Shear flow effects at the onset of equatorial spread F

Journal of Geophysical Research: Space Physics

Volumn 111, Issue 11, 2006, Pages

  Hysell, D L ^a   Larsen, M F ^b   Swenson, C M ^c   Wheeler, T F ^d  

^a Institute for the Study of the Continents   (United States)

^b CLEMSON UNIVERSITY   (United States)

^c Utah State University   (United States)

^d The Pennsylvania State University   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 33947502554     PISSN: None     EISSN: 21699402     Source Type: Journal    
DOI: 10.1029/2006JA011963     Document Type: Article

References (34)

1. Bilitza, D. (2000), International Reference Ionosphere 2000, Radio Sci., 36, 261.
2. Daniell, R. E., L. D. Brown, D. N. Anderson, M. W. Fox, P. H. Doherty, D. T. Decker, J. J. Sojka, and R. W. Schunk (1995), PIM: A global parameterization based on first principles models, Radio Sci., 30, 1499.
3. Eccles, J. V., N. Maynard, and G. Wilson (1999), Study of the evening drift vortex in the low-latitude ionosphere using San Marco electric field measurements, J. Geophys. Res., 104, 28,133.
4. Haerendel, G. (1973), Theory of equatorial spread F, Max-Planck Inst. für Phys. und Astrophys., Garching, Germany.
5. Haerendel, G., and J.V. Eccles (1992), The role of the equatorial electrojet in the evening ionosphere, J. Geophys. Res., 97, 1181.
6. Haerendel, G., J. V. Eccles, and S. Cakir (1992), Theory for modeling the equatorial evening ionosphere and the origin of the shear in the horizontal plasma flow, J. Geophys. Res., 97, 1209.
7. Hedin, A. E. (1991), Extension of the MSIS theromspheric model into the lower and middle atmosphere, J. Geophys. Res., 96, 1159.
8. Hedin, A. E., et al. (1996), Empirical wind model for the upper, middle, and lower atmosphere, J. Atmos. Terr. Phys., 58, 1421.
9. Hysell, D. L., and J. Burcham (1998), JULIA radar studies of equatorial spread F, J. Geophys. Res., 103, 29,155.
10. Hysell, D. L., and E. Kudeki (2004), Collisional shear instability in the eqautorial F region ionosphere, J. Geophys. Res., 109, A11301, doi:10.1029/2004JA010636.
11. Hysell, D. L., J. L. Chau, and C. G. Fesen (2002), Effects of large horizontal winds on the equatorial electrojet, J. Geophys. Res., 107(A8), 1214, doi:10.1029/2001JA000217.
12. Hysell, D. L., J. Chun, and J. L. Chau (2004), Bottom-type scattering layers and equatorial spread F, Ann. Geophys., 22, 4061.
13. Hysell, D. L., E. Kudeki, and J. L. Chau (2005a), Possible ionospheric preconditioning by shear flow leading to equatorial spread F, Ann. Geophys., 23, 2647.
14. Hysell, D. L., M. F. Larsen, C. M. Swenson, A. Barjatya, T. F. Wheeler, M. F. Sarango, R. F. Woodman, and J. L. Chau (2005b), Onset conditions for equatorial spread F determined during EQUIS II, Geophys. Res. Lett., 32, L24104, doi:10.1029/2005GL024743.
15. Hysell, D. L., M. F. Larsen, C. M. Swenson, A. Barjatya, T. F. Wheeler, T. W. Bullett, R. F. Woodman, M. F. Sarango, J. L. Chau, and D. Sponseller (2006), Rocket and radar investigation of background electrodynamics and bottom-type scattering layers at the onset of equatorial spread F, Ann. Geophys., 41, 1387.
16. Kelley, M. C. (1989), The Earth's Ionosphere, Elsevier, New York.
17. Kelley, M. C., M. F. Larsen, and C. La Hoz (1981), Gravity wave interaction of equatorial spread F: A case study, J. Geophys. Res., 86, 9087.
18. Keskinen, M. J., H. G. Mitchell, J. A. Fedder, P. Satyanarayana, S. T. Zalesak, and J. D. Huba (1988), Nonlinear evolution of the Kelvin-Helmholtz instability in the high-latitude ionosphere, J. Geophys. Res., 93, 137.
19. Kil, H., and R. A. Heelis (1998), Global distribution of density irregularities in the equatorial ionosphere, J. Geophys. Res., 103, 407.
20. Kudeki, E., and S. Bhattacharyya (1999), Post-sunset vortex in equatorial F-region plasma drifts and implications for bottomside spread- F, J. Geophys. Res., 104, 28,163.
21. Kudeki, E., B. G. Fejer, D. T. Farley, and H. M. Ierkic (1981), Interferometer studies of equatorial F region irregularities and drifts, Geophys. Res. Lett., 8, 377.
22. Larsen, M. F., and C. D. Odom (1997), Observations of altitudinal and latitudinal E-region neutral wind gradients near sunset at the magnetic equator, Geophys. Res. Lett., 24, 1711.
23. McClure, J. P., S. Singh, D. K. Bambogye, F. S. Johnson, and H. Kil (1998), Occurrence of equatorial F region irregularities: Evidence for tropospheric seeding, J. Geophys. Res., 103, 29,119.
24. Preble, A. J., D. N. Anderson, B. G. Fejer, and P. H. Doherty (1994), Comparison between calculated and observed F region electron density profiles at Jicamarca, Peru, Radio Sci., 32, 857.
25. Raghavarao, R., S. P. Gupta, R. Sekar, R. Narayanan, J. N. Desai, R. Sridharan, V. V. Babu, and V. Sudhakar (1987), In situ measurements of winds, electric fields and electron densities at the onset of equatorial spread F, J. Atmos. Terr. Phys., 49, 485.
26. Richmond, A. D. (1972), Numerical model of the equatorial electrojet, Tech. Rep. AFCRL-72-0668, ERP 421, Air Force Cambridge Research Lab., Hanscom Air Force Base, Bedford, Mass.
27. Röttger, J. (1973), Wavelike structures of large scale equatorial spread F irregularities, J. Atmos. Terr. Phys., 35, 1195.
28. Shume, E. B., D. L. Hysell, and J. L. Chau (2005), Zonal wind velocity profiles in the equatorial electrojet derived from phase velocities of type II radar echoes, J. Geophys. Res., 110, A12308, doi:10.1029/2005JA011210.
29. Singh, S., F. S. Johnson, and R. A. Power (1997), Gravity wave seeding of equatorial plasma bubbles, J. Geophys. Res., 102, 7399.
30. Sipler, D. P., M. A. Biondi, and R. G. Roble (1983), F-region neutral winds and temperatures at equatorial latitudes: Measured and predicted behavior during geomagnetically quiet conditions, Planet. Space Sci., 31, 53.
31. Sultan, P. J. (1996), Linear theory and modeling of the Rayleigh-Taylor instability leading to the occurrence of equatorial spread F, J. Geophys. Res., 101, 26,875.
32. Tsunoda, R. T. (2005), On the enigma of day-to-day variability in equatorial spread F, Geophys. Res. Lett., 32, L08103, doi:10.1029/2005GL022512.
33. Tsunoda, R. T., and B. R. White (1981), On the generation and growth of equatorial backscatter plumes: 1. Wave structure in the bottomside F layer, J. Geophys. Res., 86, 3610.
34. Tsunoda, R. T., R. C. Livingston, and C. L. Rino (1981), Evidence of a velocity shear in bulk plasma motion associated with the post-sunset rise of the equatorial F layer, Geophys. Res. Lett., 8, 807.