2012年11月13-15日磁暴期间乌克兰哈尔科夫(49.6°N, 36.3°E)中纬度电离层的动力和热过程:计算结果

IF 2 4区 地球科学 Q2 GEOCHEMISTRY & GEOPHYSICS Acta Geophysica Pub Date : 2016-12-28 DOI:10.1515/acgeo-2016-0087
M. Lyashenko
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引用次数: 2

摘要

本文给出了2012年11月13日至15日哈尔科夫磁暴期间地球空间等离子体动力学和热过程参数变化的计算结果。计算是根据在欧洲中纬度地区单一的哈尔科夫非相干散射雷达上获得的实验数据进行的。计算表明,在质谱过程中,由于双极性扩散,传递速度垂直分量的值按模量增加了1.4-2.1倍。在质谱过程中,电子气体的能量输入值下降了约20-35%。在质谱主相,电子传递的热流密度增加了2-2.5倍。给出了区域分量电场值Ey的估计结果。MS期间,Ey值为- 9.5 mV/m。计算了电磁漂移引起的等离子体速度的垂直分量。
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Dynamic and Thermal Processes in the Mid-Latitude Ionosphere over Kharkov, Ukraine (49.6° N, 36.3° E), During the 13–15 November 2012 Magnetic Storm: Calculation Results
Calculation results of the variations of dynamic and thermal process parameters in geospace plasma during the 13–15 November 2012, magnetic storm (MS) over Kharkov are presented. The calculations were based on experimental data obtained on the Kharkov incoherent scatter radar, single in the European mid-latitudes. Calculations showed that during the MS there took place an increase, by modulus, of the values of vertical component of transfer velocity, due to ambipolar diffusion, up to a factor of 1.4–2.1. During the MS there took place a decrease of the values of energy input to the electron gas by about 20–35%. During the main phase of MS, the heat flux density transferred by electrons increased up to a factor of 2–2.5. Results of estimates of the zonal component electric field value Ey are presented. During the MS the value of Ey was −9.5 mV/m. The vertical component of plasma velocity due to electromagnetic drift vEB has been calculated.
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来源期刊
Acta Geophysica
Acta Geophysica 地学-地球化学与地球物理
CiteScore
3.90
自引率
13.00%
发文量
251
审稿时长
5.3 months
期刊介绍: Acta Geophysica is open to all kinds of manuscripts including research and review articles, short communications, comments to published papers, letters to the Editor as well as book reviews. Some of the issues are fully devoted to particular topics; we do encourage proposals for such topical issues. We accept submissions from scientists world-wide, offering high scientific and editorial standard and comprehensive treatment of the discussed topics.
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