Recent advances in understanding substorm dynamics

被引：129

作者：

Sergeev, V. A. ^{[1
]}

Angelopoulos, V. ^{[2
,3
]}

Nakamura, R. ^{[4
]}

机构：

[1] St Petersburg State Univ, Earth Phys Dept, St Petersburg 198504, Russia

[2] Univ Calif Los Angeles, Dept Earth & Space Sci, Los Angeles, CA 90095 USA

[3] Univ Calif Los Angeles, Inst Geophys & Space Phys, Los Angeles, CA 90095 USA

[4] Austrian Acad Sci, Space Res Inst, A-8042 Graz, Austria

来源：

GEOPHYSICAL RESEARCH LETTERS | 2012年 / 39卷

关键词：

CLUSTER;

D O I：

10.1029/2012GL050859

中图分类号：

P [天文学、地球科学];

学科分类号：

07 ;

摘要：

Magnetospheric substorms are elemental processes of solar wind energy storage and explosive release in Earth's magnetosphere. They encompass fundamental plasma physics questions, are ubiquitous during all types of geomagnetic conditions, contribute significantly to magnetic storms, and are a key element of Space Weather applications. This paper reviews recent major advances enabled by modern multi-point space-based and ground-based platforms. These datasets have also empowered a system-wide perspective and advanced modeling. We particularly highlight progress in two areas: (1) substorm onset timing and evidence for current sheet preconditioning and destabilization and (2) fast flows and dipolarizations, including the role of entropy in magnetotail plasma propagation. Citation: Sergeev, V. A., V. Angelopoulos, and R. Nakamura (2012), Recent advances in understanding substorm dynamics, Geophys. Res. Lett., 39, L05101, doi:10.1029/2012GL050859.

引用

页数：10

共 72 条

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Runov, A. ;

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JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 2011, 116

[52] THEMIS observations of an earthward-propagating dipolarization front [J].

Runov, A. ;

Angelopoulos, V. ;

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Sergeev, V. A. ;

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GEOPHYSICAL RESEARCH LETTERS, 2009, 36

[53] Structure, force balance, and evolution of incompressible cross-tail current sheet thinning [J].

Saito, M. H. ;

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Auster, U. ;

Bonnell, J. W. ;

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JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 2011, 116

[54] Spatial profile of magnetic field in the near-Earth plasma sheet prior to dipolarization by THEMIS: Feature of minimum B [J].

Saito, M. H. ;

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GEOPHYSICAL RESEARCH LETTERS, 2010, 37

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GEOPHYSICAL RESEARCH LETTERS, 2008, 35 (07)

[56] A statistical and event study of magnetotail dipolarization fronts [J].

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ANNALES GEOPHYSICAE, 2011, 29 (09) :1537-1547

[57] Magnetospheric location of the equatorward prebreakup arc [J].

Sergeev, V. ;

Nishimura, Y. ;

Kubyshkina, M. ;

Angelopoulos, V. ;

Nakamura, R. ;

Singer, H. .

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 2012, 117

[58] Substorm growth and expansion onset as observed with ideal ground-spacecraft THEMIS coverage [J].

Sergeev, V. ;

Angelopoulos, V. ;

Kubyshkina, M. ;

Donovan, E. ;

Zhou, X. -Z. ;

Runov, A. ;

Singer, H. ;

McFadden, J. ;

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JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 2011, 116

[59] Kinetic structure of the sharp injection/dipolarization front in the flow-braking region [J].

Sergeev, V. ;

Angelopoulos, V. ;

Apatenkov, S. ;

Bonnell, J. ;

Ergun, R. ;

Nakamura, R. ;

McFadden, J. ;

Larson, D. ;

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GEOPHYSICAL RESEARCH LETTERS, 2009, 36

[60] Study of near-Earth reconnection events with Cluster and Double Star [J].

Sergeev, V. ;

Kubyshkina, M. ;

Alexeev, I. ;

Fazakerley, A. ;

Owen, C. ;

Baumjohann, W. ;

Nakamura, R. ;

Runov, A. ;

Voeroes, Z. ;

Zhang, T. L. ;

Angelopoulos, V. ;

Sauvaud, J. -A. ;

Daly, P. ;

Cao, J. B. ;

Lucek, E. .

JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 2008, 113 (A7)

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