A 22-year cycle in the F layer ionization of the ionosphere

Annales Geophysicae

Volumn 15, Issue 8, 1997, Pages 1015-1027

  Feichter, E ^a   Leitinger, R ^a  

^a UNIVERSITY OF GRAZ   (Austria)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 0642281533     PISSN: 09927689     EISSN: None     Source Type: Journal    
DOI: 10.1007/s00585-997-1015-0     Document Type: Article

References (33)

1. Apostolov, E. M., and L. F. Alberca, foF2 hysteresis variations and the semi-annual geomagnetic wave. J. Atmos. Terr. Phys, 57, 755-757, 1995.
2. Baranyi, T., and A. Ludmány, Semi-annual fluctuation and efficiency factors in sun-weather relations, J. Geophys. Res., 97, 14923-14928, 1992.
3. Baranyi, T., and A. Ludmány, Role of the solar main magnetic dipole field in the solar-tropospheric relations. Part I. Semiannual fluctuations in Europe, Ann. Geophysicae, 13, 427-436, 1995a.
4. Baranyi, T., and A. Ludmány, Role of the solar main magnetic dipole field in the solar-tropospheric relations. Part II. Dependence on the types of solar sources, Ann. Geophysicae, 13, 886-892, 1995b.
5. Bartels, J., Discussion of time-variations of geomagnetic activity, indices Kp and Ap, 1932-1961, Ann. Géophys., 19, 1-20, 1963.
6. Chernosky, E. J., Double sunspot-cycle variation in terrestrial magnetic activity 1884-1963, J. Geophys. Res., 71, 965-974, 1966.
7. Cortie, A. L., Sunspots and terrestrial magnetic phenomena, 1898-1911, Mon. Not. R. Astron. Soc., 73, 52-60, 1912.
8. da Rosa, A. V., H. Waldman, and J. Bendito, Response of the ionospheric electron content to fluctuations in solar activity, J. Atmos. Terr. Phys., 35, 1429-1442, 1973.
9. Ebel, A., Temporal and spatial changes of the electron content of the ionosphere, J. Atmos. Terr. Phys., 32, 1649-1660, 1970.
10. Ebel, A., Der ionosphärische Elektroneninhalt und seine weltweiten langperiodischen Änderungen, Mitt. Inst. Geophys. Meteorol. Univ. Köln, 17, 1971.
11. Feichter, E., and R. Leitinger, Long-term studies of ionospheric electron content, Wiss. Ber. 1/93, Institut für Meteorologie und Geophysik, Universität Graz, 1993.
12. Feichter, E., R. Leitinger, and G. K. Hartmann, Untersuchungen über die Halbjahres-und die Jahreswelle in F-Schicht-Parametern, Kleinheubacher Ber., 31, 249-258, 1988.
13. Feichter, E., R. Leitinger, and G. K. Hartmann, Vergleich von Ionosphärenparametern aus zwei Sonnenfleckenzyklen, Kleinheubacher Ber, 33, 93-102, 1990.
14. Feichter, E., R. Leitinger, and G. K. Hartmann, Die Halbjahresperiode in der Thermosphäre und in der Ionosphäre - ein Vergleich, Kleinheubacher Ber, 34, 207-214, 1991.
15. Fraser-Smith, A. C., Spectrum of the geomagnetic activity index Ap, J. Geophys. Res., 77, 4209-4220, 1972.
16. Garriot, O. K., A. V. da Rosa, and W. J. Ross. Electron content obtained from Faraday rotation and phase path length variations. J. atmos. terr. Phys. 32, 705-727, 1970
17. Galdón, E., and L. F. Alberca, Influence of solar activity on the total electron content of the ionosphere over Tortosa, Radio Sci., 3, 913-915, 1970.
18. Huang, Y. -N., Solar cycle and seasonal variations of the solar and lunar daily variations of total electron content at Lunping, J. Geophys. Res., 84, 6595-6601, 1979.
19. Leitinger, R., and E. Putz, Die Auswertung von Differenz-Doppler-Messungen an den Signalen von Navigationssatelliten, Techn Bericht, Universität Graz, 1978.
20. Leitinger, R., G. Schmidt, and A. Tauriainen, An evaluation method combining the differential Doppler measurements from two stations that enables the calculation of the electron content of the ionosphere, J. Geophys, 41, 201-213, 1975.
21. Mayaud, P. N., The aa indices: a 100-year series characterizing the magnetic activity, J. Geophys. Res., 77, 6870, 1972.
22. Meyer, J., A 12-month wave in geomagnetic activity, J. Geophys. Res., 77, 3566-3572, 1972.
23. Münch, J. W., The annual variation of the earth-magnetic activity according to the character figures Ci, Planet. Space Sci., 20, 225-231, 1972.
24. Priester, W., and D. Cattani, On the semiannual variation of geomagnetic activity and its relation to the solar corpuscular radiation, J. Atmos. Sci., 19, 121-126, 1962.
25. Prölss, G. W., Storm-induced changes in the thermospheric composition at middle latitudes, J. Planet. Space Sci., 35, 807-811, 1987.
26. Prölss, G. W., and M. Roemer, Thermospheric storms, Adv. Space Res., 7, (10)223-(10)235, 1987.
27. Putz, E., N. Jakowski, and P. Spalla, Statistische Untersuchungen von Ionosphärenstürmen und erste Modellrechnungen, Kleinheubacher Ber., 33, 121-129, 1990.
28. Russell, C. T., and R. L. Mc Pherron, Semi-annual variation of geomagnetic activity, J. Geophys. Res., 78, 92-108, 1973.
29. Taeusch, D. R., G. R. Carignan, and C. A. Reber, Neutral composition variations above 400 km during a magnetic storm, J. Geophys. Res., 76, 8318-8325, 1971.
30. Titheridge, J. E. and M. J. Buonsanto, A comparison of northern and southern hemisphere TEC storm behaviour, J. Atmos. Terr. Phys., 50, 763-780, 1988.
31. Titheridge, J. E., R. Leitinger, and E. Feichter, Comparison of the long-term behaviour of the F-layer of the ionosphere, northern versus southern hemisphere, Kleinheubacher Ber., 39, 749-755, 1996.
32. Triskova, L., The vernal-autumnal asymmetry in the seasonal variation of the magnetic activity, J. Atmos. Terr. Phys., 51, 111-118, 1989.
33. Yuen, P. C., and T. H. Roelofs, Seasonal variations in ionospheric total electron content, J. Atmos. Terr. Phys., 29, 321-326, 1967.