High-time resolution conjugate SuperDARN radar observations of the dayside convection response to changes in IMF B<sub<y</sub<

We present data from conjugate SuperDARN radars describing the high-latitude ionosphere's response to changes in the direction of IMF <i<B<sub<y</sub<</i< during a period of steady IMF <i<B<sub<z</sub<</i< southward and <i<B<sub<x</...
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Autor*in:	G. Chisham [verfasserIn] M. Pinnock [verfasserIn] A. S. Rodger [verfasserIn] J.-P. Villain [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2000

Übergeordnetes Werk:	In: Annales Geophysicae - Copernicus Publications, 2002, 18(2000), Seite 191-201
Übergeordnetes Werk:	volume:18 ; year:2000 ; pages:191-201

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc Journal toc

DOI / URN:	10.1007/s00585-000-0191-y

Katalog-ID:	DOAJ037518844

Internformat


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245	1	0	\|a High-time resolution conjugate SuperDARN radar observations of the dayside convection response to changes in IMF B<sub<y</sub<
264		1	\|c 2000
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520			\|a We present data from conjugate SuperDARN radars describing the high-latitude ionosphere's response to changes in the direction of IMF <i<B<sub<y</sub<</i< during a period of steady IMF <i<B<sub<z</sub<</i< southward and <i<B<sub<x</sub<</i< positive. During this interval, the radars were operating in a special mode which gave high-time resolution data (30 s sampling period) on three adjacent beams with a full scan every 3 min. The location of the radars around magnetic local noon at the time of the event allowed detailed observations of the variations in the ionospheric convection patterns close to the cusp region as IMF <i<B<sub<y</sub<</i< varied. A significant time delay was observed in the ionospheric response to the IMF <i<B<sub<y</sub<</i< changes between the two hemispheres. This is explained as being partially a consequence of the location of the dominant merging region on the magnetopause, which is ~8-12<i<R<sub<E</sub<</i< closer to the northern ionosphere than to the southern ionosphere (along the magnetic field line) due to the dipole tilt of the magnetosphere and the orientation of the IMF. This interpretation supports the anti-parallel merging hypothesis and highlights the importance of the IMF <i<B<sub<x</sub<</i< component in solar wind-magnetosphere coupling.<br<<br<<b<Key words:</b< Ionosphere (plasma convection) - Magnetospheric physics (magnetopause, cusp, and boundary layers; solar wind - magnetosphere interactions)
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700	0		\|a G. Chisham \|e verfasserin \|4 aut
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700	0		\|a M. Pinnock \|e verfasserin \|4 aut
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matchkey_str	article:14320576:2000----::ihieeouinojgtspranaaosrainoteasdcnetors
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allfields	10.1007/s00585-000-0191-y doi (DE-627)DOAJ037518844 (DE-599)DOAJ06abce96aab94e0387e3b51e671f6328 DE-627 ger DE-627 rakwb eng QC1-999 QC801-809 G. Chisham verfasserin aut High-time resolution conjugate SuperDARN radar observations of the dayside convection response to changes in IMF B<sub<y</sub< 2000 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier We present data from conjugate SuperDARN radars describing the high-latitude ionosphere's response to changes in the direction of IMF <i<B<sub<y</sub<</i< during a period of steady IMF <i<B<sub<z</sub<</i< southward and <i<B<sub<x</sub<</i< positive. During this interval, the radars were operating in a special mode which gave high-time resolution data (30 s sampling period) on three adjacent beams with a full scan every 3 min. The location of the radars around magnetic local noon at the time of the event allowed detailed observations of the variations in the ionospheric convection patterns close to the cusp region as IMF <i<B<sub<y</sub<</i< varied. A significant time delay was observed in the ionospheric response to the IMF <i<B<sub<y</sub<</i< changes between the two hemispheres. This is explained as being partially a consequence of the location of the dominant merging region on the magnetopause, which is ~8-12<i<R<sub<E</sub<</i< closer to the northern ionosphere than to the southern ionosphere (along the magnetic field line) due to the dipole tilt of the magnetosphere and the orientation of the IMF. This interpretation supports the anti-parallel merging hypothesis and highlights the importance of the IMF <i<B<sub<x</sub<</i< component in solar wind-magnetosphere coupling.