Collaborative Research: Continued Study of Ultra Low Frequency (ULF) Waves at Cusp Latitudes on Svalbard to Probe Earth's Space Environment
合作研究:继续研究斯瓦尔巴特群岛尖纬度的超低频(ULF)波,以探测地球的空间环境
基本信息
- 批准号:1202267
- 负责人:
- 金额:$ 18.59万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2013
- 资助国家:美国
- 起止时间:2013-08-01 至 2016-07-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
A large array of ground based instruments has been installed on the Svalbard archipelago in Norway. Svalbard is frequently on polar cusp field lines that map to the outer boundary of the Earth's magnetosphere where it interacts with the solar wind and interplanetary magnetic field (IMF). This proposal has two parts: One part is for support for the continued operation of and processing data from an array of four search coil magnetometers (induction antennas). The second part is to carry out analysis of data from these four instruments. Svalbard is the only place in the northern hemisphere where polar cusp field lines can be observed for extended periods in darkness at noon. In addition to the four search coil magnetometers auroral imagers and photometers, several radars (EISCAT, SPEAR and SuperDarn) and the northernmost fluxgate magnetometers of the IMAGE chain are located on Svalbard. This makes Svalbard an excellent place to carry out observations of ionospheric phenomena on magnetic field lines that map to the magnetopause. Three main types of studies using the data from the search coils and other instruments are:a.) Make a concentrated effort to understand the observations of Pc 1-2 waves in the cusp and their effect on radiation belt dynamics. In the Pc 1-2 frequency range electromagnetic ion cyclotron waves (EMIC) are thought to interact resonantly with MeV electrons in the radiation belts. The waves and radiation belt dynamics and the persistence of waves (sometimes seen for days) will be studied as well as waves associated with auroral precipitation. b.) Probe the Ionosphere Alfvén Resonator (IAR) by using the Space Plasma Exploration by Active Radar (SPEAR) heater facility in conjunction with the EISCAT radar. The IAR is a region in the ionosphere bounded by the F or E region at lower altitudes and by a peak in the Alfvén velocity at higher altitudes. This research will characterize the quality factor (Q) of the IAR. The quality factor relates the energy stored in the resonator with the energy dissipated. If the IAR is driven long enough the energy contained in the resonator will be proportional to Q. By controlling the input energy from the SPEAR heater they will be able to determine Q. c.) Investigate the properties of PC3-4 waves at very high latitudes. In this study SuperDARN radar will be used along with the search coils to determine the intensity of PC 3-4 as a function of position with respect to the cusp. The goal will be to determine how these ULF waves reach the high latitude ionosphere. The data from the four closely space magnetometers are very valuable for a number of space physics studies. The team will make the data available to the scientific community through the NASA Virtual Observatories. This proposal will support a graduate student at the University of New Hampshire and an undergraduate researcher at Augsburg College.
