SHINE: Understanding the Impact of Solar Energetic Particles and Forbush Decreases on the Global Electric Circuit
SHINE:了解太阳能高能粒子和福布什减少对全球电路的影响
基本信息
- 批准号:2301365
- 负责人:
- 金额:$ 71.05万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2023
- 资助国家:美国
- 起止时间:2023-06-01 至 2027-05-31
- 项目状态:未结题
- 来源:
- 关键词:
项目摘要
Solar Energetic Particle (SEP) are identified as the top space weather hazard. These particles, when propagating to the Earth, create risks to astronauts, electronics onboard satellites, and to other human-built infrastructure and technology. Previous studies have suggested that SEPs can even influence Earth’s climate. As these particles precipitate down in the Earth’s atmosphere, they deposit their energy through ionization, modify atmospheric chemistry, and lead to cloud formation. The coupling between SEP-related space weather phenomena and tropospheric climate can be essential for the human environment, and this coupling exists, in part, through the Global Electric Circuit (GEC). A thorough understanding of this coupling requires a thorough understanding of how the GEC responds to SEPs and Forbush Decreases (FDs), and requires collaborative efforts from researchers from heliospheric physics, cosmic ray physics, and atmospheric physics. This project is an interdisciplinary study to increase understanding on how SEPs affect the GEC and terrestrial weather or climate. This proposal will support one postdoc and a summer graduate student, therefore helping to train the next generation of space plasma and atmospheric scientists. This work aims to understand the effect of SEPs and FDs on the Global Electric Circuit. It will focus on how the measured potential gradient (PG) in fair weather conditions responds to SEPs and FDs across the globe and how lightning respond to SEPs and FDs. The methodology will involve both data analysis and numerical simulation. To achieve the science goals the team will, 1) Examine the correlation between PG increases in fair weather conditions and station altitude and magnetic latitude; 2) Identify the possible relationship between the characteristics of SEPs and solar wind and the PG increases in fair weather condition; 3) Identify the possible relationship between Forbush Decrease characteristics and PG increases in fair weather conditions; 4) Understand the global ionization profiles during SEP events by comparing observations of PG increases with Monte-Carlo simulations; and 5) Investigate the relationship between SEP events and lightning.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.
太阳高能粒子(SEP)被认为是最严重的空间天气灾害。当这些粒子传播到地球时,会对宇航员、卫星上的电子设备以及其他人类建造的基础设施和技术造成威胁。先前的研究表明,sep甚至可以影响地球的气候。当这些粒子在地球大气中沉淀下来时,它们通过电离沉积能量,改变大气化学,并导致云的形成。与sep相关的空间天气现象与对流层气候之间的耦合对人类环境至关重要,这种耦合部分通过全球电路(GEC)存在。要彻底了解这种耦合,就需要彻底了解GEC对sep和Forbush衰减(FDs)的响应方式,并需要来自日球层物理学、宇宙射线物理学和大气物理学的研究人员的共同努力。该项目是一项跨学科研究,旨在加深对sep如何影响GEC和陆地天气或气候的理解。这项提案将支持一名博士后和一名暑期研究生,因此有助于培养下一代空间等离子体和大气科学家。这项工作旨在了解sep和fd对全球电路的影响。它将侧重于在公平天气条件下测量的电位梯度(PG)如何响应全球范围内的sep和fd,以及闪电如何响应sep和fd。该方法将包括数据分析和数值模拟。为了实现科学目标,该团队将:1)研究公平天气条件下PG增加与站高和磁纬之间的相关性;2)确定晴天条件下sep与太阳风特征与PG增加之间可能存在的关系;3)确定天气条件下Forbush减少特征与PG增加之间可能存在的关系;4)通过与Monte-Carlo模拟比较PG增加的观测结果,了解SEP事件期间的全球电离分布;5)探讨SEP事件与闪电的关系。该奖项反映了美国国家科学基金会的法定使命,并通过使用基金会的知识价值和更广泛的影响审查标准进行评估,被认为值得支持。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Gang Li其他文献
