Statistical survey on sawtooth events, SMCs and isolated substorms

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Statistical survey on sawtooth events, SMCs and isolated substorms. / Partamies, N.; Pulkkinen, T. I.; McPherron, R. L.; McWilliams, K.; Bryant, C. R.; Tanskanen, E.; Singer, H. J.; Reeves, G. D.; Thomsen, M. F.

In: Advances in Space Research, Vol. 44, No. 3, 04.08.2009, p. 376-384.

Research output: Contribution to journalArticleScientificpeer-review

Harvard

Partamies, N, Pulkkinen, TI, McPherron, RL, McWilliams, K, Bryant, CR, Tanskanen, E, Singer, HJ, Reeves, GD & Thomsen, MF 2009, 'Statistical survey on sawtooth events, SMCs and isolated substorms' Advances in Space Research, vol. 44, no. 3, pp. 376-384. https://doi.org/10.1016/j.asr.2009.03.013

APA

Partamies, N., Pulkkinen, T. I., McPherron, R. L., McWilliams, K., Bryant, C. R., Tanskanen, E., ... Thomsen, M. F. (2009). Statistical survey on sawtooth events, SMCs and isolated substorms. Advances in Space Research, 44(3), 376-384. https://doi.org/10.1016/j.asr.2009.03.013

Vancouver

Author

Partamies, N. ; Pulkkinen, T. I. ; McPherron, R. L. ; McWilliams, K. ; Bryant, C. R. ; Tanskanen, E. ; Singer, H. J. ; Reeves, G. D. ; Thomsen, M. F. / Statistical survey on sawtooth events, SMCs and isolated substorms. In: Advances in Space Research. 2009 ; Vol. 44, No. 3. pp. 376-384.

Bibtex - Download

@article{692da18bbda846f8b7478b07bc594244,
title = "Statistical survey on sawtooth events, SMCs and isolated substorms",
abstract = "Solar wind driving can cause a variety of different responses in the magnetosphere. Strong and steady driving during geomagnetic storms may result in sawtooth events. Strong to moderate driving may be followed by either sawtooth events or steady magnetospheric convection (SMC) events. Lower solar wind energy input typically leads to the formation of isolated non-storm substorms. This study uses superposed epoch analysis to reveal the typical properties of these three event groups as well as their similarities and differences. We use IMF and solar wind parameters, as well as ground-based indices (AL, SYM-H, ASY-H, PCN) to examine the level of solar wind driving and its response in the magnetosphere. Our results show that sawtooth events are associated with the strongest ionospheric activity. The subgroups of events during constant solar wind E-gamma show that the key difference between the events is the average solar wind speed. Particularly, the high activity during sawtooth events is driven by high solar wind speed, while the lowest average speed during the SMCs may explain the lack of substorm activity during the steady convection periods. (C) 2009 COSPAR. Published by Elsevier Ltd. All rights reserved.",
keywords = "M-I coupling, Substorm, Steady magnetospheric convection, Sawtooth event, HIGH-LATITUDE CONVECTION, SOLAR-WIND, IONOSPHERE, FIELD",
author = "N. Partamies and Pulkkinen, {T. I.} and McPherron, {R. L.} and K. McWilliams and Bryant, {C. R.} and E. Tanskanen and Singer, {H. J.} and Reeves, {G. D.} and Thomsen, {M. F.}",
year = "2009",
month = "8",
day = "4",
doi = "10.1016/j.asr.2009.03.013",
language = "English",
volume = "44",
pages = "376--384",
journal = "Advances in Space Research",
issn = "0273-1177",
number = "3",

}

RIS - Download

TY - JOUR

T1 - Statistical survey on sawtooth events, SMCs and isolated substorms

AU - Partamies, N.

AU - Pulkkinen, T. I.

AU - McPherron, R. L.

AU - McWilliams, K.

AU - Bryant, C. R.

AU - Tanskanen, E.

AU - Singer, H. J.

AU - Reeves, G. D.

AU - Thomsen, M. F.

PY - 2009/8/4

Y1 - 2009/8/4

N2 - Solar wind driving can cause a variety of different responses in the magnetosphere. Strong and steady driving during geomagnetic storms may result in sawtooth events. Strong to moderate driving may be followed by either sawtooth events or steady magnetospheric convection (SMC) events. Lower solar wind energy input typically leads to the formation of isolated non-storm substorms. This study uses superposed epoch analysis to reveal the typical properties of these three event groups as well as their similarities and differences. We use IMF and solar wind parameters, as well as ground-based indices (AL, SYM-H, ASY-H, PCN) to examine the level of solar wind driving and its response in the magnetosphere. Our results show that sawtooth events are associated with the strongest ionospheric activity. The subgroups of events during constant solar wind E-gamma show that the key difference between the events is the average solar wind speed. Particularly, the high activity during sawtooth events is driven by high solar wind speed, while the lowest average speed during the SMCs may explain the lack of substorm activity during the steady convection periods. (C) 2009 COSPAR. Published by Elsevier Ltd. All rights reserved.

AB - Solar wind driving can cause a variety of different responses in the magnetosphere. Strong and steady driving during geomagnetic storms may result in sawtooth events. Strong to moderate driving may be followed by either sawtooth events or steady magnetospheric convection (SMC) events. Lower solar wind energy input typically leads to the formation of isolated non-storm substorms. This study uses superposed epoch analysis to reveal the typical properties of these three event groups as well as their similarities and differences. We use IMF and solar wind parameters, as well as ground-based indices (AL, SYM-H, ASY-H, PCN) to examine the level of solar wind driving and its response in the magnetosphere. Our results show that sawtooth events are associated with the strongest ionospheric activity. The subgroups of events during constant solar wind E-gamma show that the key difference between the events is the average solar wind speed. Particularly, the high activity during sawtooth events is driven by high solar wind speed, while the lowest average speed during the SMCs may explain the lack of substorm activity during the steady convection periods. (C) 2009 COSPAR. Published by Elsevier Ltd. All rights reserved.

KW - M-I coupling

KW - Substorm

KW - Steady magnetospheric convection

KW - Sawtooth event

KW - HIGH-LATITUDE CONVECTION

KW - SOLAR-WIND

KW - IONOSPHERE

KW - FIELD

U2 - 10.1016/j.asr.2009.03.013

DO - 10.1016/j.asr.2009.03.013

M3 - Article

VL - 44

SP - 376

EP - 384

JO - Advances in Space Research

JF - Advances in Space Research

SN - 0273-1177

IS - 3

ER -

ID: 2574299