Measurement of the latitudinal distributions of total electron content during equatorial spread F events

Journal of Geophysical Research: Space Physics

Volumn 106, Issue A12, 2001, Pages 29133-29152

  Valladares, C E ^a   Basu, S ^b   Groves, K ^b   Hagan, M P ^a   Hysell, D ^c   Mazzella Jr , A J ^d   Sheehan, R E ^a  

^a BOSTON COLLEGE   (United States)

^b AIR FORCE RESEARCH LABORATORY   (United States)

^c CLEMSON UNIVERSITY   (United States)

^d NORTHWEST RESEARCH ASSOCIATES   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 33749361515     PISSN: None     EISSN: 21699402     Source Type: Journal    
DOI: 10.1029/2000ja000426     Document Type: Article

References (50)

1. Aggson, T. L., N. C. Maynard, W. B. Hanson, and J. L. Saba, Electric field observations of equatorial bubbles, J. Geophys. Res., 97, 2997, 1992.
2. Balan, N., and G. J. Bailey, Equatorial plasma fountain and its effects: Possibility of an additional layer, J. Geophys. Res., 100, 21,421, 1995.
3. Basu, Su, and S. Basu, Equatorial scintillations: Advances since ISEA-6, J. Atmos. Terr. Phys., 47, 753, 1985.
4. Basu, S., et al., Scintillations, plasma drifts, and neutral winds in the equatorial ionosphere after sunset, J. Geophys. Res., 101, 26795, 1996.
5. Bishop, G. J., A. Mazzella, E. Holland, and S. Rao, Algorithms that use the ionosphere to control GPS errors, paper presented at Position Location and Navigation Symposium (PLANS), Inst. of Electr. and Electr. Eng. Piscataway, N. J., 1996.
6. Bishop, G. J., A. J. Mazzella, S. Rao, A. Batchelor, P. Fleming, N. Lunt, and L. Kersley, Validations of the SCORE process, paper presented at ION National Technology Meeting, Inst. of Navig., Alexandria, Va., 1997.
7. Booker, H. G., and H. W. Wells, Scattering of radio waves by the F region of the ionosphere, J. Geophys. Res., 43, 249, 1938.
8. Crain, D.J., R.A. Heelis, G.J. Bailey, and A.D. Richmond, low-latitude plasma drifts from a simulation of the global atmospheric dynamo, J. Geophys. Res., 98, 6039, 1993.
9. Doherty, P.H., P. J. Gendron, R. Loh, and D. N. Anderson, "The spatial and temporal variations in ionospheric range delay", paper presented at the Institute of Navigation GPS-97, Sept. 1997.
10. Farley, D. T., and D. L. Hysell, Radar measurements of very small aspect angles in the equatorial ionosphere, J. Geophys. Res., 101, 5177, 1996.
11. Farley, D. T., B. B. Balsley, R. F. Woodman, and J. P. McClure, Equatorial spread F: Implications of VHF radar observations, J. Geophys. Res., 75, 7199, 1970.
12. Farley, D.T., E. Bonnelli, B.G. Fejer, and M.F. Larsen, The prereversal enhancement of the zonal electric field in the equatorial ionosphere, J. Geophys. Res., 91, 13,723, 1986.
13. Fejer, B.G., E.R. de Paula, S.A. Gonzalez, and R.F. Woodman, Average vertical and zonal F region plasma drifts over Jicamarca, J. Geophys. Res., 96, 13,901, 1991.
14. Fejer, B.G., L. Scherliess, and E.R. de Paula, Effects of the vertical plasma drift velocity on the generation and evolution of equatorial spread F, J. Geophys. Res., 104, 19,859, 1999.
15. Groves, K. M., et al., Equatorial scintillation and systems support, Radio Sci., 32, 2947, 1997.
16. Hanson, W. B., and R. J. Moffett, Ionization transport effects in the equatorial F region J. Geophys. Res., 71, 5559, 1966.
17. Hanson, W. B., S. Sanatani, and T. N. L. Patterson, Influence of the E region dynamo on equatorial spread F, J. Geophys. Res., 88, 3169, 1983.
18. Hanson, W.B., B.L. Cragin, and A. Dennis, The effect of vertical drift on the equatorial F-region stability, J. Atmos. Terr. Phys., 48, 205, 1986.
19. Hanson, W. B., W. R. Coley, R. A. Heelis, and A. Urquhart, Fast equatorial bubbles, J. Geophys. Res., 102, 2039, 1997.
20. Huang, C. Y., W. J. Burke, J. S. Machuzak, L. C. Gentile, and P. J. Sultan, DMSP observations of equatorial plasma bubbles in the topside ionosphere near solar maximum, J. Geophys. Res., 106, 8131, 2001.
21. Hysell, D. L., and J. D. Burcham, JULIA radar studies of equatorial spread F, J. Geophys. Res., 103, 29155, 1998.
22. Hysell, D. L., M.C. Kelley, W. E. Swartz, and R.F. Woodman, Seeding and layering of equatorial spread F by gravity waves, J. Geophys. Res., 95, 17,253, 1990.
23. Jayanchandran, B., N. Balan, P. B. Rao, J. H. Sastri, and G. J. Bailey, HF Doppler and ionosonde observations on the onset conditions of equatorial spread F, J. Geophys. Res., 98, 13,741, 1993.
24. Kelley, M. C., G. Haerendel, H. Kappler, A. Valenzuela, B. B. Balsley, D. A. Carter, W. L. Ecklund, C. W. Carlson, B. Hausler, and R. Torbert, Evidence for a Rayleigh-Taylor type instability and upwelling of depleted density regions during equatorial spread F, Geophys. Res. Lett., 3, 448, 1976.
