Space Weather Research at the Jicamarca Radio Observatory

吉卡马卡射电天文台的空间天气研究

基本信息

批准号：
1732209
负责人：
David Hysell
金额：
$ 428.81万
依托单位：
Cornell University
依托单位国家：
美国
项目类别：
Continuing Grant
财政年份：
2018
资助国家：
美国
起止时间：
2018-02-15 至 2025-01-31
项目状态：
未结题

来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=1732209&HistoricalAwards=false
关键词：
Space Weather Research Jicamarca Radio

项目摘要

This grnat seeks funds to renew support for research and operation of Jicamarca Radio Observatory (JRO) between January 1 2018 to December 31, 2022. JRO is situated on the magnetic equator, a prime location for studying the ionosphere from plasma backscatter. The observatory's main asset is a 50 MHz VHF radar system with an antenna consisting of 18,432 cross-polarized half-wavelength dipoles. The antenna system can be subdivided, steered, and attached to up to four transmitters and sixteen receivers. JRO's exceptional versatility has defined the facility as a testbed of radio science innovation and discovery.The radar measures electron density, electron and ion temperature, ion composition and vertical and zonal electric fields in the equatorial ionosphere. JRO also measuring echoes from equatorial irregularities generated in the troposphere, stratosphere, mesosphere, equatorial electrojet, E and F regions. In accordance with guidelines provided by a number of geospace community documents, the research activities will focus on topside ionosphere, high-altitude scattering, vertical (perpendicular to B) measurements, aperature-synthesis imaging, mesosphere-lower thermosphere winds, and space weather forecasting. JRO will continue its tradition as a center of training and education for an international community of physics and engineering students.

该GRNAT寻求资金来续签2018年1月1日至2022年12月31日之间JICAMARCA无线电天文台（JRO）的研究和运行。天文台的主要资产是一个50 MHz VHF雷达系统，其天线由18,432个跨极化半波长偶极子组成。天线系统可以细分，转向并连接到多达四个发射机和16个接收器。 JRO的异常多功能性将其定义为无线电科学创新和发现的测试床。 JRO还测量了对流层，平流层，中层，赤道电流，E和F区域中产生的赤道不规则的回声。根据许多Geospace社区文件提供的指南，研究活动将集中在顶部电离层，高空散射，垂直（垂直于B）测量，开胃季节成像，中层低的热球风和太空天气预测。 JRO将继续其作为国际物理和工程专业学生的培训和教育中心的传统。

项目成果

期刊论文数量（11）

专著数量（0）

科研奖励数量（0）

会议论文数量（0）

专利数量（0）

Planned Science and Scientific Discovery in Equatorial Aeronomy

赤道航空学的计划科学和科学发现

DOI：
10.3389/fspas.2022.883050
发表时间：
2022
期刊：
Frontiers in Astronomy and Space Sciences
影响因子：
3
作者：
Hysell, D. L.
通讯作者：
Hysell, D. L.

Mapping Irregularities in the Postsunset Equatorial Ionosphere With an Expanded Network of HF Beacons

利用扩展的高频信标网络绘制日落后赤道电离层的不规则现象

DOI：
10.1029/2021ja029229
发表时间：
2021
期刊：
Journal of Geophysical Research: Space Physics
影响因子：
0
作者：
Hysell, D. L.;Rojas, E.;Goldberg, H.;Milla, M. A.;Kuyeng, K.;Valdez, A.;Morton, Y. T.;Bourne, H.
通讯作者：
Bourne, H.

Aperture‐Synthesis Radar Imaging With Compressive Sensing for Ionospheric Research