在挪威的斯瓦尔巴群岛上安装了大量的地面仪器。 斯瓦尔巴特群岛经常处于极尖磁力线上,这些磁力线映射到地球磁层的外边界,在那里它与太阳风和行星际磁场(IMF)相互作用。该提案分为两部分:一部分用于支持四个搜索线圈磁力计(感应天线)阵列的持续操作和处理数据。第二部分是对这四个工具的数据进行分析。斯瓦尔巴特群岛是北方半球唯一一个可以在中午黑暗中长时间观察到极尖磁力线的地方。除了四个搜索线圈磁力仪、极光成像仪和光度计外,斯瓦尔巴特群岛上还有几个雷达(EISCAT、SPARY和SuperDarn)和IMAGE链最北端的磁通门磁力仪。这使得斯瓦尔巴特群岛成为观测磁层顶磁场线上电离层现象的绝佳地点。使用来自搜索线圈和其他仪器的数据的三种主要类型的研究是:集中精力了解尖点Pc 1-2波的观测及其对辐射带动力学的影响。在Pc 1-2频率范围内,电磁离子回旋波(EMIC)被认为与辐射带中MeV电子共振相互作用。将研究波和辐射带的动态和波的持续性(有时几天都能看到)以及与极光降水有关的波。B.)利用空间等离子体探测主动雷达加热器设施结合EISCAT雷达探测电离层Alfvén共振器。IAR是电离层中的一个区域,在较低的高度以F或E区域为界,在较高的高度以Alfvén速度的峰值为界。本研究将描述IAR的品质因数(Q)。品质因数将存储在谐振器中的能量与耗散的能量相关联。如果IAR被驱动足够长的时间,则谐振器中包含的能量将与Q成比例。通过控制来自SPECTRA加热器的输入能量,他们将能够确定Q。c.)研究极高纬度PC 3 -4波的特性。在这项研究中,SuperDARN雷达将与探测线圈一起沿着使用,以确定PC 3-4的强度作为相对于尖点的位置的函数。目标是确定这些ULF波如何到达高纬度电离层。这四个近地空间磁强计的数据对许多空间物理研究都是非常有价值的。该团队将通过NASA虚拟观测台向科学界提供数据。这项提案将支持新罕布什尔州大学的一名研究生和奥格斯堡学院的一名本科生研究员。
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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Mark Engebretson其他文献
EMIC wave events during the four QARBM challenge intervals
四个 QARBM 挑战间隔期间的 EMIC 波事件
- DOI:
- 发表时间:
2017 - 期刊:
- 影响因子:0
- 作者:
Mark Engebretson;Jennifer Posch;David Braun;Wen Li;Vassilis Angelopoulos;Adam Kellerman;Craig Kletzing;Marc Lessard; Ian Mann;Tero Raita;Kazuo Shiokawa;and John Wygant - 通讯作者:
and John Wygant
Geomagnetic Phenomena near the AUTUMNX Magnetic Array in Quebec, Canada
加拿大魁北克 AUTUMNX 磁阵附近的地磁现象
- DOI:
- 发表时间:
2017 - 期刊:
- 影响因子:0
- 作者:
Martin Connors;Ian Schofield;Kyle Reiter;Christopher Russell;Sebastien Guillon;Paul Prikryl;Kazuo Shiokawa;Mark Engebretson;and Peter Chi - 通讯作者:
and Peter Chi
J-PARC KOTO実験2015年物理データを用いたK中間子由来の背景事象解析
J-PARC KOTO 实验 2015 使用物理数据分析 kaons 衍生的背景现象
- DOI:
- 发表时间:
2017 - 期刊:
- 影响因子:0
- 作者:
Martin Connors;Ian Schofield;Kyle Reiter;Christopher Russell;Sebastien Guillon;Paul Prikryl;Kazuo Shiokawa;Mark Engebretson;and Peter Chi;上路市訓 - 通讯作者:
上路市訓
Geomagnetic Phenomena near the AUTUMNX Magnetic Array in Québec, Canada
曲县AUTUMNX磁阵附近的地磁现象
- DOI:
- 发表时间:
2017 - 期刊:
- 影响因子:0
- 作者:
Martin Connors;Ian Schofield;Kyle Reiter;Christopher Russell;Sébastien Guillon;Paul Prikryl;Kazuo Shiokawa;Mark Engebretson;and Peter Chi - 通讯作者:
and Peter Chi
「政治」春日直樹・竹沢尚一郎(編)『文化人類学のエッセンス―人類学で世界をみる/ 変える』
《政治》春日直树、竹泽昭一郎(主编)《文化人类学的本质:用人类学看/改变世界》
- DOI:
- 发表时间:
2021 - 期刊:
- 影响因子:0
- 作者:
Mark Engebretson;Jennifer Posch;David Braun;Wen Li;Vassilis Angelopoulos;Adam Kellerman;Craig Kletzing;Marc Lessard; Ian Mann;Tero Raita;Kazuo Shiokawa;and John Wygant;松田素二 - 通讯作者:
