Electrical conductivity channels in the atmosphere produced by relativistic electron microbursts from the magnetosphere

被引：8
|
作者：
Borovsky, Joseph E. [1 ,2 ]
机构：
[1] Space Sci Inst, Boulder, CO 80301 USA
[2] Univ Michigan, CSSE, Ann Arbor, MI 48109 USA
来源：
JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS | 2017年 / 155卷
基金：
美国国家科学基金会;
关键词：
Atmospheric electricity; Mesosphere; Relativistic electrons; Microbursts; Radiation belts; Ionization; RADIATION BELT; ION-PAIR; AIR; PRECIPITATION; IONIZATION; ATTACHMENT; SPRITES; ENERGY; SIMULATIONS; IONOSPHERE;
D O I：
10.1016/j.jastp.2017.01.004
中图分类号：
P3 [地球物理学]; P59 [地球化学];
学科分类号：
0708 ; 070902 ;
摘要：
The properties of a cylindrical-shaped magnetic-field-aligned channel of electrical conductivity produced by the precipitation of relativistic-electrons into the atmosphere during a spatially localized magnetospheric micro burst are estimated. The conducting channel connects the middle atmosphere (similar to 50 km) to the ionosphere. A channel diameter of similar to 8 km with an electric conductivity of 1.2x10(-9) Omega(-1)m(-1) near the bottom and 1.8x10(-7) Omega(-1) m(-1) higher up is found. In the fair-weather electric field, the higher-conductivity portions of the channel can carry substantial electrical currents.
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页码：22 / 26
页数：5
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