Climatology of the equatorial thermospheric mass density anomaly

Journal of Geophysical Research: Space Physics

Volumn 112, Issue 5, 2007, Pages

  Liu, Huixin ^a   Lühr, Hermann ^b   Watanabe, Shigeto ^a  

^a HOKKAIDO UNIVERSITY   (Japan)

^b GFZ GERMAN RESEARCH CENTRE FOR GEOSCIENCES   (Germany)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 34547319796     PISSN: None     EISSN: 21699402     Source Type: Journal    
DOI: 10.1029/2006JA012199     Document Type: Article

References (30)

1. Balan, N., Y. Otsuka, G. J. Bailey, and S. Fukao (1998), Equinoctial asymmetries in the ionosphere and thermosphere observed by the MU radar, J. Geophys. Res., 103, 9481-9495.
2. Boulton, W. J. (1985), The determination and analysis of the orbit of Nimbus 1 rocket, 1964-52b: The semi-annual variatio in air density from June 1968 to August 1974, Planet. Space Sci., 33, 1417-1431.
3. Fuller-Rowell, T. J. (1998), The thermospheric spoon: A mechanism for the semiannual density variation, J. Geophys. Res., 103, 3951-3956.
4. Fuller-Rowell, T. J., M. V. Codrescu, B. G. Fejer, W. Borer, F. Marcos, and D. N. Anderson (1997), Dynamics of the low-latitude thermosphere: Quiet and disturbed conditions, J. Atmos. Terr. Phys., 61, 1533-1540.
5. Hedin, A. E., and H. G. Mayr (1973), Magnetic control of the near equatorial neutral thermosphere, J. Geophys. Res., 78, 1688-1691.
6. Hedin, A. E., et al. (1991), Revised global model of thermosphere winds using satellite and ground-based observations, J. Geophys. Res., 96, 7657-7688.
7. Huang, Y-N., and M. Cheng (1996), Solar cycle variations of the equatorial ionospheric anomaly in total electron content in the asian region, J. Geophys. Res., 101, 24, 513-24, 520.
8. Jacchia, L. G., and J. W. Slowey (1968), Diurnal and seasonal latitudinal variations in the upper atmosphere, Planet. Space Sci., 16, 509-524.
9. Kawamura, S., Y. Otsuka, S.-R. Zhang, S. Fukao, and W. L. Oliver (2000), A climatology of middle and upper atmosphere radar observations of thermospheric winds, J. Geophys. Res., 105, 12,777-12,788.
10. King-Hele, D. G., and D. M. C. Walker (1969), Air density at a height of 470 km between January 1967 and May 1968, from the orbit of the satellite 1966-118A, Planet. Space Sci., 17, 197-215.
11. Liu, H., H. Lühr, V. Henize, and W. Köhler (2005), Global distribution of the thermospheric total mass density derived from CHAMP, J. Geophys. Res., 110, A04301, doi:10.1029/2004JA010741.
12. Liu, H., H. Lühr, S. Watanabe, W. Köhler, V. Henize, and P. Visser (2006), Zonal winds in the equatorial upper thermosphere: Decomposing the solar flux, geomagnetic activity, and seasonal dependencies, J. Geophys. Res., 111, A07307, doi:10.1029/2005JA011415.
13. Liu, L., and W. Wan (2001), The evolution of equatorial trough of ionospheric f-region ionization, Terr. Atmos. Oceanic Sci., 12, 559-565.
14. Liu, L., W. Wan, B. Ning, O. M. Pirog, and V. I. Kurkin (2006), Solar activity variations of the ionospheric peak electron density, J. Geophys. Res., 111, A08304, doi:10.1029/2006JA011598.
15. Mayr, H. G., A. E. Hedin, C. A. Reber, and G. R. Carignan (1974), Global characteristics in the diurnal variations of the thermospheric temperature and composition, J. Geophys. Res., 79, 619-628.
16. Mendillo, M., C.-L. Huang, X. Pi, H. Rishbeth, and R. Meier (2005), The global ionospheric asymmetry in total electron content, J. Atmos. Sol. Terr. Phys., 67, 1377-1387.
17. Moore, P. (1983), The semi-annual variation in air density for 1974-1978 from the orbit of 1972-05b, Planet. Space Sci., 31, 1501-1515.
18. Philbrick, C. R., and J. P. McIsaac (1972), Measurements of atmospheric composition near 400 km, Space Res., 12, 743-750.
19. Picone, J. M., A. E. Hedin, D. P. Drob, and A. C. Aikin (2002), NRLMSISE-00 empirical model of the atmosphere: Statistical comparisons and scientific issues, J. Geophys. Res., 107(A12), 1468, doi:10.1029/ 2002JA009430.
20. Raghavarao, R., L. E. Wharton, N. W. Spencer, H. G. Mayr, and L. H. Brace (1991), An equatorial temperature and wind anomaly (ETWA), Geophys. Res. Lett., 18, 1193-1196.
21. Raghavarao, R., W. R. Hoegy, N. W. Spencer, and L. E. Wharton (1993), Neutral temperature anomaly in the equatorial thermosphere: A source of vertical winds, Geophys. Res. Lett., 20, 1023-1026.
22. Rishbeth, H. (2000), The equatorial f-layer: Progress and puzzles, Ann. Geophys., 18, 730-739.
23. Roble, R. G., E. C. Ridley, and R. E. Dickinson (1987), On the global mean structure of the thermosphere, J. Geophys. Res., 92, 8745-8758.
24. Sharma, R. P., and E. J. Hewens (1976), A study of the equatorial anomaly at American longitudes during sunspot minimum, J. Atmos. Terr. Phys., 38, 475-484.
25. Sorbo, M., F. Soraas, K. Aarsnes, K. Oksavik, and D. S. Evans (2006), Latitude distribution of vertically precipitating energetic neutral atoms observed at low altitudes, Geophys. Res. Lett. 33, L06108, doi:10.1029/2005GL025240.
26. Thomas, L. (1968), The F2-region equatorial anomaly during solstice periods at sunspot maximum, J. Atmos. Terr. Phys., 30, 1631-1640.
27. Tinsley, B. A. (1981), Neutral atom precipitation - A review, J. Atmos. Terr. Phys., 43, 617-632.
28. Tsai, H.-F., J.-Y. Liu, W.-H. Tsai, C-H. Liu, C-L. Tseng, and C-C Wu (2001), Seasonal variations of the ionospheric total electron content in Asian equatorial anomaly regions, J. Geophys. Res., 106, 30,363-30,369.
29. Walker, G. O., J. H. K. Ma, and E. Golton (1994), The equatorial ionospheric anomaly in electron content from solar minimum to solar maximum for South East Asia, Ann. Geophys., 12, 195-209.
30. Zhao, B., W. Wan, L. Liu, X. Yue, and S. Venkatraman (2005), Statistical characteristics of the total ion density in the topside ionosphere during the period 19 96-20 04 using empirical orthogonal function (EOF) analysis, Ann. Geophys., 23, 3615-3631.