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Compression of the Earth's magnetotail by interplanetary shocks directly drives transient magnetic flux closure

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Compression of the Earth's magnetotail by interplanetary shocks directly drives transient magnetic flux closure. / Hubert, B.; Palmroth, M.; Laitinen, T. V. et al.
In: Geophysical Research Letters, Vol. 33, No. 10, L10105, 31.05.2006.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Hubert, B, Palmroth, M, Laitinen, TV, Janhunen, P, Milan, SE, Grocott, A, Cowley, SWH, Pulkkinen, T & Gérard, J 2006, 'Compression of the Earth's magnetotail by interplanetary shocks directly drives transient magnetic flux closure', Geophysical Research Letters, vol. 33, no. 10, L10105. https://doi.org/10.1029/2006GL026008

APA

Hubert, B., Palmroth, M., Laitinen, T. V., Janhunen, P., Milan, S. E., Grocott, A., Cowley, S. W. H., Pulkkinen, T., & Gérard, J. (2006). Compression of the Earth's magnetotail by interplanetary shocks directly drives transient magnetic flux closure. Geophysical Research Letters, 33(10), Article L10105. https://doi.org/10.1029/2006GL026008

Vancouver

Hubert B, Palmroth M, Laitinen TV, Janhunen P, Milan SE, Grocott A et al. Compression of the Earth's magnetotail by interplanetary shocks directly drives transient magnetic flux closure. Geophysical Research Letters. 2006 May 31;33(10):L10105. doi: 10.1029/2006GL026008

Author

Hubert, B. ; Palmroth, M. ; Laitinen, T. V. et al. / Compression of the Earth's magnetotail by interplanetary shocks directly drives transient magnetic flux closure. In: Geophysical Research Letters. 2006 ; Vol. 33, No. 10.

Bibtex

@article{f5ea5c03b0b1446981eb46ea8bc19ec6,
title = "Compression of the Earth's magnetotail by interplanetary shocks directly drives transient magnetic flux closure",
abstract = "We use a novel method to evaluate the global opening and closure of magnetic flux in the terrestrial system, and to analyse two interplanetary shock passages that occurred during magnetically quiet periods. We find that, even under these quiet conditions, where the amount of open flux was already low, the compression of the magnetotail by the shocks still created intense but short-lived bursts of flux closure reaching ∼130 kV, comparable to values obtained shortly after a substorm onset, although no expansion phase developed. The results, supported by a global MHD simulation of the space environment, point to a trigger mechanism of flux closure directly driven by the solar wind compression, independent of the usual substorm expansion phase process.",
author = "B. Hubert and M. Palmroth and Laitinen, {T. V.} and P. Janhunen and Milan, {S. E.} and A. Grocott and Cowley, {S. W. H.} and T. Pulkkinen and J.-c. G{\'e}rard",
note = "Copyright 2006 by the American Geophysical Union.",
year = "2006",
month = may,
day = "31",
doi = "10.1029/2006GL026008",
language = "English",
volume = "33",
journal = "Geophysical Research Letters",
issn = "0094-8276",
publisher = "John Wiley & Sons, Ltd",
number = "10",

}

RIS

TY - JOUR

T1 - Compression of the Earth's magnetotail by interplanetary shocks directly drives transient magnetic flux closure

AU - Hubert, B.

AU - Palmroth, M.

AU - Laitinen, T. V.

AU - Janhunen, P.

AU - Milan, S. E.

AU - Grocott, A.

AU - Cowley, S. W. H.

AU - Pulkkinen, T.

AU - Gérard, J.-c.

N1 - Copyright 2006 by the American Geophysical Union.

PY - 2006/5/31

Y1 - 2006/5/31

N2 - We use a novel method to evaluate the global opening and closure of magnetic flux in the terrestrial system, and to analyse two interplanetary shock passages that occurred during magnetically quiet periods. We find that, even under these quiet conditions, where the amount of open flux was already low, the compression of the magnetotail by the shocks still created intense but short-lived bursts of flux closure reaching ∼130 kV, comparable to values obtained shortly after a substorm onset, although no expansion phase developed. The results, supported by a global MHD simulation of the space environment, point to a trigger mechanism of flux closure directly driven by the solar wind compression, independent of the usual substorm expansion phase process.

AB - We use a novel method to evaluate the global opening and closure of magnetic flux in the terrestrial system, and to analyse two interplanetary shock passages that occurred during magnetically quiet periods. We find that, even under these quiet conditions, where the amount of open flux was already low, the compression of the magnetotail by the shocks still created intense but short-lived bursts of flux closure reaching ∼130 kV, comparable to values obtained shortly after a substorm onset, although no expansion phase developed. The results, supported by a global MHD simulation of the space environment, point to a trigger mechanism of flux closure directly driven by the solar wind compression, independent of the usual substorm expansion phase process.

U2 - 10.1029/2006GL026008

DO - 10.1029/2006GL026008

M3 - Journal article

VL - 33

JO - Geophysical Research Letters

JF - Geophysical Research Letters

SN - 0094-8276

IS - 10

M1 - L10105

ER -