Ionization frequencies for major thermospheric constituents as a function of solar cycle 21

Geophysical Research Letters

Volumn 6, Issue 10, 1979, Pages 771-774

  Torr, Marsha R ^a   Torr, D G ^a   Ong, R A ^a   Hinteregger, H E ^a  

^a NONE

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EID: 84902383950     PISSN: 00948276     EISSN: 19448007     Source Type: Journal    
DOI: 10.1029/GL006i010p00771     Document Type: Article

References (17)

1. e at intense solar emission lines
2. 2 and COin the region 550‐200Å
3. Photoionization and absorption coefficients of CO in the 600 to 1000Å region
4. 2
5. Summary of full‐disk solar fluxes between 250 and 1940Å
6. Aeronomical reference spectrum for solar UV below 2000Å
7. The extreme ultraviolet solar spectrum and its variation during a solar cycle
8. EUV flux variation during end of solar cycle 20 and beginning cycle 21observed from AE‐C satellite
9. Development of solar cycle 21 observed in EUV spectrum and atmospheric absorption
10. The EUV spectrophotometer on Atmosphere Explorer
11. EUV flux variations with solar rotation observed during 1974‐1976 from the AE‐C satellite
12. Development of solar EUV irradiance from July 1976 to July 1979
13. 2
14. Chemistry of the thermosphere and ionosphere
15. + ions in the midlatitude Fl layer of the ionosphere
16. 2 in the region 350 to 650Å