ANTARCTIC RESEARCH AND DATA ANALYSIS. AN ELECTRON BOMBARDMENT THEORY OF HIGHLATITUDE SPORADIC-E.
On the basis of a power spectrum analysis of the foEs time series at the Antarctic stations Wilkes and Byrd, periodic tendencies of the order of hours were uncovered. The principal (and secondary) periods in hours are: Wilkes 1.7 (2.4) Byrd 2.2 (1.1). It is possible to derive a model of quasi-period...
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ftdtic:AD0608126 2023-05-15T13:37:14+02:00 ANTARCTIC RESEARCH AND DATA ANALYSIS. AN ELECTRON BOMBARDMENT THEORY OF HIGHLATITUDE SPORADIC-E. Bennett,S. M. Noel,T. M. AVCO CORP WILMINGTON MASS RESEARCH AND ADVANCED DEVELOPMENT DIV 1964-09-25 text/html http://www.dtic.mil/docs/citations/AD0608126 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=AD0608126 en eng http://www.dtic.mil/docs/citations/AD0608126 APPROVED FOR PUBLIC RELEASE DTIC AND NTIS (*ELECTRON DENSITY POLAR REGIONS) ATMOSPHERIC ELECTRICITY IONOSPHERE GEOPHYSICS Text 1964 ftdtic 2016-02-18T18:00:02Z On the basis of a power spectrum analysis of the foEs time series at the Antarctic stations Wilkes and Byrd, periodic tendencies of the order of hours were uncovered. The principal (and secondary) periods in hours are: Wilkes 1.7 (2.4) Byrd 2.2 (1.1). It is possible to derive a model of quasi-periodic variations which is related to the loss of electrons from the Van Allen radiation belt. Thin-layer sporadic-E results from the magnetospheric time-of-flight spectrometer effect when the source is longitudinally small. The periodicity of the resultant variation in electron density at a point longitudinally removed from the disturbance source (but on the same Lshell) is dependent upon the particle source spectrum and the Coulomb-scattering loss-coefficient and these factors are, at present, poorly understood. The longitude effect in high-latitude sporadic-E occurrence is ascribed to the longitudinal dependence of the effective loss coefficient for a particle whose mirror point drifts on a surface of constant magnetic field strength. (Author) Text Antarc* Antarctic Defense Technical Information Center: DTIC Technical Reports database Antarctic Byrd Mirror Point ENVELOPE(-58.150,-58.150,-62.542,-62.542) The Antarctic |
institution |
Open Polar |
collection |
Defense Technical Information Center: DTIC Technical Reports database |
op_collection_id |
ftdtic |
language |
English |
topic |
(*ELECTRON DENSITY POLAR REGIONS) ATMOSPHERIC ELECTRICITY IONOSPHERE GEOPHYSICS |
spellingShingle |
(*ELECTRON DENSITY POLAR REGIONS) ATMOSPHERIC ELECTRICITY IONOSPHERE GEOPHYSICS Bennett,S. M. Noel,T. M. ANTARCTIC RESEARCH AND DATA ANALYSIS. AN ELECTRON BOMBARDMENT THEORY OF HIGHLATITUDE SPORADIC-E. |
topic_facet |
(*ELECTRON DENSITY POLAR REGIONS) ATMOSPHERIC ELECTRICITY IONOSPHERE GEOPHYSICS |
description |
On the basis of a power spectrum analysis of the foEs time series at the Antarctic stations Wilkes and Byrd, periodic tendencies of the order of hours were uncovered. The principal (and secondary) periods in hours are: Wilkes 1.7 (2.4) Byrd 2.2 (1.1). It is possible to derive a model of quasi-periodic variations which is related to the loss of electrons from the Van Allen radiation belt. Thin-layer sporadic-E results from the magnetospheric time-of-flight spectrometer effect when the source is longitudinally small. The periodicity of the resultant variation in electron density at a point longitudinally removed from the disturbance source (but on the same Lshell) is dependent upon the particle source spectrum and the Coulomb-scattering loss-coefficient and these factors are, at present, poorly understood. The longitude effect in high-latitude sporadic-E occurrence is ascribed to the longitudinal dependence of the effective loss coefficient for a particle whose mirror point drifts on a surface of constant magnetic field strength. (Author) |
author2 |
AVCO CORP WILMINGTON MASS RESEARCH AND ADVANCED DEVELOPMENT DIV |
format |
Text |
author |
Bennett,S. M. Noel,T. M. |
author_facet |
Bennett,S. M. Noel,T. M. |
author_sort |
Bennett,S. M. |
title |
ANTARCTIC RESEARCH AND DATA ANALYSIS. AN ELECTRON BOMBARDMENT THEORY OF HIGHLATITUDE SPORADIC-E. |
title_short |
ANTARCTIC RESEARCH AND DATA ANALYSIS. AN ELECTRON BOMBARDMENT THEORY OF HIGHLATITUDE SPORADIC-E. |
title_full |
ANTARCTIC RESEARCH AND DATA ANALYSIS. AN ELECTRON BOMBARDMENT THEORY OF HIGHLATITUDE SPORADIC-E. |
title_fullStr |
ANTARCTIC RESEARCH AND DATA ANALYSIS. AN ELECTRON BOMBARDMENT THEORY OF HIGHLATITUDE SPORADIC-E. |
title_full_unstemmed |
ANTARCTIC RESEARCH AND DATA ANALYSIS. AN ELECTRON BOMBARDMENT THEORY OF HIGHLATITUDE SPORADIC-E. |
title_sort |
antarctic research and data analysis. an electron bombardment theory of highlatitude sporadic-e. |
publishDate |
1964 |
url |
http://www.dtic.mil/docs/citations/AD0608126 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=AD0608126 |
long_lat |
ENVELOPE(-58.150,-58.150,-62.542,-62.542) |
geographic |
Antarctic Byrd Mirror Point The Antarctic |
geographic_facet |
Antarctic Byrd Mirror Point The Antarctic |
genre |
Antarc* Antarctic |
genre_facet |
Antarc* Antarctic |
op_source |
DTIC AND NTIS |
op_relation |
http://www.dtic.mil/docs/citations/AD0608126 |
op_rights |
APPROVED FOR PUBLIC RELEASE |
_version_ |
1766089635456352256 |