Modelling and measurement of global-scale ionospheric behavior under solar minimum, equinoctial conditions
Identifieur interne : 00DC37 ( Main/Exploration ); précédent : 00DC36; suivant : 00DC38Modelling and measurement of global-scale ionospheric behavior under solar minimum, equinoctial conditions
Auteurs : E. P. Szuszczewicz [États-Unis] ; B. Fejer [États-Unis] ; E. Roelof [États-Unis] ; R. Schunk [États-Unis] ; R. Wolf [États-Unis] ; M. Abdu [Brésil] ; T. Bateman [États-Unis] ; P. Blanchard [États-Unis] ; B. A. Emery [États-Unis] ; A. Feldstein [Russie] ; R. Hanbaba [France] ; J. Joselyn [États-Unis] ; T. Kikuchi [Japon] ; R. Leitinger [Autriche] ; M. Lester [Royaume-Uni] ; J. Sobral [Brésil] ; B. M. Reddy [Inde] ; A. D. Richmond [États-Unis] ; R. Sica [Canada] ; G. O. Walker [Hong Kong] ; P. Wilkinson [Australie]Source :
- Advances in Space Research [ 0273-1177 ] ; 1991.
Descripteurs français
- Wicri :
- topic : Base de données.
English descriptors
- KwdEn :
- Auroral, Auroral zone, Convection, Convection patterns, Critical frequencies, Critical frequency, Database, Dynamic events, Dynamics, Dynamo, Dynamo fields, Electric field, Electric fields, Empirical modelling, Empirical specification, Equatorial, Equatorial anomaly, Equatorward edge, Equinoctial, Equinoctial campaign, Equinoctial conditions, Fejer, Field events, Field patterns, Fossil wind, Fossil winds, Geomagnetic activity, Geomagnetic conditions, Geophys, Global distributions, Good agreement, High latitudes, Hmf2, Intermediate layers, International reference ionosphere, Interplanetary, Interplanetary medium, Ionosphere, Ionospheric, Ionospheric behavior, Magnetic field, Magnetic reconfiguration, Magnetospheric, Meridional, Meridional wind, Meridional winds, Millstone hill, Model calculations, Modelling, Neutral atmosphere, Nmf2, Northern hemisphere, Numerical simulations, October, Particle precipitation, Penetrating magnetospheric, Perturbation, Plasma drift, Plasmaspheric fluxes, Predictive capability, Private communication, Proper representation, Relative roles, September, Shielding layer, Slot clot, Solar wind plasma, Solid line, Solid lines, Soviet sector, Soviet stations, Space sciences, Special interest, Specification, Strong convection, Sundial, Sundial campaign, Sundial investigations, Sundial observations, Sundial period, Sundial stations, Sunset periods, Sunset terminator, Szuszczewicz, Thermospheric, Thermospheric winds, Time frame, Time scale, Vertical plasma drift, Zonal winds.
- Teeft :
- Auroral, Auroral zone, Convection, Convection patterns, Critical frequencies, Critical frequency, Database, Dynamic events, Dynamics, Dynamo, Dynamo fields, Electric field, Electric fields, Empirical modelling, Empirical specification, Equatorial, Equatorial anomaly, Equatorward edge, Equinoctial, Equinoctial campaign, Equinoctial conditions, Fejer, Field events, Field patterns, Fossil wind, Fossil winds, Geomagnetic activity, Geomagnetic conditions, Geophys, Global distributions, Good agreement, High latitudes, Hmf2, Intermediate layers, International reference ionosphere, Interplanetary, Interplanetary medium, Ionosphere, Ionospheric, Ionospheric behavior, Magnetic field, Magnetic reconfiguration, Magnetospheric, Meridional, Meridional wind, Meridional winds, Millstone hill, Model calculations, Modelling, Neutral atmosphere, Nmf2, Northern hemisphere, Numerical simulations, October, Particle precipitation, Penetrating magnetospheric, Perturbation, Plasma drift, Plasmaspheric fluxes, Predictive capability, Private communication, Proper representation, Relative roles, September, Shielding layer, Slot clot, Solar wind plasma, Solid line, Solid lines, Soviet sector, Soviet stations, Space sciences, Special interest, Specification, Strong convection, Sundial, Sundial campaign, Sundial investigations, Sundial observations, Sundial period, Sundial stations, Sunset periods, Sunset terminator, Szuszczewicz, Thermospheric, Thermospheric winds, Time frame, Time scale, Vertical plasma drift, Zonal winds.