<br<<br<<b<Key words:</b< Ionosphere (plasma convection) - Magnetospheric physics (magnetopause, cusp, and boundary layers; solar wind - magnetosphere interactions) Science Q Physics Geophysics. Cosmic physics G. Chisham verfasserin aut G. Chisham verfasserin aut M. Pinnock verfasserin aut M. Pinnock verfasserin aut M. Pinnock verfasserin aut A. S. Rodger verfasserin aut A. S. Rodger verfasserin aut A. S. Rodger verfasserin aut J.-P. Villain verfasserin aut J.-P. Villain verfasserin aut J.-P. Villain verfasserin aut In Annales Geophysicae Copernicus Publications, 2002 18(2000), Seite 191-201 (DE-627)25338981X (DE-600)1458425-6 14320576 nnns volume:18 year:2000 pages:191-201 https://doi.org/10.1007/s00585-000-0191-y kostenfrei https://doaj.org/article/06abce96aab94e0387e3b51e671f6328 kostenfrei https://www.ann-geophys.net/18/191/2000/angeo-18-191-2000.pdf kostenfrei https://doaj.org/toc/0992-7689 Journal toc kostenfrei https://doaj.org/toc/1432-0576 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_267 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2014 GBV_ILN_2048 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 18 2000 191-201
spelling	10.1007/s00585-000-0191-y doi (DE-627)DOAJ037518844 (DE-599)DOAJ06abce96aab94e0387e3b51e671f6328 DE-627 ger DE-627 rakwb eng QC1-999 QC801-809 G. Chisham verfasserin aut High-time resolution conjugate SuperDARN radar observations of the dayside convection response to changes in IMF B<sub<y</sub< 2000 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier We present data from conjugate SuperDARN radars describing the high-latitude ionosphere's response to changes in the direction of IMF <i<B<sub<y</sub<</i< during a period of steady IMF <i<B<sub<z</sub<</i< southward and <i<B<sub<x</sub<</i< positive. During this interval, the radars were operating in a special mode which gave high-time resolution data (30 s sampling period) on three adjacent beams with a full scan every 3 min. The location of the radars around magnetic local noon at the time of the event allowed detailed observations of the variations in the ionospheric convection patterns close to the cusp region as IMF <i<B<sub<y</sub<</i< varied. A significant time delay was observed in the ionospheric response to the IMF <i<B<sub<y</sub<</i< changes between the two hemispheres. This is explained as being partially a consequence of the location of the dominant merging region on the magnetopause, which is ~8-12<i<R<sub<E</sub<</i< closer to the northern ionosphere than to the southern ionosphere (along the magnetic field line) due to the dipole tilt of the magnetosphere and the orientation of the IMF. This interpretation supports the anti-parallel merging hypothesis and highlights the importance of the IMF <i<B<sub<x</sub<</i< component in solar wind-magnetosphere coupling.<br<<br<<b<Key words:</b< Ionosphere (plasma convection) - Magnetospheric physics (magnetopause, cusp, and boundary layers; solar wind - magnetosphere interactions) Science Q Physics Geophysics. Cosmic physics G. Chisham verfasserin aut G. Chisham verfasserin aut M. Pinnock verfasserin aut M. Pinnock verfasserin aut M. Pinnock verfasserin aut A. S. Rodger verfasserin aut A. S. Rodger verfasserin aut A. S. Rodger verfasserin aut J.-P. Villain verfasserin aut J.-P. Villain verfasserin aut J.-P. Villain verfasserin aut In Annales Geophysicae Copernicus Publications, 2002 18(2000), Seite 191-201 (DE-627)25338981X (DE-600)1458425-6 14320576 nnns volume:18 year:2000 pages:191-201 https://doi.org/10.1007/s00585-000-0191-y kostenfrei https://doaj.org/article/06abce96aab94e0387e3b51e671f6328 kostenfrei https://www.ann-geophys.net/18/191/2000/angeo-18-191-2000.pdf kostenfrei https://doaj.org/toc/0992-7689 Journal toc kostenfrei https://doaj.org/toc/1432-0576 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_267 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2014 GBV_ILN_2048 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 18 2000 191-201
