M-I Coupling: Theoretical Study of Magnetospherically Generated Electric Fields in the Auroral and Subauroral Ionosphere

M-I 耦合:极光和极光下电离层中磁层产生的电场的理论研究

基本信息

  • 批准号:
    0101349
  • 负责人:
  • 金额:
    $ 21万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2001
  • 资助国家:
    美国
  • 起止时间:
    2001-09-01 至 2004-08-31
  • 项目状态:
    已结题

项目摘要

The investigators propose to study the electrodynamics of the coupled magnetosphere-ionosphere (M-I) system in the vicinity of the region-2 shielding currents that link the inner plasma sheet and inner magnetosphere to the auroral and subauroral ionosphere. The project will focus on two outstanding physics questions: (1) the effects of field-aligned potential drops on global electric field and precipitation patterns, and (2) the physical mechanisms involved in the generation of Polarization Jet (PJ) events. The principal tool for carrying out the proposed investigation will be the Rice Convection Model (RCM), an established computer model that self-consistently follows the time evolution of electric fields, currents, and plasma flow velocities in the quasi-static approximation. Improvements in the numerical machinery and algorithms of the RCM will be implemented, as needed, to investigate these phenomena. Model results will be archived and visualization tools provided to facilitate comparisons with data from incoherent scatter radars and polar-orbiting spacecraft, and with empirically derived patterns of electric fields developed within the context of the NSF CEDAR initiative. Comparisons with observational data will be carried out in collaboration with Utah State University and as part of the GEM Magnetosphere-Ionosphere Coupling Campaign.
研究人员提议研究磁层-电离层耦合系统在连接内等离子体片和内磁层与极光和亚极光电离层的区域2屏蔽电流附近的电动力学。该项目将集中于两个悬而未决的物理问题:(1)场向势降对全球电场和降水模式的影响,以及(2)极化急流(PJ)事件产生的物理机制。开展这项研究的主要工具将是赖斯对流模型(RCM),这是一个已建立的计算机模型,它在准静态近似下自洽地跟踪电场、电流和等离子体流动速度的时间演变。为调查这些现象,将根据需要改进RCM的数值机制和算法。将对模型结果进行存档,并提供可视化工具,以便于与非相干散射雷达和极地轨道航天器的数据进行比较,并与在国家科学基金会雪松倡议范围内开发的经验得出的电场模式进行比较。与观测数据的比较将与犹他州立大学合作进行,并作为全球地球观测系统磁层-电离层耦合运动的一部分。

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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Richard Wolf其他文献

Computers: An introduction
Complex cutaneous leishmaniasis in pregnancy
  • DOI:
    10.1016/j.ajog.2023.02.027
  • 发表时间:
    2023-09-01
  • 期刊:
  • 影响因子:
  • 作者:
    Christine M. Zachek;Olive Osuoji;Isabella Qendro;Omonigho Aisagbonhi;Richard Wolf;Brian Hinds;Scott A. Harvey
  • 通讯作者:
    Scott A. Harvey
Use of the computer in educational research: The international educational achievement project (I.E.A.)
A Prospective, Randomized Trial Comparing Combination Half‐Dose Tissue‐Type Plasminogen Activator and Streptokinase With Full-Dose Tissue‐Type Plasminogen Activator
一项前瞻性随机试验,比较半剂量组织型纤溶酶原激活剂和链激酶与全剂量组织型纤溶酶原激活剂的组合
  • DOI:
  • 发表时间:
    1991
  • 期刊:
  • 影响因子:
    37.8
  • 作者:
    C. Grines;Steven E. Nissen;David C. Booth;John C. Gurley;N. Chelliah;Richard Wolf;James Blankenship;Marcelo C. Branco;K. Bennett;Anthony N. DeMaria
  • 通讯作者:
    Anthony N. DeMaria
Clinical Policy: Critical Issues in the Evaluation and Management of Adult Out-of-Hospital or Emergency Department Patients Presenting With Severe Agitation: Approved by the ACEP Board of Directors, October 6, 2023
  • DOI:
    10.1016/j.annemergmed.2023.09.010
  • 发表时间:
    2024-01-01
  • 期刊:
  • 影响因子:
  • 作者:
    Molly E.W. American College of Emergency Physicians Clinical Policies Subcommittee (Writing Committee) on Severe Agitation;Steven A. Thiessen;Benjamin W. Godwin;Jessica A. Hatten;Jason S. Whittle;Deborah B. Haukoos;Deborah B. Diercks;Stephen J. Members of the American College of Emergency Physicians Clinical Policies Committee (Oversight Committee);John D. Diercks;Richard Wolf;Christopher R. Anderson;Benjamin Byyny;Seth R. Carpenter;Charles J. Friedman;Steven A. Gemme;Sigrid A. Gerardo;Benjamin W. Godwin;Jason S. Hahn;Amy Hatten;Heemun Haukoos; Kaji; Kwok
  • 通讯作者:
    Kwok

