Behavior characteristics of the index of middle-latitude f-spread

被引:5
|
作者
Vybornov F.I. [1 ]
Mityakova E.E. [1 ]
Rakhlin A.V. [1 ]
机构
[1] Radiophysical Research Institute, Nizhny Novgorod
基金
俄罗斯基础研究基金会;
关键词
Solar Activity; Average Index; Solar Activity Cycle; High Solar Activity; Ionospheric Layer;
D O I
10.1007/BF02676344
中图分类号
学科分类号
摘要
We present the results of analysis of data on ionospheric vertical sounding in Zimenki (Nizhny Novgorod) over the period from 1964 to 1992. The January ionograms are used for constructing the plots of daily indices of F-spread for an ionospheric layer. The dependence of the average monthly (January) index of F-spread on the solar activity is obtained. The index of F-spread is found to grow with time. The technogenic nature of this increase is assumed. © 1997 Plenum Publishing Corporation.
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页码:206 / 209
页数:3
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