Observations of high-velocity SAPS-like flows with the King Salmon SuperDARN radar

In this study, a focused investigation of the potential for the King Salmon (KS) SuperDARN HF radar to monitor high-velocity flows near the equatorial edge of the auroral oval is undertaken. Events are presented with line-of-sight velocities as high as 2km/s, observed roughly along the L-shell. Stat...
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Autor*in:	A. V. Koustov [verfasserIn] R. A. Drayton [verfasserIn] R. A. Makarevich [verfasserIn] K. A. McWilliams [verfasserIn] J.-P. St-Maurice [verfasserIn] T. Kikuchi [verfasserIn] H. U. Frey [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2006

Übergeordnetes Werk:	In: Annales Geophysicae - Copernicus Publications, 2002, 24(2006), Seite 1591-1608
Übergeordnetes Werk:	volume:24 ; year:2006 ; pages:1591-1608

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

DOI / URN:	10.5194/angeo-24-1591-2006

Katalog-ID:	DOAJ004362942

Internformat


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520			\|a In this study, a focused investigation of the potential for the King Salmon (KS) SuperDARN HF radar to monitor high-velocity flows near the equatorial edge of the auroral oval is undertaken. Events are presented with line-of-sight velocities as high as 2km/s, observed roughly along the L-shell. Statistically, the enhanced flows are shown to be typical for the dusk sector (16:00–23:00 MLT), and the average velocity in this sector is larger (smaller) for winter (summer) conditions. It is also demonstrated that the high-velocity flows can be very dynamical with more localized enhancements existing for just several minutes. These short-lived enhancements occur when the luminosity at the equatorial edge of the auroral oval suddenly decreases during the substorm recovery phase. The short-lived velocity enhancements can be established because of proton and ion injections into the inner magnetosphere and low conductance of the ionosphere and not because of enhanced tail reconnection. This implies that some KS velocity enhancements have the same origin as subauroral polarization streams (SAPS).
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912			\|a GBV_ILN_381
912			\|a GBV_ILN_602
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912			\|a GBV_ILN_4012
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allfields	10.5194/angeo-24-1591-2006 doi (DE-627)DOAJ004362942 (DE-599)DOAJ2364ad12279048eaa48eb59eee6fafb8 DE-627 ger DE-627 rakwb eng QC1-999 QC801-809 A. V. Koustov verfasserin aut Observations of high-velocity SAPS-like flows with the King Salmon SuperDARN radar 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this study, a focused investigation of the potential for the King Salmon (KS) SuperDARN HF radar to monitor high-velocity flows near the equatorial edge of the auroral oval is undertaken. Events are presented with line-of-sight velocities as high as 2km/s, observed roughly along the L-shell. Statistically, the enhanced flows are shown to be typical for the dusk sector (16:00–23:00 MLT), and the average velocity in this sector is larger (smaller) for winter (summer) conditions. It is also demonstrated that the high-velocity flows can be very dynamical with more localized enhancements existing for just several minutes. These short-lived enhancements occur when the luminosity at the equatorial edge of the auroral oval suddenly decreases during the substorm recovery phase. The short-lived velocity enhancements can be established because of proton and ion injections into the inner magnetosphere and low conductance of the ionosphere and not because of enhanced tail reconnection. This implies that some KS velocity enhancements have the same origin as subauroral polarization streams (SAPS). Science Q Physics Geophysics. Cosmic physics R. A. Drayton verfasserin aut R. A. Makarevich verfasserin aut K. A. McWilliams verfasserin aut J.-P. St-Maurice verfasserin aut T. Kikuchi verfasserin aut H. U. Frey verfasserin aut In Annales Geophysicae Copernicus Publications, 2002 24(2006), Seite 1591-1608 (DE-627)25338981X (DE-600)1458425-6 14320576 nnns volume:24 year:2006 pages:1591-1608 https://doi.org/10.5194/angeo-24-1591-2006 kostenfrei https://doaj.org/article/2364ad12279048eaa48eb59eee6fafb8 kostenfrei https://www.ann-geophys.net/24/1591/2006/angeo-24-1591-2006.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 SSG-OLC-PHA 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_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 24 2006 1591-1608