Differentially private model publishing in cyber physical systems
网络物理系统中的差分隐私模型发布
- DOI:
10.1016/j.future.2018.04.016 - 发表时间:
2020-07 - 期刊:
- 影响因子:0
- 作者:
Tianqing Zhu;Ping Xiong;Gang Li;Wanlei Zhou;Philip S. Yu - 通讯作者:
Philip S. Yu
SEM plays an important role in the study of fossil clam shrimps
- DOI:
10.4172/2591-7641.1000006 - 发表时间:
2017 - 期刊:
- 影响因子:0
- 作者:
Gang Li - 通讯作者:
Gang Li
3-D Adaptive Finite-Element Modeling of Marine Controlled-Source Electromagnetics with Seafloor Topography Based on Secondary Potentials
基于二次势的海底地形海洋受控源电磁学 3-D 自适应有限元建模
- DOI:
10.1007/s00024-018-1921-y - 发表时间:
2018-06 - 期刊:
- 影响因子:2
- 作者:
Yixin Ye;Yuguo Li;Gang Li;Wenwu Tang;Zhiyong Zhang - 通讯作者:
Zhiyong Zhang
A single nucleotide polymorphism (SNP) assay for population stratification test between eastern Asians in association studies
关联研究中东亚人群体分层测试的单核苷酸多态性 (SNP) 测定
- DOI:
10.5897/ajb10.1424 - 发表时间:
2011 - 期刊:
- 影响因子:0
- 作者:
T. Jin;Gang Li;D. Lin;Hongjuan Liang;Qing Wang - 通讯作者:
Qing Wang
Imaging characters of the lung cancer phantoms under the simulative clinical condition performed
模拟临床条件下肺癌体模的成像特征
- DOI:
- 发表时间:
2013 - 期刊:
- 影响因子:1.3
- 作者:
Jie Zhang;Yu Chen;Gang Li;Xiaoming Jiang - 通讯作者:
Xiaoming Jiang
Gang Li的其他文献
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{{ truncateString('Gang Li', 18)}}的其他基金
NRT-AI: Harnessing AI for Inverse Design Training in Advanced and Sustainable Composites (IDeAS Composites)
NRT-AI:利用人工智能进行先进和可持续复合材料的逆向设计培训(IDeAS Composites)
- 批准号:
2244342 - 财政年份:2023
- 资助金额:
$ 71.05万 - 项目类别:
Standard Grant
ANSWERS: Understanding and Forecasting Solar Energetic Particles in the Inner Solar System and Earth's Magnetosphere
答案:了解和预测内太阳系和地球磁层中的太阳高能粒子
- 批准号:
2149771 - 财政年份:2022
- 资助金额:
$ 71.05万 - 项目类别:
Continuing Grant
Collaborative Research: SHINE: What is Causing the Deficit of High-Energy Solar Particles in Cycle 24?
合作研究:SHINE:是什么导致第 24 周期高能太阳能粒子的不足?
- 批准号:
1622391 - 财政年份:2016
- 资助金额:
$ 71.05万 - 项目类别:
Continuing Grant
Collaborative Research: SHINE--Observations and Modeling of Energetic Particles Associated with Corotating Interaction Regions During Solar Cycles 23 and 24
合作研究:SHINE——第 23 和 24 太阳周期期间与共转相互作用区域相关的高能粒子的观测和建模
- 批准号:
0962658 - 财政年份:2010
- 资助金额:
$ 71.05万 - 项目类别:
Standard Grant
CAREER: Multiscale Thermomechanical Analysis of Nanomaterials and Nanostructures
职业:纳米材料和纳米结构的多尺度热机械分析
- 批准号:
0955096 - 财政年份:2010
- 资助金额:
$ 71.05万 - 项目类别:
Standard Grant
CAREER: Transport of Ions and Electrons in Solar Energetic Particle Events -- Towards an Integrated Space Weather Model
职业:太阳高能粒子事件中离子和电子的传输——建立综合空间天气模型
- 批准号:
0847719 - 财政年份:2009
- 资助金额:
$ 71.05万 - 项目类别:
Standard Grant
Multiscale Computational Analysis of Nanoelectromechanical Systems (NEMS)
纳米机电系统 (NEMS) 的多尺度计算分析
- 批准号:
0800474 - 财政年份:2008
- 资助金额:
$ 71.05万 - 项目类别:
Standard Grant
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