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Titolo:
Upper-atmospheric effects of magnetic storms: a brief tutorial
Autore:
Richmond, AD; Lu, G;
Indirizzi:
Natl Ctr Atmospher Res, High Altitude Observ, Boulder, CO 80307 USA Natl Ctr Atmospher Res Boulder CO USA 80307 Observ, Boulder, CO 80307 USA
Titolo Testata:
JOURNAL OF ATMOSPHERIC AND SOLAR-TERRESTRIAL PHYSICS
fascicolo: 12, volume: 62, anno: 2000,
pagine: 1115 - 1127
SICI:
1364-6826(200008)62:12<1115:UEOMSA>2.0.ZU;2-8
Fonte:
ISI
Lingua:
ENG
Soggetto:
ANTARCTIC F-REGION; 10 JANUARY 1997; GEOMAGNETIC STORMS; ELECTRIC-FIELDS; CME EVENT; THERMOSPHERIC RESPONSE; EMPIRICAL-MODELS; CLOUD EVENT; IONOSPHERE; DISTURBANCES;
Keywords:
upper-atmospheric effects; magnetic storms; magnetospheric disturbances;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
51
Recensione:
Indirizzi per estratti:
Indirizzo: Richmond, AD Natl Ctr Atmospher Res, High Altitude Observ, POB 3000, Boulder, CO 80307 USA Natl Ctr Atmospher Res POB 3000 Boulder CO USA 80307 0307 USA
Citazione:
A.D. Richmond e G. Lu, "Upper-atmospheric effects of magnetic storms: a brief tutorial", J ATMOS S-P, 62(12), 2000, pp. 1115-1127

Abstract

The physical processes underlying several phenomena of upper-atmospheric storms are described: magnetospherically driven ion convection and Joule heating and their impact on the high-latitude thermosphere and ionosphere; global changes in thermospheric circulation and composition; traveling atmospheric disturbances; and effects of electric-field penetration to middle and low latitudes. Examples from the 1997 January 10-11 storm are used to illustrate some of these features. It is pointed out that not only the magnitude, but also the sign of many storm-time changes at any given location dependsensitively on the temporal and spatial variations of auroral particle precipitation and high-latitude electric fields. In order for simulation models to be able to predict upper-atmospheric storm effects accurately, improved determination of the high-latitude inputs will be required. (C) 2000 Elsevier Science Ltd. All rights reserved.

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Documento generato il 26/09/20 alle ore 17:28:13