spelling	10.5194/angeo-24-1591-2006 doi (DE-627)DOAJ004362942 (DE-599)DOAJ2364ad12279048eaa48eb59eee6fafb8 DE-627 ger DE-627 rakwb eng QC1-999 QC801-809 A. V. Koustov verfasserin aut Observations of high-velocity SAPS-like flows with the King Salmon SuperDARN radar 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this study, a focused investigation of the potential for the King Salmon (KS) SuperDARN HF radar to monitor high-velocity flows near the equatorial edge of the auroral oval is undertaken. Events are presented with line-of-sight velocities as high as 2km/s, observed roughly along the L-shell. Statistically, the enhanced flows are shown to be typical for the dusk sector (16:00–23:00 MLT), and the average velocity in this sector is larger (smaller) for winter (summer) conditions. It is also demonstrated that the high-velocity flows can be very dynamical with more localized enhancements existing for just several minutes. These short-lived enhancements occur when the luminosity at the equatorial edge of the auroral oval suddenly decreases during the substorm recovery phase. The short-lived velocity enhancements can be established because of proton and ion injections into the inner magnetosphere and low conductance of the ionosphere and not because of enhanced tail reconnection. This implies that some KS velocity enhancements have the same origin as subauroral polarization streams (SAPS). Science Q Physics Geophysics. Cosmic physics R. A. Drayton verfasserin aut R. A. Makarevich verfasserin aut K. A. McWilliams verfasserin aut J.-P. St-Maurice verfasserin aut T. Kikuchi verfasserin aut H. U. Frey verfasserin aut In Annales Geophysicae Copernicus Publications, 2002 24(2006), Seite 1591-1608 (DE-627)25338981X (DE-600)1458425-6 14320576 nnns volume:24 year:2006 pages:1591-1608 https://doi.org/10.5194/angeo-24-1591-2006 kostenfrei https://doaj.org/article/2364ad12279048eaa48eb59eee6fafb8 kostenfrei https://www.ann-geophys.net/24/1591/2006/angeo-24-1591-2006.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 SSG-OLC-PHA 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_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 24 2006 1591-1608
allfields_unstemmed	10.5194/angeo-24-1591-2006 doi (DE-627)DOAJ004362942 (DE-599)DOAJ2364ad12279048eaa48eb59eee6fafb8 DE-627 ger DE-627 rakwb eng QC1-999 QC801-809 A. V. Koustov verfasserin aut Observations of high-velocity SAPS-like flows with the King Salmon SuperDARN radar 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this study, a focused investigation of the potential for the King Salmon (KS) SuperDARN HF radar to monitor high-velocity flows near the equatorial edge of the auroral oval is undertaken. Events are presented with line-of-sight velocities as high as 2km/s, observed roughly along the L-shell. Statistically, the enhanced flows are shown to be typical for the dusk sector (16:00–23:00 MLT), and the average velocity in this sector is larger (smaller) for winter (summer) conditions. It is also demonstrated that the high-velocity flows can be very dynamical with more localized enhancements existing for just several minutes. These short-lived enhancements occur when the luminosity at the equatorial edge of the auroral oval suddenly decreases during the substorm recovery phase. The short-lived velocity enhancements can be established because of proton and ion injections into the inner magnetosphere and low conductance of the ionosphere and not because of enhanced tail reconnection. This implies that some KS velocity enhancements have the same origin as subauroral polarization streams (SAPS). Science Q Physics Geophysics. Cosmic physics R. A. Drayton verfasserin aut R. A. Makarevich verfasserin aut K. A. McWilliams verfasserin aut J.-P. St-Maurice verfasserin aut T. Kikuchi verfasserin aut H. U. Frey verfasserin aut In Annales Geophysicae Copernicus Publications, 2002 24(2006), Seite 1591-1608 (DE-627)25338981X (DE-600)1458425-6 14320576 nnns volume:24 year:2006 pages:1591-1608 https://doi.org/10.5194/angeo-24-1591-2006 kostenfrei https://doaj.org/article/2364ad12279048eaa48eb59eee6fafb8 kostenfrei https://www.ann-geophys.net/24/1591/2006/angeo-24-1591-2006.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 SSG-OLC-PHA 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_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 24 2006 1591-1608
