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Results of the modeling of the topside electron density profile using the Chapman and Epstein functions
Zhang, M. L.; Radicella, S. M.; Kersley, L.; Pulinets, S. A.; 北京8701信箱
Department空间天气学国家重点实验室
Source PublicationAdvances in Space Research
2002
Pages871-876
Language英语
ISSN0273-1177
AbstractAn attempt has been made to model the topside electron density profile by using the data obtained by the incoherent scatter radar in Malvern (-2.34degreesE, 52.1degreesN), UK and the topside sounder data over the European PRIME region (0-35degreesE, 30-70degreesN). Both the Chapman distribution function and the Epstein function are used to do the modeling. It is found that both functions cannot fit well the topside profiles if the thickness parameters are assumed to be constant along all the heights above the F2-peak. Our study showed that by assuming the thickness parameter changes linearly with height (H-S = H-0+a (h-h(max)) for Chapman function and B-2 = B-0+k (h-h(max)) for Epstein function), the result of the fitting could be improved very much. We found that with the two-parameter fitting, the topside profiles can be fitted to a height of about 400km above the F2-peak quite satisfactorily, while with the one-parameter fitting by fixing the slope parameter in the linear relationship, the results obtained are still good enough when the fitting is made to a height of about 300km above the 172-peak. The results showed that the thickness parameter near F2-peak varies very complicatedly. The correlation relationships of B-0 with hmF2, NmF2, Ap and F107 are also studied. (C) 2002 COSPAR. Published by Elsevier Science Ltd. All rights reserved.
Conference NameC4 1-D3 9 Symposium of COSPAR Scientific Commission C held at the 33rd COSPAR Scientific Assembly
Conference Date2002
Conference PlaceWarsaw, Poland
Indexed ByCPCI
Document Type会议论文
Identifierhttp://ir.nssc.ac.cn/handle/122/942
Collection空间科学部
Corresponding Author北京8701信箱
Recommended Citation
GB/T 7714
Zhang, M. L.,Radicella, S. M.,Kersley, L.,et al. Results of the modeling of the topside electron density profile using the Chapman and Epstein functions[C]. OXFORD:Pergamon-Elsevier Science Ltd,2002:871-876.
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