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

Department of Earth Sciences

Research output: Contribution to journal › Letter › peer-review

21 Citations (Scopus)

Abstract

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.

Original language	English
Article number	3
Journal	Geoscience Letters
Volume	3
Issue number	1
DOIs	https://doi.org/10.1186/s40562-016-0036-5
Publication status	Published - 2016 Dec 1

All Science Journal Classification (ASJC) codes

General Earth and Planetary Sciences

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10.1186/s40562-016-0036-5

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title = "A new parameter of geomagnetic storms for the severity of space weather",

abstract = "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.",

author = "N. Balan and Batista, {I. S.} and {Tulasi Ram}, S. and Rajesh, {P. K.}",

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 - Balan, N.

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.

PY - 2016/12/1

Y1 - 2016/12/1

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

Abstract

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