Abstract
Abstract: We treat the global-scale modelling and measurement activities of the SUNDIAL campaign of September 1986 and investigate averaged, quite-time, and dynamic ionospheric behavior. Treatment is given to developments in empirical and first-principle models; and we investigate various aspects of magnetospheric-thermospheric-ionospheric coupling mechanisms. Overall results point to good empirical model specification of averaged F-region behavior, with suggestions for improvements in specification of layer peak densities near and across the sunset terminator. We elucidate the difficulties in achieving a unique determination of electric fields, thermospheric winds, and plasmaspheric fluxes in first-principle model attempts to reproduce global observations of quiet-time F-region heights and densities. In this connection, and in our treatment of magnetospherically-imposed electric field influences on low-latitude F-region dynamics, we show a greater need for comprehensive measurements of auroral oval dynamics, thermospheric winds, electric fields, ion composition, and ionospheric layer heights and densities; and we discuss the growing importance of the lower regions of the ionosphere and thermosphere and the associated controls of dynamo-driven electric fields.
Url:
DOI: 10.1016/0273-1177(92)90045-Y
Affiliations:
- Australie, Autriche, Brésil, Canada, France, Hong Kong, Inde, Japon, Royaume-Uni, Russie, États-Unis
- Utah, Virginie
Links toward previous steps (curation, corpus...)
- to stream Istex, to step Corpus: 000791
- to stream Istex, to step Curation: 000791
- to stream Istex, to step Checkpoint: 002B34
- to stream Main, to step Merge: 00EE71
- to stream Main, to step Curation: 00DC37
Le document en format XML
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Auroral</term>
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<term>Convection</term>
<term>Convection patterns</term>
<term>Critical frequencies</term>
<term>Critical frequency</term>
<term>Database</term>
<term>Dynamic events</term>
<term>Dynamics</term>
<term>Dynamo</term>
<term>Dynamo fields</term>
<term>Electric field</term>
<term>Electric fields</term>
<term>Empirical modelling</term>
<term>Empirical specification</term>
<term>Equatorial</term>
<term>Equatorial anomaly</term>
<term>Equatorward edge</term>
<term>Equinoctial</term>
<term>Equinoctial campaign</term>
<term>Equinoctial conditions</term>
<term>Fejer</term>
<term>Field events</term>
<term>Field patterns</term>
<term>Fossil wind</term>
<term>Fossil winds</term>
<term>Geomagnetic activity</term>
<term>Geomagnetic conditions</term>
<term>Geophys</term>
<term>Global distributions</term>
<term>Good agreement</term>
<term>High latitudes</term>
<term>Hmf2</term>
<term>Intermediate layers</term>
<term>International reference ionosphere</term>
<term>Interplanetary</term>
<term>Interplanetary medium</term>
<term>Ionosphere</term>
<term>Ionospheric</term>
<term>Ionospheric behavior</term>
<term>Magnetic field</term>
<term>Magnetic reconfiguration</term>
<term>Magnetospheric</term>
<term>Meridional</term>
<term>Meridional wind</term>
<term>Meridional winds</term>
<term>Millstone hill</term>
<term>Model calculations</term>
<term>Modelling</term>
<term>Neutral atmosphere</term>
<term>Nmf2</term>
<term>Northern hemisphere</term>
<term>Numerical simulations</term>
<term>October</term>
<term>Particle precipitation</term>
<term>Penetrating magnetospheric</term>
<term>Perturbation</term>
<term>Plasma drift</term>
<term>Plasmaspheric fluxes</term>
<term>Predictive capability</term>
<term>Private communication</term>
<term>Proper representation</term>
<term>Relative roles</term>
<term>September</term>
<term>Shielding layer</term>
<term>Slot clot</term>
<term>Solar wind plasma</term>
<term>Solid line</term>
<term>Solid lines</term>
<term>Soviet sector</term>
<term>Soviet stations</term>
<term>Space sciences</term>