allfieldsGer	10.5194/angeo-24-1591-2006 doi (DE-627)DOAJ004362942 (DE-599)DOAJ2364ad12279048eaa48eb59eee6fafb8 DE-627 ger DE-627 rakwb eng QC1-999 QC801-809 A. V. Koustov verfasserin aut Observations of high-velocity SAPS-like flows with the King Salmon SuperDARN radar 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this study, a focused investigation of the potential for the King Salmon (KS) SuperDARN HF radar to monitor high-velocity flows near the equatorial edge of the auroral oval is undertaken. Events are presented with line-of-sight velocities as high as 2km/s, observed roughly along the L-shell. Statistically, the enhanced flows are shown to be typical for the dusk sector (16:00–23:00 MLT), and the average velocity in this sector is larger (smaller) for winter (summer) conditions. It is also demonstrated that the high-velocity flows can be very dynamical with more localized enhancements existing for just several minutes. These short-lived enhancements occur when the luminosity at the equatorial edge of the auroral oval suddenly decreases during the substorm recovery phase. The short-lived velocity enhancements can be established because of proton and ion injections into the inner magnetosphere and low conductance of the ionosphere and not because of enhanced tail reconnection. This implies that some KS velocity enhancements have the same origin as subauroral polarization streams (SAPS). Science Q Physics Geophysics. Cosmic physics R. A. Drayton verfasserin aut R. A. Makarevich verfasserin aut K. A. McWilliams verfasserin aut J.-P. St-Maurice verfasserin aut T. Kikuchi verfasserin aut H. U. Frey verfasserin aut In Annales Geophysicae Copernicus Publications, 2002 24(2006), Seite 1591-1608 (DE-627)25338981X (DE-600)1458425-6 14320576 nnns volume:24 year:2006 pages:1591-1608 https://doi.org/10.5194/angeo-24-1591-2006 kostenfrei https://doaj.org/article/2364ad12279048eaa48eb59eee6fafb8 kostenfrei https://www.ann-geophys.net/24/1591/2006/angeo-24-1591-2006.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 SSG-OLC-PHA 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_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 24 2006 1591-1608
allfieldsSound	10.5194/angeo-24-1591-2006 doi (DE-627)DOAJ004362942 (DE-599)DOAJ2364ad12279048eaa48eb59eee6fafb8 DE-627 ger DE-627 rakwb eng QC1-999 QC801-809 A. V. Koustov verfasserin aut Observations of high-velocity SAPS-like flows with the King Salmon SuperDARN radar 2006 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier In this study, a focused investigation of the potential for the King Salmon (KS) SuperDARN HF radar to monitor high-velocity flows near the equatorial edge of the auroral oval is undertaken. Events are presented with line-of-sight velocities as high as 2km/s, observed roughly along the L-shell. Statistically, the enhanced flows are shown to be typical for the dusk sector (16:00–23:00 MLT), and the average velocity in this sector is larger (smaller) for winter (summer) conditions. It is also demonstrated that the high-velocity flows can be very dynamical with more localized enhancements existing for just several minutes. These short-lived enhancements occur when the luminosity at the equatorial edge of the auroral oval suddenly decreases during the substorm recovery phase. The short-lived velocity enhancements can be established because of proton and ion injections into the inner magnetosphere and low conductance of the ionosphere and not because of enhanced tail reconnection. This implies that some KS velocity enhancements have the same origin as subauroral polarization streams (SAPS). Science Q Physics Geophysics. Cosmic physics R. A. Drayton verfasserin aut R. A. Makarevich verfasserin aut K. A. McWilliams verfasserin aut J.-P. St-Maurice verfasserin aut T. Kikuchi verfasserin aut H. U. Frey verfasserin aut In Annales Geophysicae Copernicus Publications, 2002 24(2006), Seite 1591-1608 (DE-627)25338981X (DE-600)1458425-6 14320576 nnns volume:24 year:2006 pages:1591-1608 https://doi.org/10.5194/angeo-24-1591-2006 kostenfrei https://doaj.org/article/2364ad12279048eaa48eb59eee6fafb8 kostenfrei https://www.ann-geophys.net/24/1591/2006/angeo-24-1591-2006.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 SSG-OLC-PHA 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_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 24 2006 1591-1608
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authorswithroles_txt_mv	A. V. Koustov @@aut@@ R. A. Drayton @@aut@@ R. A. Makarevich @@aut@@ K. A. McWilliams @@aut@@ J.-P. St-Maurice @@aut@@ T. Kikuchi @@aut@@ H. U. Frey @@aut@@
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callnumber-first	Q - Science
author	A. V. Koustov
spellingShingle	A. V. Koustov misc QC1-999 misc QC801-809 misc Science misc Q misc Physics misc Geophysics. Cosmic physics Observations of high-velocity SAPS-like flows with the King Salmon SuperDARN radar
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topic_title	QC1-999 QC801-809 Observations of high-velocity SAPS-like flows with the King Salmon SuperDARN radar
topic	misc QC1-999 misc QC801-809 misc Science misc Q misc Physics misc Geophysics. Cosmic physics
