Structure and Dynamics of Polar Cap F-Layer Patches.
Coordinated measurements of F-region plasma patches were conducted on 3 and 4 February 1984 from Thule and Sondrestrom, Greenland. Optical, ionosonde, amplitude scintillation, Total Electron Content (TEC), and incoherent scatter radar measurements were combined to reveal several new aspects of the s...
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ftdtic:ADA175291 2023-05-15T16:27:53+02:00 Structure and Dynamics of Polar Cap F-Layer Patches. Weber,E J Klobuchar,J A Buchau,J Carlson,H C Livingston,R C AIR FORCE GEOPHYSICS LAB HANSCOM AFB MA 1986-03-31 text/html http://www.dtic.mil/docs/citations/ADA175291 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA175291 en eng http://www.dtic.mil/docs/citations/ADA175291 APPROVED FOR PUBLIC RELEASE DTIC AND NTIS Atmospheric Physics *F REGION *IONOSPHERIC SCINTILLATION POLAR REGIONS MEASUREMENT DYNAMICS EDGES PLASMAS(PHYSICS) ELECTRON DENSITY INTERNAL RADAR REFLECTIONS IONIZATION INCOHERENT SCATTERING IONOSONDES AMPLITUDE AIRGLOW TRAILING EDGES GREENLAND WUAFGL46430806 PE62101F Text 1986 ftdtic 2016-02-21T02:49:51Z Coordinated measurements of F-region plasma patches were conducted on 3 and 4 February 1984 from Thule and Sondrestrom, Greenland. Optical, ionosonde, amplitude scintillation, Total Electron Content (TEC), and incoherent scatter radar measurements were combined to reveal several new aspects of the structure and transport of these localized regions of enhanced F-region ionization. These patches were directly tracked for the first time flowing anti-sunward from the center of the polar cap to the poleward edge of of the auroral oval. Amplitude scintillation caused by irregularities within these structured patches showed a systematic increase on the trailing edge of the patches consistent with an E X B instability mechanism. Equally important, significant scintillation was also observed on the loading edge and throughout the patch, requiring another instability mechanism to produce irregularities throughout the interior of the patch. Keywords: F region; Polar cap plasma; Polar cap ionospheric irregularities. Original contains color plates: All DTIC/NTIS reproductions will be in black and white. Text Greenland Thule Defense Technical Information Center: DTIC Technical Reports database Greenland |
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Open Polar |
collection |
Defense Technical Information Center: DTIC Technical Reports database |
op_collection_id |
ftdtic |
language |
English |
topic |
Atmospheric Physics *F REGION *IONOSPHERIC SCINTILLATION POLAR REGIONS MEASUREMENT DYNAMICS EDGES PLASMAS(PHYSICS) ELECTRON DENSITY INTERNAL RADAR REFLECTIONS IONIZATION INCOHERENT SCATTERING IONOSONDES AMPLITUDE AIRGLOW TRAILING EDGES GREENLAND WUAFGL46430806 PE62101F |
spellingShingle |
Atmospheric Physics *F REGION *IONOSPHERIC SCINTILLATION POLAR REGIONS MEASUREMENT DYNAMICS EDGES PLASMAS(PHYSICS) ELECTRON DENSITY INTERNAL RADAR REFLECTIONS IONIZATION INCOHERENT SCATTERING IONOSONDES AMPLITUDE AIRGLOW TRAILING EDGES GREENLAND WUAFGL46430806 PE62101F Weber,E J Klobuchar,J A Buchau,J Carlson,H C Livingston,R C Structure and Dynamics of Polar Cap F-Layer Patches. |
topic_facet |
Atmospheric Physics *F REGION *IONOSPHERIC SCINTILLATION POLAR REGIONS MEASUREMENT DYNAMICS EDGES PLASMAS(PHYSICS) ELECTRON DENSITY INTERNAL RADAR REFLECTIONS IONIZATION INCOHERENT SCATTERING IONOSONDES AMPLITUDE AIRGLOW TRAILING EDGES GREENLAND WUAFGL46430806 PE62101F |
description |
Coordinated measurements of F-region plasma patches were conducted on 3 and 4 February 1984 from Thule and Sondrestrom, Greenland. Optical, ionosonde, amplitude scintillation, Total Electron Content (TEC), and incoherent scatter radar measurements were combined to reveal several new aspects of the structure and transport of these localized regions of enhanced F-region ionization. These patches were directly tracked for the first time flowing anti-sunward from the center of the polar cap to the poleward edge of of the auroral oval. Amplitude scintillation caused by irregularities within these structured patches showed a systematic increase on the trailing edge of the patches consistent with an E X B instability mechanism. Equally important, significant scintillation was also observed on the loading edge and throughout the patch, requiring another instability mechanism to produce irregularities throughout the interior of the patch. Keywords: F region; Polar cap plasma; Polar cap ionospheric irregularities. Original contains color plates: All DTIC/NTIS reproductions will be in black and white. |
author2 |
AIR FORCE GEOPHYSICS LAB HANSCOM AFB MA |
format |
Text |
author |
Weber,E J Klobuchar,J A Buchau,J Carlson,H C Livingston,R C |
author_facet |
Weber,E J Klobuchar,J A Buchau,J Carlson,H C Livingston,R C |
author_sort |
Weber,E J |
title |
Structure and Dynamics of Polar Cap F-Layer Patches. |
title_short |
Structure and Dynamics of Polar Cap F-Layer Patches. |
title_full |
Structure and Dynamics of Polar Cap F-Layer Patches. |
title_fullStr |
Structure and Dynamics of Polar Cap F-Layer Patches. |
title_full_unstemmed |
Structure and Dynamics of Polar Cap F-Layer Patches. |
title_sort |
structure and dynamics of polar cap f-layer patches. |
publishDate |
1986 |
url |
http://www.dtic.mil/docs/citations/ADA175291 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA175291 |
geographic |
Greenland |
geographic_facet |
Greenland |
genre |
Greenland Thule |
genre_facet |
Greenland Thule |
op_source |
DTIC AND NTIS |
op_relation |
http://www.dtic.mil/docs/citations/ADA175291 |
op_rights |
APPROVED FOR PUBLIC RELEASE |
_version_ |
1766017449686204416 |