<term>Special interest</term>
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<term>Strong convection</term>
<term>Sundial</term>
<term>Sundial campaign</term>
<term>Sundial investigations</term>
<term>Sundial observations</term>
<term>Sundial period</term>
<term>Sundial stations</term>
<term>Sunset periods</term>
<term>Sunset terminator</term>
<term>Szuszczewicz</term>
<term>Thermospheric</term>
<term>Thermospheric winds</term>
<term>Time frame</term>
<term>Time scale</term>
<term>Vertical plasma drift</term>
<term>Zonal winds</term>
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<term>Auroral zone</term>
<term>Convection</term>
<term>Convection patterns</term>
<term>Critical frequencies</term>
<term>Critical frequency</term>
<term>Database</term>
<term>Dynamic events</term>
<term>Dynamics</term>
<term>Dynamo</term>
<term>Dynamo fields</term>
<term>Electric field</term>
<term>Electric fields</term>
<term>Empirical modelling</term>
<term>Empirical specification</term>
<term>Equatorial</term>
<term>Equatorial anomaly</term>
<term>Equatorward edge</term>
<term>Equinoctial</term>
<term>Equinoctial campaign</term>
<term>Equinoctial conditions</term>
<term>Fejer</term>
<term>Field events</term>
<term>Field patterns</term>
<term>Fossil wind</term>
<term>Fossil winds</term>
<term>Geomagnetic activity</term>
<term>Geomagnetic conditions</term>
<term>Geophys</term>
<term>Global distributions</term>
<term>Good agreement</term>
<term>High latitudes</term>
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<term>Ionosphere</term>
<term>Ionospheric</term>
<term>Ionospheric behavior</term>
<term>Magnetic field</term>
<term>Magnetic reconfiguration</term>
<term>Magnetospheric</term>
<term>Meridional</term>
<term>Meridional wind</term>
<term>Meridional winds</term>
<term>Millstone hill</term>
<term>Model calculations</term>
<term>Modelling</term>
<term>Neutral atmosphere</term>
<term>Nmf2</term>
<term>Northern hemisphere</term>
<term>Numerical simulations</term>
<term>October</term>
<term>Particle precipitation</term>
<term>Penetrating magnetospheric</term>
<term>Perturbation</term>
<term>Plasma drift</term>
<term>Plasmaspheric fluxes</term>
<term>Predictive capability</term>
<term>Private communication</term>
<term>Proper representation</term>
<term>Relative roles</term>
<term>September</term>
<term>Shielding layer</term>
<term>Slot clot</term>
<term>Solar wind plasma</term>
<term>Solid line</term>
<term>Solid lines</term>
<term>Soviet sector</term>
<term>Soviet stations</term>
<term>Space sciences</term>
<term>Special interest</term>
<term>Specification</term>
<term>Strong convection</term>
<term>Sundial</term>
<term>Sundial campaign</term>
<term>Sundial investigations</term>
<term>Sundial observations</term>
<term>Sundial period</term>
<term>Sundial stations</term>
<term>Sunset periods</term>
<term>Sunset terminator</term>
<term>Szuszczewicz</term>
<term>Thermospheric</term>
<term>Thermospheric winds</term>
<term>Time frame</term>
<term>Time scale</term>
<term>Vertical plasma drift</term>
<term>Zonal winds</term>
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<front><div type="abstract" xml:lang="en">Abstract: We treat the global-scale modelling and measurement activities of the SUNDIAL campaign of September 1986 and investigate averaged, quite-time, and dynamic ionospheric behavior. Treatment is given to developments in empirical and first-principle models; and we investigate various aspects of magnetospheric-thermospheric-ionospheric coupling mechanisms. Overall results point to good empirical model specification of averaged F-region behavior, with suggestions for improvements in specification of layer peak densities near and across the sunset terminator. We elucidate the difficulties in achieving a unique determination of electric fields, thermospheric winds, and plasmaspheric fluxes in first-principle model attempts to reproduce global observations of quiet-time F-region heights and densities. In this connection, and in our treatment of magnetospherically-imposed electric field influences on low-latitude F-region dynamics, we show a greater need for comprehensive measurements of auroral oval dynamics, thermospheric winds, electric fields, ion composition, and ionospheric layer heights and densities; and we discuss the growing importance of the lower regions of the ionosphere and thermosphere and the associated controls of dynamo-driven electric fields.</div>