Richard Wolf的其他文献

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{{ truncateString('Richard Wolf', 18)}}的其他基金

Collaborative Research: M-I Coupling: A New Euler Potential Based Magnetospheric Convection Model
合作研究:M-I耦合:一种新的基于欧拉势的磁层对流模型
  • 批准号:
    0334400
  • 财政年份:
    2003
  • 资助金额:
    $ 21万
  • 项目类别:
    Continuing grant
Collaborative Research: ITR: Prototype, High-Performance, Threat-Adaptive, Space Storm Simulation and Forecast Model Supported by a Data Assimilative, Grid Computing Infrastructure
合作研究:ITR:由数据同化、网格计算基础设施支持的原型、高性能、威胁自适应、空间风暴模拟和预测模型
  • 批准号:
    0325255
  • 财政年份:
    2003
  • 资助金额:
    $ 21万
  • 项目类别:
    Continuing Grant
Space Weather: Geosynchronous Data Assimilation for an Operational Magnetosphere Model
空间天气:可操作磁层模型的地球同步数据同化
  • 批准号:
    9819821
  • 财政年份:
    1999
  • 资助金额:
    $ 21万
  • 项目类别:
    Continuing grant
STTR: Wavelength Dispersive X-ray Spectrometer for Chemical Analysis in the Electron Microscope
STTR:用于电子显微镜化学分析的波长色散 X 射线光谱仪
  • 批准号:
    9523202
  • 财政年份:
    1995
  • 资助金额:
    $ 21万
  • 项目类别:
    Standard Grant
GEM: A Combined Simulation Model for the Magnetosphere: Global MHD Meets the Rice Convection Model
GEM:磁层组合仿真模型:全球 MHD 与水稻对流模型的结合
  • 批准号:
    9401699
  • 财政年份:
    1995
  • 资助金额:
    $ 21万
  • 项目类别:
    Continuing grant
Theoretical Investigation of Magnetospheric Convection
磁层对流的理论研究
  • 批准号:
    9122310
  • 财政年份:
    1992
  • 资助金额:
    $ 21万
  • 项目类别:
    Continuing grant
Theoretical Investigation of Magnetospheric Convection
磁层对流的理论研究
  • 批准号:
    8812860
  • 财政年份:
    1988
  • 资助金额:
    $ 21万
  • 项目类别:
    Continuing grant
Analysis and Data Preparation for the Second International Science Study
第二次国际科学研究的分析和数据准备
  • 批准号:
    8850487
  • 财政年份:
    1988
  • 资助金额:
    $ 21万
  • 项目类别:
    Continuing Grant
International Educational Achievement Association - General Assembly Meeting
国际教育成就协会 - 大会会议
  • 批准号:
    8652162
  • 财政年份:
    1987
  • 资助金额:
    $ 21万
  • 项目类别:
    Standard Grant
Quantitative Predictions of Magnetosphere-Ionosphere Processes; US-Japan Joint Seminar / Kyoto, Japan / November 1986
磁层-电离层过程的定量预测;
  • 批准号:
    8515502
  • 财政年份:
    1986
  • 资助金额:
    $ 21万
  • 项目类别:
    Standard Grant

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