Space Weather Study Using Change Point Analysis for in situ Observations of Cosmic Rays Muons

被引：0
|
作者：
Tchorbadjieff, Assen [1 ]
Angelov, Ivo [2 ,3 ]
机构：
[1] Bulgarian Acad Sci, Inst Math & Informat, 8 Acad G Bonchev Str, BU-1113 Sofia, Bulgaria
[2] South West Univ Neofit Rilski, 66 Ivan Michailov Str, Blagoevgrad 2700, Bulgaria
[3] Bulgarian Acad Sci, Inst Nucl Res & Nucl Energy, 72 Tzarigradsho Shosse Blvd, Sofia 1748, Bulgaria
来源：
10TH JUBILEE CONFERENCE OF THE BALKAN PHYSICAL UNION | 2019年 / 2075卷
关键词：
D O I：
10.1063/1.5091225
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Coronal mass ejections (CMEs) are non-regular solar events, frequently connected with Space Weather disturbances, some of them with severe magnetic storms. The significant releases of plasma with CMEs impact modulations of Galactic Cosmic Rays (GCR) causing sudden and casual decrease of Cosmic Rays (CR), known as Forbush Decrease. For detection of such kind effects, uninterrupted in situ measurements of secondary CR muons may be used. To deal with the very fast growing data, an application based on Change Point (CP) analysis is used. It is an automatic statistical tool for sequential test analysis of abrupt regime changes in CR time series. For the study, results are reported with in-situ measured data at Moussala peak (2925 m.a.s.1.) for the period of 4 years - from 2014 to end of 2017 year and confirmed with satellite data for geoeffective solar activity connected with detected FD events.
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页数：6
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