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title	Observations of high-velocity SAPS-like flows with the King Salmon SuperDARN radar
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title_full	Observations of high-velocity SAPS-like flows with the King Salmon SuperDARN radar
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author_browse	A. V. Koustov R. A. Drayton R. A. Makarevich K. A. McWilliams J.-P. St-Maurice T. Kikuchi H. U. Frey
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title_sort	observations of high-velocity saps-like flows with the king salmon superdarn radar
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title_auth	Observations of high-velocity SAPS-like flows with the King Salmon SuperDARN radar
abstract	In this study, a focused investigation of the potential for the King Salmon (KS) SuperDARN HF radar to monitor high-velocity flows near the equatorial edge of the auroral oval is undertaken. Events are presented with line-of-sight velocities as high as 2km/s, observed roughly along the L-shell. Statistically, the enhanced flows are shown to be typical for the dusk sector (16:00–23:00 MLT), and the average velocity in this sector is larger (smaller) for winter (summer) conditions. It is also demonstrated that the high-velocity flows can be very dynamical with more localized enhancements existing for just several minutes. These short-lived enhancements occur when the luminosity at the equatorial edge of the auroral oval suddenly decreases during the substorm recovery phase. The short-lived velocity enhancements can be established because of proton and ion injections into the inner magnetosphere and low conductance of the ionosphere and not because of enhanced tail reconnection. This implies that some KS velocity enhancements have the same origin as subauroral polarization streams (SAPS).
abstractGer	In this study, a focused investigation of the potential for the King Salmon (KS) SuperDARN HF radar to monitor high-velocity flows near the equatorial edge of the auroral oval is undertaken. Events are presented with line-of-sight velocities as high as 2km/s, observed roughly along the L-shell. Statistically, the enhanced flows are shown to be typical for the dusk sector (16:00–23:00 MLT), and the average velocity in this sector is larger (smaller) for winter (summer) conditions. It is also demonstrated that the high-velocity flows can be very dynamical with more localized enhancements existing for just several minutes. These short-lived enhancements occur when the luminosity at the equatorial edge of the auroral oval suddenly decreases during the substorm recovery phase. The short-lived velocity enhancements can be established because of proton and ion injections into the inner magnetosphere and low conductance of the ionosphere and not because of enhanced tail reconnection. This implies that some KS velocity enhancements have the same origin as subauroral polarization streams (SAPS).
abstract_unstemmed	In this study, a focused investigation of the potential for the King Salmon (KS) SuperDARN HF radar to monitor high-velocity flows near the equatorial edge of the auroral oval is undertaken. Events are presented with line-of-sight velocities as high as 2km/s, observed roughly along the L-shell. Statistically, the enhanced flows are shown to be typical for the dusk sector (16:00–23:00 MLT), and the average velocity in this sector is larger (smaller) for winter (summer) conditions. It is also demonstrated that the high-velocity flows can be very dynamical with more localized enhancements existing for just several minutes. These short-lived enhancements occur when the luminosity at the equatorial edge of the auroral oval suddenly decreases during the substorm recovery phase. The short-lived velocity enhancements can be established because of proton and ion injections into the inner magnetosphere and low conductance of the ionosphere and not because of enhanced tail reconnection. This implies that some KS velocity enhancements have the same origin as subauroral polarization streams (SAPS).
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title_short	Observations of high-velocity SAPS-like flows with the King Salmon SuperDARN radar
url	https://doi.org/10.5194/angeo-24-1591-2006 https://doaj.org/article/2364ad12279048eaa48eb59eee6fafb8 https://www.ann-geophys.net/24/1591/2006/angeo-24-1591-2006.pdf https://doaj.org/toc/0992-7689 https://doaj.org/toc/1432-0576
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up_date	2024-07-03T23:22:21.235Z
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Observations of high-velocity SAPS-like flows with the King Salmon SuperDARN radar

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