allfields_unstemmed	10.1007/s00585-000-0191-y doi (DE-627)DOAJ037518844 (DE-599)DOAJ06abce96aab94e0387e3b51e671f6328 DE-627 ger DE-627 rakwb eng QC1-999 QC801-809 G. Chisham verfasserin aut High-time resolution conjugate SuperDARN radar observations of the dayside convection response to changes in IMF B<sub<y</sub< 2000 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier We present data from conjugate SuperDARN radars describing the high-latitude ionosphere's response to changes in the direction of IMF <i<B<sub<y</sub<</i< during a period of steady IMF <i<B<sub<z</sub<</i< southward and <i<B<sub<x</sub<</i< positive. During this interval, the radars were operating in a special mode which gave high-time resolution data (30 s sampling period) on three adjacent beams with a full scan every 3 min. The location of the radars around magnetic local noon at the time of the event allowed detailed observations of the variations in the ionospheric convection patterns close to the cusp region as IMF <i<B<sub<y</sub<</i< varied. A significant time delay was observed in the ionospheric response to the IMF <i<B<sub<y</sub<</i< changes between the two hemispheres. This is explained as being partially a consequence of the location of the dominant merging region on the magnetopause, which is ~8-12<i<R<sub<E</sub<</i< closer to the northern ionosphere than to the southern ionosphere (along the magnetic field line) due to the dipole tilt of the magnetosphere and the orientation of the IMF. This interpretation supports the anti-parallel merging hypothesis and highlights the importance of the IMF <i<B<sub<x</sub<</i< component in solar wind-magnetosphere coupling.<br<<br<<b<Key words:</b< Ionosphere (plasma convection) - Magnetospheric physics (magnetopause, cusp, and boundary layers; solar wind - magnetosphere interactions) Science Q Physics Geophysics. Cosmic physics G. Chisham verfasserin aut G. Chisham verfasserin aut M. Pinnock verfasserin aut M. Pinnock verfasserin aut M. Pinnock verfasserin aut A. S. Rodger verfasserin aut A. S. Rodger verfasserin aut A. S. Rodger verfasserin aut J.-P. Villain verfasserin aut J.-P. Villain verfasserin aut J.-P. Villain verfasserin aut In Annales Geophysicae Copernicus Publications, 2002 18(2000), Seite 191-201 (DE-627)25338981X (DE-600)1458425-6 14320576 nnns volume:18 year:2000 pages:191-201 https://doi.org/10.1007/s00585-000-0191-y kostenfrei https://doaj.org/article/06abce96aab94e0387e3b51e671f6328 kostenfrei https://www.ann-geophys.net/18/191/2000/angeo-18-191-2000.pdf kostenfrei https://doaj.org/toc/0992-7689 Journal toc kostenfrei https://doaj.org/toc/1432-0576 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_267 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2014 GBV_ILN_2048 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 18 2000 191-201
allfieldsGer	10.1007/s00585-000-0191-y doi (DE-627)DOAJ037518844 (DE-599)DOAJ06abce96aab94e0387e3b51e671f6328 DE-627 ger DE-627 rakwb eng QC1-999 QC801-809 G. Chisham verfasserin aut High-time resolution conjugate SuperDARN radar observations of the dayside convection response to changes in IMF B<sub<y</sub< 2000 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier We present data from conjugate SuperDARN radars describing the high-latitude ionosphere's response to changes in the direction of IMF <i<B<sub<y</sub<</i< during a period of steady IMF <i<B<sub<z</sub<</i< southward and <i<B<sub<x</sub<</i< positive. During this interval, the radars were operating in a special mode which gave high-time resolution data (30 s sampling period) on three adjacent beams with a full scan every 3 min. The location of the radars around magnetic local noon at the time of the event allowed