Solar wind-magnetosphere coupling during an isolated substorm event: A multispacecraft ISTP study

T. I. Pulkkinen; D. N. Baker; N. E. Turner; H. J. Singer; L. A. Frank; J. B. Sigwarth; J. Scudder; R. Anderson; S. Kokubun; R. Nakamura; T. Mukai; J. B. Blake; C. T. Russell; H. Kawano; F. Mozer; J. A. Slavin

doi:10.1029/97GL00816

Solar wind-magnetosphere coupling during an isolated substorm event: A multispacecraft ISTP study

T. I. Pulkkinen, D. N. Baker, N. E. Turner, H. J. Singer, L. A. Frank, J. B. Sigwarth, J. Scudder, R. Anderson, S. Kokubun, R. Nakamura, T. Mukai, J. B. Blake, C. T. Russell, H. Kawano, F. Mozer, J. A. Slavin

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

8 Citations (Scopus)

Abstract

Multispacecraft data from the upstream solar wind, polar cusp, and inner magnetotail are used to show that the polar ionosphere responds within a few minutes to a southward IMF turning, whereas the inner tail signatures are visible within ten min from the southward turning. Comparison of two subsequent substorm onsets, one during southward and the other during northward IMF, demonstrates the dependence of the expansion phase characteristics on the external driving conditions. Both onsets are shown to have initiated in the midtail, with signatures in the inner tail and auroral oval following a few minutes later.

Original language	English
Article number	97GL00816
Pages (from-to)	983-986
Number of pages	4
Journal	Geophysical Research Letters
Volume	24
Issue number	8
DOIs	https://doi.org/10.1029/97GL00816
Publication status	Published - 1997
Externally published	Yes

All Science Journal Classification (ASJC) codes

Geophysics
Earth and Planetary Sciences(all)

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10.1029/97GL00816

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Pulkkinen, T. I., Baker, D. N., Turner, N. E., Singer, H. J., Frank, L. A., Sigwarth, J. B., Scudder, J., Anderson, R., Kokubun, S., Nakamura, R., Mukai, T., Blake, J. B., Russell, C. T., Kawano, H., Mozer, F., & Slavin, J. A. (1997). Solar wind-magnetosphere coupling during an isolated substorm event: A multispacecraft ISTP study. Geophysical Research Letters, 24(8), 983-986. [97GL00816]. https://doi.org/10.1029/97GL00816

Pulkkinen, TI, Baker, DN, Turner, NE, Singer, HJ, Frank, LA, Sigwarth, JB, Scudder, J, Anderson, R, Kokubun, S, Nakamura, R, Mukai, T, Blake, JB, Russell, CT, Kawano, H, Mozer, F & Slavin, JA 1997, 'Solar wind-magnetosphere coupling during an isolated substorm event: A multispacecraft ISTP study', Geophysical Research Letters, vol. 24, no. 8, 97GL00816, pp. 983-986. https://doi.org/10.1029/97GL00816

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abstract = "Multispacecraft data from the upstream solar wind, polar cusp, and inner magnetotail are used to show that the polar ionosphere responds within a few minutes to a southward IMF turning, whereas the inner tail signatures are visible within ten min from the southward turning. Comparison of two subsequent substorm onsets, one during southward and the other during northward IMF, demonstrates the dependence of the expansion phase characteristics on the external driving conditions. Both onsets are shown to have initiated in the midtail, with signatures in the inner tail and auroral oval following a few minutes later.",

author = "Pulkkinen, {T. I.} and Baker, {D. N.} and Turner, {N. E.} and Singer, {H. J.} and Frank, {L. A.} and Sigwarth, {J. B.} and J. Scudder and R. Anderson and S. Kokubun and R. Nakamura and T. Mukai and Blake, {J. B.} and Russell, {C. T.} and H. Kawano and F. Mozer and Slavin, {J. A.}",

year = "1997",

doi = "10.1029/97GL00816",

language = "English",

volume = "24",

pages = "983--986",

journal = "Geophysical Research Letters",

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publisher = "American Geophysical Union",

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T1 - Solar wind-magnetosphere coupling during an isolated substorm event

T2 - A multispacecraft ISTP study

AU - Pulkkinen, T. I.

AU - Baker, D. N.

AU - Turner, N. E.

AU - Singer, H. J.

AU - Frank, L. A.

AU - Sigwarth, J. B.

AU - Scudder, J.

AU - Anderson, R.

AU - Kokubun, S.

AU - Nakamura, R.

AU - Mukai, T.

AU - Blake, J. B.

AU - Russell, C. T.

AU - Kawano, H.

AU - Mozer, F.

AU - Slavin, J. A.

PY - 1997

Y1 - 1997

N2 - Multispacecraft data from the upstream solar wind, polar cusp, and inner magnetotail are used to show that the polar ionosphere responds within a few minutes to a southward IMF turning, whereas the inner tail signatures are visible within ten min from the southward turning. Comparison of two subsequent substorm onsets, one during southward and the other during northward IMF, demonstrates the dependence of the expansion phase characteristics on the external driving conditions. Both onsets are shown to have initiated in the midtail, with signatures in the inner tail and auroral oval following a few minutes later.

AB - Multispacecraft data from the upstream solar wind, polar cusp, and inner magnetotail are used to show that the polar ionosphere responds within a few minutes to a southward IMF turning, whereas the inner tail signatures are visible within ten min from the southward turning. Comparison of two subsequent substorm onsets, one during southward and the other during northward IMF, demonstrates the dependence of the expansion phase characteristics on the external driving conditions. Both onsets are shown to have initiated in the midtail, with signatures in the inner tail and auroral oval following a few minutes later.

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Solar wind-magnetosphere coupling during an isolated substorm event: A multispacecraft ISTP study

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