A theoretical analysis of global characteristics of spread-F

作     者：Zuo Xiao Tianhua Zhang 

作者机构：Peking Univ Dept Geophys Beijing 100871 Peoples R China 

出 版 物：《Chinese Science Bulletin》 (中国科学通报)

年 卷 期：2001年第46卷第19期

页      面：1593-1595页

核心收录：

学科分类：070802[理学-空间物理学] 07[理学] 0708[理学-地球物理学] 

基　　金：This work was supported by the National Natural Science Foundation of China (Grant Nos. 49874041 and 49990454) 

主　　题：spread-F irregularities global characteristics. 

摘      要：Spread-F is an important ionosphere pheonome-non and it has much effect on radio wave propogation. Taking magnetic inclination and declination into consideration, a theoretical model is deduced for the linear growth-rate of spread-F. It is a generalization of the earlier equatorial model and a relatively complete description o f the spread-F pheonomenon. This theory shows that the magnetic configuration, i.e. the magnetic strength, inclination and declination, affects the occurrence rate greatly, which forms some regional distribution characteristics of the spread-F.