detailed observations of the variations in the ionospheric convection patterns close to the cusp region as IMF <i<B<sub<y</sub<</i< varied. A significant time delay was observed in the ionospheric response to the IMF <i<B<sub<y</sub<</i< changes between the two hemispheres. This is explained as being partially a consequence of the location of the dominant merging region on the magnetopause, which is ~8-12<i<R<sub<E</sub<</i< closer to the northern ionosphere than to the southern ionosphere (along the magnetic field line) due to the dipole tilt of the magnetosphere and the orientation of the IMF. This interpretation supports the anti-parallel merging hypothesis and highlights the importance of the IMF <i<B<sub<x</sub<</i< component in solar wind-magnetosphere coupling.<br<<br<<b<Key words:</b< Ionosphere (plasma convection) - Magnetospheric physics (magnetopause, cusp, and boundary layers; solar wind - magnetosphere interactions) Science Q Physics Geophysics. Cosmic physics G. Chisham verfasserin aut G. Chisham verfasserin aut M. Pinnock verfasserin aut M. Pinnock verfasserin aut M. Pinnock verfasserin aut A. S. Rodger verfasserin aut A. S. Rodger verfasserin aut A. S. Rodger verfasserin aut J.-P. Villain verfasserin aut J.-P. Villain verfasserin aut J.-P. Villain verfasserin aut In Annales Geophysicae Copernicus Publications, 2002 18(2000), Seite 191-201 (DE-627)25338981X (DE-600)1458425-6 14320576 nnns volume:18 year:2000 pages:191-201 https://doi.org/10.1007/s00585-000-0191-y kostenfrei https://doaj.org/article/06abce96aab94e0387e3b51e671f6328 kostenfrei https://www.ann-geophys.net/18/191/2000/angeo-18-191-2000.pdf kostenfrei https://doaj.org/toc/0992-7689 Journal toc kostenfrei https://doaj.org/toc/1432-0576 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_267 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2014 GBV_ILN_2048 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 18 2000 191-201
allfieldsSound	10.1007/s00585-000-0191-y doi (DE-627)DOAJ037518844 (DE-599)DOAJ06abce96aab94e0387e3b51e671f6328 DE-627 ger DE-627 rakwb eng QC1-999 QC801-809 G. Chisham verfasserin aut High-time resolution conjugate SuperDARN radar observations of the dayside convection response to changes in IMF B<sub<y</sub< 2000 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier We present data from conjugate SuperDARN radars describing the high-latitude ionosphere's response to changes in the direction of IMF <i<B<sub<y</sub<</i< during a period of steady IMF <i<B<sub<z</sub<</i< southward and <i<B<sub<x</sub<</i< positive. During this interval, the radars were operating in a special mode which gave high-time resolution data (30 s sampling period) on three adjacent beams with a full scan every 3 min. The location of the radars around magnetic local noon at the time of the event allowed detailed observations of the variations in the ionospheric convection patterns close to the cusp region as IMF <i<B<sub<y</sub<</i< varied. A significant time delay was observed in the ionospheric response to the IMF <i<B<sub<y</sub<</i< changes between the two hemispheres. This is explained as being partially a consequence of the location of the dominant merging region on the magnetopause, which is ~8-12<i<R<sub<E</sub<</i< closer to the northern ionosphere than to the southern ionosphere (along the magnetic field line) due to the dipole tilt of the magnetosphere and the orientation of the IMF. This interpretation supports the anti-parallel merging hypothesis and highlights the importance of the IMF <i<B<sub<x</sub<</i< component in solar wind-magnetosphere coupling.<br<<br<<b<Key words:</b< Ionosphere (plasma convection) - Magnetospheric physics (magnetopause, cusp, and boundary layers; solar wind - magnetosphere interactions) Science Q Physics Geophysics. Cosmic physics G. Chisham verfasserin aut G. Chisham verfasserin aut M. Pinnock verfasserin aut M. Pinnock verfasserin aut M. Pinnock verfasserin aut A. S. Rodger verfasserin aut A. S. Rodger verfasserin aut A. S. Rodger verfasserin aut J.-P. Villain verfasserin aut J.-P. Villain verfasserin aut J.