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Titolo:
MHD simulation of the magnetotail during the December 10, 1996, substorm
Autore:
Wiltberger, M; Pulkkinen, TI; Lyon, JG; Goodrich, CC;
Indirizzi:
Univ Maryland, Dept Astron, College Pk, MD 20742 USA Univ Maryland College Pk MD USA 20742 pt Astron, College Pk, MD 20742 USA Dartmouth Coll, Dept Phys & Astron, Wilder Lab 6127, Hanover, NH 03755 USADartmouth Coll Hanover NH USA 03755 ilder Lab 6127, Hanover, NH 03755 USA Finnish Meteorol Inst, FIN-00101 Helsinki, Finland Finnish Meteorol Inst Helsinki Finland FIN-00101 00101 Helsinki, Finland
Titolo Testata:
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS
fascicolo: A12, volume: 105, anno: 2000,
pagine: 27649 - 27663
SICI:
0148-0227(200012)105:A12<27649:MSOTMD>2.0.ZU;2-R
Fonte:
ISI
Lingua:
ENG
Soggetto:
INTERPLANETARY MAGNETIC-FIELD; GEOTAIL OBSERVATIONS; MAGNETOSPHERIC SUBSTORMS; EARTHS MAGNETOSPHERE; EXPANSION ONSET; GROWTH-PHASE; PSEUDOBREAKUP; RECONNECTION; PARTICLE; CONVECTION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
42
Recensione:
Indirizzi per estratti:
Indirizzo: Wiltberger, M Univ Maryland, Dept Astron, College Pk, MD 20742 USA Univ Maryland College Pk MD USA 20742 lege Pk, MD 20742 USA
Citazione:
M. Wiltberger et al., "MHD simulation of the magnetotail during the December 10, 1996, substorm", J GEO R-S P, 105(A12), 2000, pp. 27649-27663

Abstract

This paper presents results of a global MHD simulation of a substorm that occurred on December 10, 1996. We concentrate on the relationship between the simulation results and the magnetotail observations during the growth and expansion phases of the substorm. In general, we find excellent agreementbetween the single point observations made by various spacecraft in both the geosynchronous and mid-tail regions: the simulation accurately represented the energy loading (lobe field increase), small-scale activations (partial dipolarizations), and a global substorm onset (large dipolarizations andfast flows). The global view presented by the simulation shows complex series of discrete flow channels during the expansion phase prior to the onsetof global reconnection. It is these flows channels that disrupt the thin current sheets present during the expansion phase of the substorm.

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Documento generato il 05/12/20 alle ore 13:58:27