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Titolo:
Simulation study on the influences of the precipitating electrons on the polar ionosphere
Autore:
Zhang, BC; Liu, RY; Liu, SL;
Indirizzi:
Polar Res Inst China, Shanghai 200129, Peoples R China Polar Res Inst China Shanghai Peoples R China 200129 29, Peoples R China
Titolo Testata:
CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION
fascicolo: 3, volume: 44, anno: 2001,
pagine: 311 - 319
SICI:
0898-9591(200105)44:3<311:SSOTIO>2.0.ZU;2-2
Fonte:
ISI
Lingua:
CHI
Soggetto:
TRANSPORT; MODEL; ION;
Keywords:
polar region; ionosphere; electron precipitation; numerical simulation;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
29
Recensione:
Indirizzi per estratti:
Indirizzo: Zhang, BC Polar Res Inst China, Shanghai 200129, Peoples R China Polar ResInst China Shanghai Peoples R China 200129 s R China
Citazione:
B.C. Zhang et al., "Simulation study on the influences of the precipitating electrons on the polar ionosphere", CH J GEO-CH, 44(3), 2001, pp. 311-319

Abstract

A simulation study on the effects of precipitation electrons on the polar ionosphere is carried out in this paper. Soft electron precipitation is considered in considered in constructing the polar ionospheric model, and improvements are made in applying finite differential scheme for solving the ionospheric model equations. When only soft electron precipitation ionizationis considered, a typical ionospheric F layer can be obtained, while precipitating electrons with higher characteristic energy have maximum ionizationrate at lower height for form distinct ionospheric E layer. The ionozationdensity of the E layer becomes even greater than the F layer. Taking the statistical results of precipitating electrons as model inputs at the cusp region latitudes, the simulation results agree well with observation. Comparing the simulation results and statistical results of ionospheric F layer occurrence with statistical distribution of precipitating electrons at the cusp latitudes, we point out that the so called magnetic local noon effect at Zhongshan Station can be interpreted as the effects of precipitating electrons.

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Documento generato il 25/09/20 alle ore 00:10:19