Auroral Data Analysis.
Data from soft particle spectrometers on the ISIS-1 and -2 satellites, and a sounding rocket have been analyzed and compared with other observations to reveal their relation to auroral, magnetospheric, and ionospheric effects. Comparison of concurrent ground and interplanetary magnetic field data wi...
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ftdtic:ADA020300 2023-05-15T16:30:07+02:00 Auroral Data Analysis. Winningham,J. David Heikkila,Walter J. TEXAS UNIV AT DALLAS RICHARDSON 1975-09-30 text/html http://www.dtic.mil/docs/citations/ADA020300 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA020300 en eng http://www.dtic.mil/docs/citations/ADA020300 APPROVED FOR PUBLIC RELEASE DTIC AND NTIS Atmospheric Physics *IONOSPHERE *AURORAE *MAGNETOSPHERE COUPLING(INTERACTION) ANOMALIES MAGNETIC FIELDS INTERPLANETARY SPACE ELECTRON DENSITY CONVECTION ELECTRIC FIELDS ELECTRON ENERGY PRECIPITATION IONOSONDES POLAR CAP ELECTRON FLUX DIURNAL VARIATIONS SOUNDING ROCKETS MAGNETIC STORMS IONOGRAMS GREENLAND IONOSPHERIC DISTURBANCES PARTICLE FLUX *Magnetospheric cleft Magnetic substorms Isis satellites Text 1975 ftdtic 2016-02-20T10:29:04Z Data from soft particle spectrometers on the ISIS-1 and -2 satellites, and a sounding rocket have been analyzed and compared with other observations to reveal their relation to auroral, magnetospheric, and ionospheric effects. Comparison of concurrent ground and interplanetary magnetic field data with ISIS-1 cleft data revealed the cleft position to be sensitive to changes in both AE and B sub z. Concurrent plasma, particle, and field data from a sounding rocket launched into the cleft demonstrated the cleft to be a region of complex physical interactions. Electron temperature and density enhancements were observed in the cleft as well as changes in the convection pattern. This flight also demonstrated that a bottomside ionosonde is a useful tool to determine the cleft's equatorward boundary, even in full sunlight. All-sky-camera data shows that a distinct fade occurs in auroral arcs prior to the brightening characteristics of the initiation of a substorm. Detailed comparison of aircraft and satellite data taken during a period of magnetic quiescence revealed that the region of auroral particle precipitation coincides with the region of diffuse aurora. Electron density and scale height increased within the auroral precipitation band as did fluctuations in density. An empirical relation was derived that relates electron energy flux to 6300 A fluxes. It was also shown that significant non-particle induced 6300 A fluxes exist in and poleward of the cleft. Continuation of Contract F19628-72-C-0230. See also Rept. no. AFCRL-TR-74-0379, AD-A002 317. Text Greenland Defense Technical Information Center: DTIC Technical Reports database Greenland |
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Open Polar |
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Defense Technical Information Center: DTIC Technical Reports database |
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ftdtic |
language |
English |
topic |
Atmospheric Physics *IONOSPHERE *AURORAE *MAGNETOSPHERE COUPLING(INTERACTION) ANOMALIES MAGNETIC FIELDS INTERPLANETARY SPACE ELECTRON DENSITY CONVECTION ELECTRIC FIELDS ELECTRON ENERGY PRECIPITATION IONOSONDES POLAR CAP ELECTRON FLUX DIURNAL VARIATIONS SOUNDING ROCKETS MAGNETIC STORMS IONOGRAMS GREENLAND IONOSPHERIC DISTURBANCES PARTICLE FLUX *Magnetospheric cleft Magnetic substorms Isis satellites |
spellingShingle |
Atmospheric Physics *IONOSPHERE *AURORAE *MAGNETOSPHERE COUPLING(INTERACTION) ANOMALIES MAGNETIC FIELDS INTERPLANETARY SPACE ELECTRON DENSITY CONVECTION ELECTRIC FIELDS ELECTRON ENERGY PRECIPITATION IONOSONDES POLAR CAP ELECTRON FLUX DIURNAL VARIATIONS SOUNDING ROCKETS MAGNETIC STORMS IONOGRAMS GREENLAND IONOSPHERIC DISTURBANCES PARTICLE FLUX *Magnetospheric cleft Magnetic substorms Isis satellites Winningham,J. David Heikkila,Walter J. Auroral Data Analysis. |
topic_facet |
Atmospheric Physics *IONOSPHERE *AURORAE *MAGNETOSPHERE COUPLING(INTERACTION) ANOMALIES MAGNETIC FIELDS INTERPLANETARY SPACE ELECTRON DENSITY CONVECTION ELECTRIC FIELDS ELECTRON ENERGY PRECIPITATION IONOSONDES POLAR CAP ELECTRON FLUX DIURNAL VARIATIONS SOUNDING ROCKETS MAGNETIC STORMS IONOGRAMS GREENLAND IONOSPHERIC DISTURBANCES PARTICLE FLUX *Magnetospheric cleft Magnetic substorms Isis satellites |
description |
Data from soft particle spectrometers on the ISIS-1 and -2 satellites, and a sounding rocket have been analyzed and compared with other observations to reveal their relation to auroral, magnetospheric, and ionospheric effects. Comparison of concurrent ground and interplanetary magnetic field data with ISIS-1 cleft data revealed the cleft position to be sensitive to changes in both AE and B sub z. Concurrent plasma, particle, and field data from a sounding rocket launched into the cleft demonstrated the cleft to be a region of complex physical interactions. Electron temperature and density enhancements were observed in the cleft as well as changes in the convection pattern. This flight also demonstrated that a bottomside ionosonde is a useful tool to determine the cleft's equatorward boundary, even in full sunlight. All-sky-camera data shows that a distinct fade occurs in auroral arcs prior to the brightening characteristics of the initiation of a substorm. Detailed comparison of aircraft and satellite data taken during a period of magnetic quiescence revealed that the region of auroral particle precipitation coincides with the region of diffuse aurora. Electron density and scale height increased within the auroral precipitation band as did fluctuations in density. An empirical relation was derived that relates electron energy flux to 6300 A fluxes. It was also shown that significant non-particle induced 6300 A fluxes exist in and poleward of the cleft. Continuation of Contract F19628-72-C-0230. See also Rept. no. AFCRL-TR-74-0379, AD-A002 317. |
author2 |
TEXAS UNIV AT DALLAS RICHARDSON |
format |
Text |
author |
Winningham,J. David Heikkila,Walter J. |
author_facet |
Winningham,J. David Heikkila,Walter J. |
author_sort |
Winningham,J. David |
title |
Auroral Data Analysis. |
title_short |
Auroral Data Analysis. |
title_full |
Auroral Data Analysis. |
title_fullStr |
Auroral Data Analysis. |
title_full_unstemmed |
Auroral Data Analysis. |
title_sort |
auroral data analysis. |
publishDate |
1975 |
url |
http://www.dtic.mil/docs/citations/ADA020300 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA020300 |
geographic |
Greenland |
geographic_facet |
Greenland |
genre |
Greenland |
genre_facet |
Greenland |
op_source |
DTIC AND NTIS |
op_relation |
http://www.dtic.mil/docs/citations/ADA020300 |
op_rights |
APPROVED FOR PUBLIC RELEASE |
_version_ |
1766019823614033920 |