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Titolo:
Three-dimensional MHD simulations of the Earth's magnetosphere on Feb 9-101995 for northward interplanetary magnetic field and comparison of the lobe field with Geotail observations
Autore:
Shao, X; Guzdar, PN; Papadopoulos, K; Goodrich, CC; Sharma, AS; Milikh, GM; Wiltberger, MJ; Lyon, JG;
Indirizzi:
Univ Maryland, Dept Astron, College Pk, MD 20742 USA Univ Maryland College Pk MD USA 20742 pt Astron, College Pk, MD 20742 USA Univ Maryland, Inst Plasma Res, College Pk, MD 20742 USA Univ Maryland College Pk MD USA 20742 lasma Res, College Pk, MD 20742 USA Dartmouth Coll, Dept Phys, Hanover, NH 03755 USA Dartmouth Coll Hanover NH USA 03755 oll, Dept Phys, Hanover, NH 03755 USA
Titolo Testata:
GEOPHYSICAL RESEARCH LETTERS
fascicolo: 20, volume: 28, anno: 2001,
pagine: 3835 - 3838
SICI:
0094-8276(20011015)28:20<3835:TMSOTE>2.0.ZU;2-O
Fonte:
ISI
Lingua:
ENG
Soggetto:
SOLAR-WIND; PHASE; ONSET; TAIL;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
11
Recensione:
Indirizzi per estratti:
Indirizzo: Shao, X Univ Maryland, Dept Astron, College Pk, MD 20742 USA Univ Maryland College Pk MD USA 20742 n, College Pk, MD 20742 USA
Citazione:
X. Shao et al., "Three-dimensional MHD simulations of the Earth's magnetosphere on Feb 9-101995 for northward interplanetary magnetic field and comparison of the lobe field with Geotail observations", GEOPHYS R L, 28(20), 2001, pp. 3835-3838

Abstract

Three-dimensional Global magnetohydrodynamic simulations of the quiet-timemagnetosphere are compared to data obtained from the Geotail satellite. For the specific event on Feb. 9-10, 1995 when the interplanetary magnetic field was quiet northward and Geotail was in the vicinity of the equatorial plane and around x=-20 R-E, the lobe field was found to be steady for 2.5 hours. During the time interval between UT 00:30, Feb. 10 and UT 3:00, Feb. 10, the lobe field B-x is nearly zero and B-z is around 5 nT which is comparable to the B-z (about 5 nT) of the EAR This is consistent with predictionsfrom our recent steady-state simulations [Guzdar et al., 2001]. Also performing real event simulations using the global MHD code we find that the time scale for the temporal evolution and magnitude of the the various components of the lobe field agree well with Geotail observations.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 29/09/20 alle ore 04:26:51