-P. Villain verfasserin aut In Annales Geophysicae Copernicus Publications, 2002 18(2000), Seite 191-201 (DE-627)25338981X (DE-600)1458425-6 14320576 nnns volume:18 year:2000 pages:191-201 https://doi.org/10.1007/s00585-000-0191-y kostenfrei https://doaj.org/article/06abce96aab94e0387e3b51e671f6328 kostenfrei https://www.ann-geophys.net/18/191/2000/angeo-18-191-2000.pdf kostenfrei https://doaj.org/toc/0992-7689 Journal toc kostenfrei https://doaj.org/toc/1432-0576 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_267 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2005 GBV_ILN_2014 GBV_ILN_2048 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 18 2000 191-201
language	English
source	In Annales Geophysicae 18(2000), Seite 191-201 volume:18 year:2000 pages:191-201
sourceStr	In Annales Geophysicae 18(2000), Seite 191-201 volume:18 year:2000 pages:191-201
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Science Q Physics Geophysics. Cosmic physics
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container_title	Annales Geophysicae
authorswithroles_txt_mv	G. Chisham @@aut@@ M. Pinnock @@aut@@ A. S. Rodger @@aut@@ J.-P. Villain @@aut@@
publishDateDaySort_date	2000-01-01T00:00:00Z
hierarchy_top_id	25338981X
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language_de	englisch
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callnumber-first	Q - Science
author	G. Chisham
spellingShingle	G. Chisham misc QC1-999 misc QC801-809 misc Science misc Q misc Physics misc Geophysics. Cosmic physics High-time resolution conjugate SuperDARN radar observations of the dayside convection response to changes in IMF B<sub<y</sub<
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topic_title	QC1-999 QC801-809 High-time resolution conjugate SuperDARN radar observations of the dayside convection response to changes in IMF B<sub<y</sub<
topic	misc QC1-999 misc QC801-809 misc Science misc Q misc Physics misc Geophysics. Cosmic physics
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title	High-time resolution conjugate SuperDARN radar observations of the dayside convection response to changes in IMF B<sub<y</sub<
ctrlnum	(DE-627)DOAJ037518844 (DE-599)DOAJ06abce96aab94e0387e3b51e671f6328
title_full	High-time resolution conjugate SuperDARN radar observations of the dayside convection response to changes in IMF B<sub<y</sub<
author_sort	G. Chisham
journal	Annales Geophysicae
journalStr	Annales Geophysicae
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author_browse	G. Chisham M. Pinnock A. S. Rodger J.-P. Villain
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author-letter	G. Chisham
doi_str_mv	10.1007/s00585-000-0191-y
author2-role	verfasserin
title_sort	high-time resolution conjugate superdarn radar observations of the dayside convection response to changes in imf b<sub<y</sub<
callnumber	QC1-999
title_auth	High-time resolution conjugate SuperDARN radar observations of the dayside convection response to changes in IMF B<sub<y</sub<
abstract	We present data from conjugate SuperDARN radars describing the high-latitude ionosphere's response to changes in the direction of IMF <i<B<sub<y</sub<</i< during a period of steady IMF <i<B<sub<z</sub<</i< southward and <i<B<sub<x</sub<</i< positive. During this interval, the radars were operating in a special mode which gave high-time resolution data (30 s sampling period) on three adjacent beams with a full scan every 3 min. The location of the radars around magnetic local noon at the time of the event allowed detailed observations of the variations in the ionospheric convection patterns close to the cusp region as IMF <i<B<sub<y</sub<</i< varied. A significant time delay was observed in the ionospheric response to the IMF <i<B<sub<y</sub<</i< changes between the two hemispheres. This is explained as being partially a consequence of the location of the dominant merging region on the magnetopause, which is ~8-12<i<R<sub<E</sub<</i< closer to the northern ionosphere than to the southern ionosphere (along the magnetic field line) due to the dipole tilt of the magnetosphere and the orientation of the IMF. This interpretation supports the anti-parallel merging hypothesis and highlights the importance of the IMF <i<B<sub<x</sub<</i< component in solar wind-magnetosphere coupling.<br<<br<<b<Key words:</b< Ionosphere (plasma convection) - Magnetospheric physics (magnetopause, cusp, and boundary layers; solar wind - magnetosphere interactions)
