）什么机制是负责形成极地冠斑块？ 极地冰帽斑块是如何离开夜侧极地冰帽的？ 电离舌与极帽斑片的关系是什么？2)低层大气对高纬度电离层的变化有什么贡献？3)是什么导致了在夜侧极区电离层电离舌前端形成的不规则现象？ 是什么原因导致了SuperDarn观察到的SED羽流的不规则性？4)产生GPS闪烁的具体极光和亚极光机制是什么？

项目成果

New Cyberinfrastructure for GNSS Ionospheric Scintillation and Total Electron Content Parameters

用于 GNSS 电离层闪烁和总电子含量参数的新网络基础设施

• DOI: 10.33012/2018.15920
• 发表时间: 2018
• 期刊: The International Technical Meeting of the Satellite Division of The Institute of Navigation
• 作者: Coster, Anthea;Skone, Susan;Hampton, Donald;Donovan, Eric;Weatherwax, Allan
• 通讯作者: Weatherwax, Allan

Monitoring Space Weather with GNSS Networks: Expanding GNSS networks into Northern Alaska and Northwestern Canada

使用 GNSS 网络监测空间天气：将 GNSS 网络扩展到阿拉斯加北部和加拿大西北部

• DOI: 10.33012/2017.15134
• 发表时间: 2017
• 期刊: The International Technical Meeting of the Satellite Division of The Institute of Navigation
• 作者: Coster, Anthea J.;Skone, Susan;Hampton, Donald;Donovan, Eric
• 通讯作者: Donovan, Eric