Characteristic Features of Solar Cosmic Rays in the 21st-24th Solar-Activity Cycles According to Data from Catalogs of Solar Proton Events

被引：8

作者：

Bazilevskaya, G. A. ^{[1
]}

Daibog, E., I ^{[2
]}

Logachev, Yu, I ^{[2
]}

Vlasova, N. A. ^{[2
]}

Ginzburg, E. A. ^{[3
]}

Ishkov, V. N. ^{[4
,5
]}

Lazutin, L. L. ^{[2
]}

Nguyen, M. D. ^{[2
]}

Surova, G. M. ^{[2
]}

Yakovchouk, O. S. ^{[2
]}

机构：

[1] Russian Acad Sci, Lebedev Phys Inst, Moscow, Russia

[2] Moscow MV Lomonosov State Univ, Skobeltsyn Inst Nucl Phys, Moscow, Russia

[3] Roshydromet, Fedorov Inst Appl Geophys, Moscow, Russia

[4] Pushkov Inst Terr Magnetism Ionosphere & Radio Wa, Troitsk, Russia

[5] Russian Acad Sci, Geophys Ctr, Moscow, Russia

来源：

GEOMAGNETISM AND AERONOMY | 2021年 / 61卷 / 01期

基金：

俄罗斯基础研究基金会;

关键词：

D O I：

10.1134/S0016793221010023

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：

Homogeneous series of solar cosmic-ray events for four solar-activity cycles against the background of decreased activity in cycles 23 and 24 are considered. The number of solar cosmic-ray events with energies above 10 MeV decreased insignificantly, while the number of ground-level enhancements in comparison between cycles 23 and 24 decreased by eight times. It is shown that the average contribution of flares to the generation of ground-level enhancements decreased from cycle 23 to cycle 24 by three times, and the average contribution of coronal mass ejections decreased by five times; the average contribution of flares to the generation of solar cosmic rays with energy >10 MeV decreased by 1.3 times, and the average contribution of coronal mass ejections increased by 1.4 times.

引用

页码：6 / 13

页数：8

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