</front>
</TEI>
<affiliations><list><country><li>Australie</li>
<li>Autriche</li>
<li>Brésil</li>
<li>Canada</li>
<li>France</li>
<li>Hong Kong</li>
<li>Inde</li>
<li>Japon</li>
<li>Royaume-Uni</li>
<li>Russie</li>
<li>États-Unis</li>
</country>
<region><li>Utah</li>
<li>Virginie</li>
</region>
</list>
<tree><country name="États-Unis"><region name="Virginie"><name sortKey="Szuszczewicz, E P" sort="Szuszczewicz, E P" uniqKey="Szuszczewicz E" first="E. P." last="Szuszczewicz">E. P. Szuszczewicz</name>
</region>
<name sortKey="Bateman, T" sort="Bateman, T" uniqKey="Bateman T" first="T." last="Bateman">T. Bateman</name>
<name sortKey="Blanchard, P" sort="Blanchard, P" uniqKey="Blanchard P" first="P." last="Blanchard">P. Blanchard</name>
<name sortKey="Emery, B A" sort="Emery, B A" uniqKey="Emery B" first="B. A." last="Emery">B. A. Emery</name>
<name sortKey="Fejer, B" sort="Fejer, B" uniqKey="Fejer B" first="B." last="Fejer">B. Fejer</name>
<name sortKey="Joselyn, J" sort="Joselyn, J" uniqKey="Joselyn J" first="J." last="Joselyn">J. Joselyn</name>
<name sortKey="Richmond, A D" sort="Richmond, A D" uniqKey="Richmond A" first="A. D." last="Richmond">A. D. Richmond</name>
<name sortKey="Roelof, E" sort="Roelof, E" uniqKey="Roelof E" first="E." last="Roelof">E. Roelof</name>
<name sortKey="Schunk, R" sort="Schunk, R" uniqKey="Schunk R" first="R." last="Schunk">R. Schunk</name>
<name sortKey="Wolf, R" sort="Wolf, R" uniqKey="Wolf R" first="R." last="Wolf">R. Wolf</name>
</country>
<country name="Brésil"><noRegion><name sortKey="Abdu, M" sort="Abdu, M" uniqKey="Abdu M" first="M." last="Abdu">M. Abdu</name>
</noRegion>
<name sortKey="Sobral, J" sort="Sobral, J" uniqKey="Sobral J" first="J." last="Sobral">J. Sobral</name>
</country>
<country name="Russie"><noRegion><name sortKey="Feldstein, A" sort="Feldstein, A" uniqKey="Feldstein A" first="A." last="Feldstein">A. Feldstein</name>
</noRegion>
</country>
<country name="France"><noRegion><name sortKey="Hanbaba, R" sort="Hanbaba, R" uniqKey="Hanbaba R" first="R." last="Hanbaba">R. Hanbaba</name>
</noRegion>
</country>
<country name="Japon"><noRegion><name sortKey="Kikuchi, T" sort="Kikuchi, T" uniqKey="Kikuchi T" first="T." last="Kikuchi">T. Kikuchi</name>
</noRegion>
</country>
<country name="Autriche"><noRegion><name sortKey="Leitinger, R" sort="Leitinger, R" uniqKey="Leitinger R" first="R." last="Leitinger">R. Leitinger</name>
</noRegion>
</country>
<country name="Royaume-Uni"><noRegion><name sortKey="Lester, M" sort="Lester, M" uniqKey="Lester M" first="M." last="Lester">M. Lester</name>
</noRegion>
</country>
<country name="Inde"><noRegion><name sortKey="Reddy, B M" sort="Reddy, B M" uniqKey="Reddy B" first="B. M." last="Reddy">B. M. Reddy</name>
</noRegion>
</country>
<country name="Canada"><noRegion><name sortKey="Sica, R" sort="Sica, R" uniqKey="Sica R" first="R." last="Sica">R. Sica</name>
</noRegion>
</country>
<country name="Hong Kong"><noRegion><name sortKey="Walker, G O" sort="Walker, G O" uniqKey="Walker G" first="G. O." last="Walker">G. O. Walker</name>
</noRegion>
</country>
<country name="Australie"><noRegion><name sortKey="Wilkinson, P" sort="Wilkinson, P" uniqKey="Wilkinson P" first="P." last="Wilkinson">P. Wilkinson</name>
</noRegion>
</country>
</tree>
</affiliations>
</record>
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