abstractGer	We present data from conjugate SuperDARN radars describing the high-latitude ionosphere's response to changes in the direction of IMF <i<B<sub<y</sub<</i< during a period of steady IMF <i<B<sub<z</sub<</i< southward and <i<B<sub<x</sub<</i< positive. During this interval, the radars were operating in a special mode which gave high-time resolution data (30 s sampling period) on three adjacent beams with a full scan every 3 min. The location of the radars around magnetic local noon at the time of the event allowed detailed observations of the variations in the ionospheric convection patterns close to the cusp region as IMF <i<B<sub<y</sub<</i< varied. A significant time delay was observed in the ionospheric response to the IMF <i<B<sub<y</sub<</i< changes between the two hemispheres. This is explained as being partially a consequence of the location of the dominant merging region on the magnetopause, which is ~8-12<i<R<sub<E</sub<</i< closer to the northern ionosphere than to the southern ionosphere (along the magnetic field line) due to the dipole tilt of the magnetosphere and the orientation of the IMF. This interpretation supports the anti-parallel merging hypothesis and highlights the importance of the IMF <i<B<sub<x</sub<</i< component in solar wind-magnetosphere coupling.<br<<br<<b<Key words:</b< Ionosphere (plasma convection) - Magnetospheric physics (magnetopause, cusp, and boundary layers; solar wind - magnetosphere interactions)
abstract_unstemmed	We present data from conjugate SuperDARN radars describing the high-latitude ionosphere's response to changes in the direction of IMF <i<B<sub<y</sub<</i< during a period of steady IMF <i<B<sub<z</sub<</i< southward and <i<B<sub<x</sub<</i< positive. During this interval, the radars were operating in a special mode which gave high-time resolution data (30 s sampling period) on three adjacent beams with a full scan every 3 min. The location of the radars around magnetic local noon at the time of the event allowed detailed observations of the variations in the ionospheric convection patterns close to the cusp region as IMF <i<B<sub<y</sub<</i< varied. A significant time delay was observed in the ionospheric response to the IMF <i<B<sub<y</sub<</i< changes between the two hemispheres. This is explained as being partially a consequence of the location of the dominant merging region on the magnetopause, which is ~8-12<i<R<sub<E</sub<</i< closer to the northern ionosphere than to the southern ionosphere (along the magnetic field line) due to the dipole tilt of the magnetosphere and the orientation of the IMF. This interpretation supports the anti-parallel merging hypothesis and highlights the importance of the IMF <i<B<sub<x</sub<</i< component in solar wind-magnetosphere coupling.<br<<br<<b<Key words:</b< Ionosphere (plasma convection) - Magnetospheric physics (magnetopause, cusp, and boundary layers; solar wind - magnetosphere interactions)
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title_short	High-time resolution conjugate SuperDARN radar observations of the dayside convection response to changes in IMF B<sub<y</sub<
url	https://doi.org/10.1007/s00585-000-0191-y https://doaj.org/article/06abce96aab94e0387e3b51e671f6328 https://www.ann-geophys.net/18/191/2000/angeo-18-191-2000.pdf https://doaj.org/toc/0992-7689 https://doaj.org/toc/1432-0576
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author2	G. Chisham M. Pinnock A. S. Rodger J.-P. Villain
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up_date	2024-07-04T01:31:13.202Z
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High-time resolution conjugate SuperDARN radar observations of the dayside convection response to changes in IMF B<sub<y</sub<

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