Ultra-low-frequency electromagnetic background of a megapolis (Moscow)

被引：0
|
作者：
Belyaev, GG [1 ]
Chmyrev, VM
Kleimenova, NG
Kozyreva, OV
机构：
[1] Russian Acad Sci, Inst Terr Magnetism Ionosphere & Radiowave Propag, Troitsk 142190, Moscow Oblast, Russia
[2] Russian Acad Sci, Schmidt Joint Inst Phys Earth, Moscow 123810, Russia
来源：
GEOMAGNETISM AND AERONOMY | 2003年 / 43卷 / 05期
关键词：
D O I：
暂无
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 electromagnetic background emission in the ultra-low (ULF) frequency range (0.1-10 Hz) has been measured in daytime in various districts of Moscow and Moscow Region. The measurements have shown that the amplitude of anthropogenic pulsed noise in the frequency range under examination increases sharply as the frequency decreases. An extremely high electromagnetic-noise level (up to 250 nT at frequencies below 1 Hz and up to 2 nT at 8 Hz) has been detected at the center of Moscow. It is more than 50 times as high as the noise level on the outskirts of the city and two orders of magnitude higher than in the countryside.
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收藏
页码：650 / 653
页数：4
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