A new parameter of geomagnetic storms for the severity of space weather

N. Balan; I. S. Batista; S. Tulasi Ram; P. K. Rajesh

doi:10.1186/s40562-016-0036-5

A new parameter of geomagnetic storms for the severity of space weather

N. Balan, I. S. Batista, S. Tulasi Ram, P. K. Rajesh

地球科學系

研究成果: Letter › 同行評審

19 引文斯高帕斯（Scopus）

摘要

Using the continuous Dst data available since 1957 and H component data for the Carrington space weather event of 1859, the paper shows that the mean value of Dst during the main phase of geomagnetic storms, called mean Dst_MP, is a unique parameter that can indicate the severity of space weather. All storms having high mean Dst_MP (≤−250 nT), which corresponds to high amount of energy input in the magnetosphere–ionosphere system in short duration, are found associated with severe space weather events that caused all known electric power outages and telegraph system failures.

原文	English
文章編號	3
期刊	Geoscience Letters
卷	3
發行號	1
DOIs	https://doi.org/10.1186/s40562-016-0036-5
出版狀態	Published - 2016 12月 1

All Science Journal Classification (ASJC) codes

一般地球與行星科學

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10.1186/s40562-016-0036-5

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note = "Funding Information: We thank the Kyoto WDC for the Dst data ( http://wdc.kugi.kyoto-u.ac.jp/dstdir/ ). N Balan thanks CNPq of Brazil for an Invitation Fellowship. Publisher Copyright: {\textcopyright} 2016, Balan et al.",

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AU - Batista, I. S.

AU - Tulasi Ram, S.

AU - Rajesh, P. K.

N1 - Funding Information: We thank the Kyoto WDC for the Dst data ( http://wdc.kugi.kyoto-u.ac.jp/dstdir/ ). N Balan thanks CNPq of Brazil for an Invitation Fellowship. Publisher Copyright: © 2016, Balan et al.

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N2 - Using the continuous Dst data available since 1957 and H component data for the Carrington space weather event of 1859, the paper shows that the mean value of Dst during the main phase of geomagnetic storms, called mean DstMP, is a unique parameter that can indicate the severity of space weather. All storms having high mean DstMP (≤−250 nT), which corresponds to high amount of energy input in the magnetosphere–ionosphere system in short duration, are found associated with severe space weather events that caused all known electric power outages and telegraph system failures.

AB - Using the continuous Dst data available since 1957 and H component data for the Carrington space weather event of 1859, the paper shows that the mean value of Dst during the main phase of geomagnetic storms, called mean DstMP, is a unique parameter that can indicate the severity of space weather. All storms having high mean DstMP (≤−250 nT), which corresponds to high amount of energy input in the magnetosphere–ionosphere system in short duration, are found associated with severe space weather events that caused all known electric power outages and telegraph system failures.

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A new parameter of geomagnetic storms for the severity of space weather

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