scholarly journals Nitrate ion spikes in ice cores not suitable as proxies for solar proton events

2016 ◽  
Vol 121 (6) ◽  
pp. 2994-3016 ◽  
Author(s):  
Katharine A. Duderstadt ◽  
Jack E. Dibb ◽  
Nathan A. Schwadron ◽  
Harlan E. Spence ◽  
Stanley C. Solomon ◽  
...  
Keyword(s):  
Ice Cores ◽  
Solar Proton ◽  
Nitrate Ion ◽  
Solar Proton Events

List of Solar Proton Events in the 24 Cycle of Solar Activity (2009 ‒ 2019)

2019 ◽  
Author(s):  
◽  
Vitaly Ishkov ◽  
Yury Logachev ◽  
Galina Bazilevskaya ◽  
Elena Daibog ◽  
...  
Keyword(s):  
Solar Activity ◽  
Solar Proton ◽  
Solar Proton Events

Solar proton events during the past three solar cycles

1989 ◽  
Vol 26 (6) ◽  
pp. 403-415 ◽  
Author(s):  
D. F. Smart ◽  
M. A. Shea
Keyword(s):  
Solar Proton ◽  
Solar Cycles ◽  
The Past ◽  
Solar Proton Events

Large solar proton events and geosynchronous communication spacecraft solar arrays

1991 ◽  
Vol 28 (5) ◽  
pp. 614-616 ◽  
Author(s):  
L. J. Lanzerotti ◽  
D. W. Maurer ◽  
H. H. Sauer ◽  
R. D. Zwickl
Keyword(s):  
Solar Proton ◽  
Solar Arrays ◽  
Solar Proton Events

Ionization increases associated with the small solar proton events of 5 February 1965 and 16 July 1966

1969 ◽  
Vol 47 (2) ◽  
pp. 131-134 ◽  
Author(s):  
L. W. Hewitt
Keyword(s):  
Lower Ionosphere ◽  
Solar Proton ◽  
Satellite Observations ◽  
Geographic Latitude ◽  
Electron Number ◽  
Partial Reflection ◽  
D Region ◽  
Resolute Bay ◽  
Solar Proton Events

Observations of partial reflections from the ionosphere at vertical incidence at 2.66 MHz have been made at Resolute Bay, geographic latitude 74.7 °N, since September 1963. By measuring the amplitudes of the ordinary and extraordinary backscattered waves information is obtained about electron number densities in the lower ionosphere. The results presented in this paper show that the partial reflection technique is more sensitive than most other ground-based experiments for the detection of D-region ionization increases associated with small solar proton events. Results obtained by the partial reflection experiment during the events of 5 February 1965 and 16 July 1966 are presented and compared with VLF and satellite observations.

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