25. Kelley, M. C., M. F. Larsen, and C. LaHoz, Gravity wave interaction of equatorial spread F: A case study, J. Geophys. Res., 86, 9087, 1981.
26. Kelley, M. C., et al., The Condor equatorial spread F campaign: Overview and results of the large scale measurements, J. Geophys. Res., 91, 5487, 1986.
27. Kelley, M. C., D. Kotsikopoulos, T. Beach, and D. L. Hysell, Simultaneous global positioning system and radar observations of equatorial spread F at Kwajalein, J. Geophys. Res., 101, 2333, 1996.
28. Kudeki, E., B. G. Fejer, D. T. Farley, and H. M. Ierkic, Interferometer studies of equatorial F region irregularities and drifts, Geophys. Res. Lett., 8, 377, 1981.
29. Lunt, N., L. Kersley, G. J. Bishop, and A. J. Mazzella Jr., The contribution of the protonosphere to GPS total electron content: Experimental measurements, Radio Sci., 34, 1273, 1999a.
30. Lunt, N., L. Kersley, G. J. Bishop, A. J. Mazzella Jr., and G. J. Bailey, The protonospheric contribution to GPS total electron content: Two-station measurements. Radio Sci., 34, 1281, 1999b.
31. Maruyama, T., Modeling study of equatorial ionospheric height and spread F occurrence, J. Geophys. Res., 101, 5157, 1996.
32. Maruyama, T., and N. Matuura, Longitudinal variability of annual changes in activity of equatorial spread F and plasma bubbles, J. Geophys. Res., 89, 10,903, 1984.
33. McClure, J.P., W.B. Hanson, and J.H. Hoffman, Plasma bubbles and irregularities in the equatorial ionosphere, J. Geophys. Res., 82, 2650, 1977.
34. Mendillo, M., J. Baumgardner, X. Pi, P.J. Sultan, and R. Tsunoda, Onset conditions for equatorial spread F, J. Geophys. Res., 97, 13,865, 1992.
35. Ossakow, S. L., S. T. Zalesak, B. E. McDonald, and P. K. Chaturvedi, Nonlinear equatorial spread-F: Dependence on altitude of the F peak and bottomside background electron density gradient scale length, J. Geophys. Res., 84, 17, 1979.
36. Pi, X., A. J. Mannucci, U. J. Lindqwister, and C. M. Ho, Monitoring of global ionospheric irregularities using a worldwide GPS network, Geophys. Res. Lett., 24, 2283, 1997.
37. Raghavarao, R., M. Nageshwararao, J. Hanumath Sastri, G. D. Vyas, and M. Sriramarao, Role of equatorial ionization anomaly in the initiation of equatorial spread-F, J. Geophys. Res., 93, 5959, 1988.
38. Sastri, J. H., M. A. Abdu, I. S. Batista, and J. H. A. Sobral, Onset conditions of equatorial (range) spread F at Fortaleza, Brazil, during the June solstice, J. Geophys. Res., 102, 24,013, 1997.
39. Sridharan, R., R. Sekar, and S. Gurubaran, Two-dimensional high-resolution imaging of the equatorial plasma fountain, J. Atmos. Terr. Phys., 55, 1661, 1993.
40. Sridharan, R., D. PallamRaju, R. Raghavarao, and P. V. S. Ramarao, Precursor to equatorial spread-F in OI 630.0 nm dayglow, Geophys. Res. Lett., 21, 2797, 1994.
41. Sultan, P. J., and F. I. Rich, Observations and modeling of the seasonal and longitudinal occurrence pattern of equatorial spread-F, paper presented at Chapman Conference on Space Weather: Progress and Challenges in Research and Applications, AGU, Clearwater, Fa., March 2000.
42. Tsunoda, R. T., On the spatial relationship of 1-m equatorial spread F irregularities and plasma bubbles, J. Geophys. Res., 85, 185, 1980.
43. Tsunoda, R. T., Control of the seasonal and longitudinal occurrence of equatorial scintillations by the longitudinal gradient in the integrated E region Pedersen conductivity, J. Geophys. Res., 90, 447, 1985.
44. Valladares, C.E., W.B. Hanson, J.P. McClure, and B.L. Cragin, Bottomside sinusoidal irregularities in the equatorial F-region, J. Geophys. Res., 88, 8025, 1983.
45. Vladimer, J. A., P. Jastrzebski, M. C. Lee, P. H. Doherty, D. T. Decker, and D. N. Anderson, Longitude structure of ionospheric total electron content at low latitudes measured by the TOPEX/Poseidon satellite, Radio Sci., 34, 1239, 1999.
46. Walker, G. O., J. H. K. Ma, and E. Golton, The equatorial ionospheric anomaly in electron content from solar minimum for South East Asia, Ann. Geophys., 12, 195, 1994.
47. Weber, E. J., et al., Equatorial plasma depletion precursor signatures and onset observed at 11° south of the magnetic equator, J. Geophys. Res., 101, 26,829, 1996.
48. Woodman, R.F., Vertical drift velocities and east-west electric fields at the magnetic equator, J. Geophys. Res., 75, 6249, 1970.
49. Woodman, R.F., and C. LaHoz, Radar observations of F region equatorial irregularities, J. Geophys. Res., 81, 5447, 1976.
50. Zalesak, S. T., and S. L. Ossakow, Nonlinear equatorial spread F: Spatially large bubbles resulting from large horizontal scale initial perturbations, J. Geophys. Res., 85, 2131, 1980.