松田素二
Mark Engebretson的其他文献
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{{ truncateString('Mark Engebretson', 18)}}的其他基金
Collaborative Research: GEM: Propagation and Dissipation of Electromagnetic Ion Cyclotron Waves in the Magnetosphere and Ionosphere
合作研究:GEM:磁层和电离层中电磁离子回旋波的传播和耗散
- 批准号:
2247396 - 财政年份:2024
- 资助金额:
$ 18.59万 - 项目类别:
Standard Grant
Collaborative Research: Ground-Based Studies of High-Latitude Magnetospheric and Ionospheric Dynamics Using the Magnetometer Array for Cusp and Cleft Studies (MACCS)
合作研究:使用磁力计阵列进行尖点和裂口研究(MACCS)的高纬度磁层和电离层动力学地面研究
- 批准号:
2013648 - 财政年份:2020
- 资助金额:
$ 18.59万 - 项目类别:
Continuing Grant
Creating Standards for Evaluating Ground Magnetometer Arrays
创建评估地面磁力计阵列的标准
- 批准号:
1763257 - 财政年份:2018
- 资助金额:
$ 18.59万 - 项目类别:
Standard Grant
Collaborative Research: Studies of Magnetospheric and Ionospheric Dynamics Using the Magnetometer Array for Cusp and Cleft Studies (MACCS)
合作研究:使用磁力计阵列进行尖点和裂口研究(MACCS)的磁层和电离层动力学研究
- 批准号:
1651263 - 财政年份:2017
- 资助金额:
$ 18.59万 - 项目类别:
Continuing Grant
Ground-Based Magnetometer Array Planning Workshop; Greenbelt, Maryland; May 5-6, 2016
地基磁力计阵列规划研讨会;
- 批准号:
1639587 - 财政年份:2016
- 资助金额:
$ 18.59万 - 项目类别:
Standard Grant
Collaborative Research: Studies of ULF Waves Associated with Solar Wind Coupling to the Magnetosphere and Ionosphere.
合作研究:与太阳风耦合到磁层和电离层相关的超低频波的研究。
- 批准号:
1341493 - 财政年份:2014
- 资助金额:
$ 18.59万 - 项目类别:
Continuing Grant
Collaborative Research: Studies of Magnetosphere-Ionosphere Coupling and Space Weather Using the Magnetometer Array for Cusp and Cleft Studies (MACCS)
合作研究:利用磁力计阵列进行尖点和裂隙研究(MACCS)的磁层-电离层耦合和空间天气研究
- 批准号:
1264146 - 财政年份:2014
- 资助金额:
$ 18.59万 - 项目类别:
Continuing Grant
Collaborative Research: Studies of Solar Wind - Magnetosphere Interactions using Observations of ULF Waves at an Extensive Ground Array at High Latitudes
合作研究:利用高纬度广泛地面阵列中的 ULF 波观测研究太阳风 - 磁层相互作用
- 批准号:
1142045 - 财政年份:2012
- 资助金额:
$ 18.59万 - 项目类别:
Standard Grant
Collaborative Research: Studies of Solar Wind -- Magnetosphere Interactions using Observations of ULF Waves at Manned Stations as Part of an Extensive Ground Array
合作研究:利用载人观测站作为广泛地面阵列一部分的 ULF 波观测来研究太阳风 - 磁层相互作用
- 批准号:
0838917 - 财政年份:2009
- 资助金额:
$ 18.59万 - 项目类别:
Standard Grant
Collaborative Research: PENGUIn - A High-Latitude Window to Geospace Dynamics
合作研究:PENGUIn——地球空间动力学的高纬度窗口
- 批准号:
0840133 - 财政年份:2009
- 资助金额:
$ 18.59万 - 项目类别:
Standard Grant
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