The long-term variations of critical frequency in the F2 region of ionosphere and solar activity

2015 ◽  
Author(s):  
Elizaveta Kolesnik ◽  
Rustam Khaitov ◽  
Sergey Kolesnik ◽  
Alexander Mitaev ◽  
Maxim Pikalov
Keyword(s):  
Solar Activity ◽  
Critical Frequency ◽  
Long Term Variations

scholarly journals Solar Modulation Effects in Terrestrial Production of Carbon-14

Radiocarbon ◽  
1980 ◽  
Vol 22 (2) ◽  
pp. 133-158 ◽  
Author(s):  
Giuliana Castagnoli ◽  
Devendra Lal
Keyword(s):  
Solar Activity ◽  
Cosmic Ray ◽  
Solar Modulation ◽  
Carbon 14 ◽  
Cosmic Ray Modulation ◽  
The Earth ◽  
Secular Variations ◽  
Galactic Cosmic Ray ◽  
Long Term Variations

This paper is concerned with the expected deviations in the production rate of natural 14C on the earth due to changes in solar activity. We review the published estimates of the global production rates of 14C due to galactic and solar cosmic ray particles, and present new estimates of the expected secular variations in 14C production, taking into account the latest information available on galactic cosmic ray modulation and long-term variations in solar activity.

Cosmic-ray long-term variations due to the solar activity for the 22nd solar cycle

1995 ◽  
Vol 16 (9) ◽  
pp. 245-248 ◽  
Author(s):  
L. Marmatsouri ◽  
A. Vassilaki ◽  
H. Mavromichalaki ◽  
B. Petropoulos
Keyword(s):  
Solar Activity ◽  
Solar Cycle ◽  
Cosmic Ray ◽  
Long Term Variations

Long-term variations in north-south asymmetry of solar activity

Solar Physics ◽  
1986 ◽  
Vol 106 (1) ◽  
pp. 35-42 ◽  
Author(s):  
Derek B. Swinson ◽  
Hisako Koyama ◽  
Takao Saito
Keyword(s):  
Solar Activity ◽  
South Asymmetry ◽  
Long Term Variations
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