TEMPORAL CHANGES OF THE SECULAR VARIATIONS OF GEOMAGNETIC FIELD IN EUROPE

被引：0
|
作者：
Sumaruk, Yu. P. [1 ]
Sumaruk, T. P. [1 ]
机构：
[1] Natl Acad Sci Ukraine, SI Sybbotin Inst Geophys, Kiev, Ukraine
来源：
SPACE SCIENCE AND TECHNOLOGY-KOSMICNA NAUKA I TEHNOLOGIA | 2016年 / 22卷 / 03期
关键词：
secular variations; geomagnetic field; solar activity;
D O I：
10.15407/knit2016.03.032
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We investigated temporal changes of the secular variations of geomagnetic field intensity using perennial series of observations of the European geomagnetic observatories. It is shown that secular variations have two components: the first - quasiconstant, from the internal sources, and the second - variable, from the external sources. The magnitude and sign of the external sources component is highly correlated to the magnitude and sign of the large scale magnetic field of the Sun and, correspondingly, to the magnitude and sign of the mean annual southern component of the interplanetary magnetic field.
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页码：32 / 40
页数：9
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