Rocket and radar investigation of background electrodynamics and bottom-type scattering layers at the onset of equatorial spread F

Annales Geophysicae

Volumn 24, Issue 5, 2006, Pages 1387-1400

  Hysell, D L ^a   Larsen, M F ^b   Swenson, C M ^c   Barjatya, A ^c   Wheeler, T F ^d   Bullett, T W ^e   Sarango, M F ^f   Woodman, R F ^f   Chau, J L ^f   Sponseller, D ^g  

^a Department of Obstetrics Gynecology   (United States)

^b CLEMSON UNIVERSITY   (United States)

^c Utah State University   (United States)

^d The Pennsylvania State University   (United States)

^e AIR FORCE RESEARCH LABORATORY   (United States)

^f INSTITUTO GEOFÍSICO DEL PERÚ   (Peru)

^g Kwajalein Range Services   (Marshall Islands)

Author keywords

[No Author keywords available]

Indexed keywords

ELECTRODYNAMICS; ELECTRON DENSITY; EQUATORIAL DYNAMICS; IONOSPHERE; PLASMA; RADAR; SCATTERING; SHEAR FLOW; WIND PROFILE;

KWAJALEIN ATOLL; MARSHALL ISLANDS; MICRONESIA; PACIFIC ISLANDS; PACIFIC OCEAN;

EID: 33751080109     PISSN: 09927689     EISSN: 14320576     Source Type: Journal    
DOI: 10.5194/angeo-24-1387-2006     Document Type: Article

References (35)

1. Anandarao, B. G., Raghavararao, R., Desai, J. N., and Haerendel, G.: Vertical winds and turbulence over Thumba, J. Atmos. Terr. Phys., 40, 157-163, 1978.
2. Bowles, K. L., Ochs, G. R., and Green, J. L.: On the absolute intensity of incoherent scatter echoes from the ionosphere, J. of Res. NBS - D. Rad. Prop., 66D, 395, 1962.
3. Close, S., Oppenheim, M. M., Hunt, S., and Dyrud, L. P.: Scattering characteristics of high-resolution meteor head echoes detected at multiple frequencies, J. Geophys. Res., 107, 1295-1306, 2002.
4. Eccles, J. V.: A simple model of low-latitude electric fields, J. Geophys. Res., 103, 26 699-26 708, 1998.
5. Eccles, J. V., Maynard, N., and Wilson, G.: Study of the evening drift vortex in the low-latitude ionosphere using San Marco electric field measurements, J. Geophys. Res., 104, 28 133-28 144, 1999.
6. Farley, D. T., Bonelli, E., Fejer, B. G., and Larsen, M. F.: The prereversal enhancement of the zonal electric field in the equatorial ionosphere, J. Geophys. Res., 91, 13 723-13 728, 1986.
7. Fejer, B. G.: The equatorial ionospheric electric fields. A review, J. Atmos. Terr. Phys., 43, 377-386, 1981.
8. Haerendel, G.: Theory of Equatorial Spread F, Max-Planck Institute für Physik und Astrophysik, Garching, West Germany, preprint, 1973.
9. Haerendel, G. and Eccles, J. V.: The role of the equatorial electrojet in the evening ionosphere, J. Geophys. Res., 97, 1181-1192, 1992.
10. Haerendel, G., Eccles, J. V., and Cakir, S.: Theory for modeling the equatorial evening ionosphere and the origin of the shear in the horizontal plasma flow, J. Geophys. Res., 97, 1209-1223, 1992.
11. Hysell, D. L. and Burcham, J.: JULIA radar studies of equatorial spread F, J. Geophys. Res., 103, 29 155-29 168, 1998.
12. Hysell, D. L. and Kudeki, E.: Collisional shear instability in the eqautorial F region ionosphere, J. Geophys. Res., 109, (A11 301), 2004.
13. Hysell, D. L., Chun, J., and Chau, J. L.: Bottom-type scattering layers and equatorial spread F, Ann. Geophys., 22, 4061-4069, 2004.
14. Hysell, D. L., Kudeki, E., and Chau, J. L.: Possible ionospheric preconditioning by shear flow leading to equatorial spread F, Ann. Geophys., 23, 2647-2655, 2005.
15. Kelley, M. C., Larsen, M. F., and La Hoz, C.: Gravity wave interaction of equatorial spread F: A case study, J. Geophys. Res., 86, 9087-9100, 1981.
16. Keskinen, M. J., Mitchell, H. G., Fedder, J. A., Satyanarayana, P., Zalesak, S. T., and Huba, J. D.: Nonlinear evolution of the Kelvin-Helmholtz instability in the high-latitude ionosphere, J. Geophys. Res., 93, 137-152, 1988.
17. Kil, H. and Heelis, R. A.: Global distribution of density irregularities in the equatorial ionosphere, J. Geophys. Res., 103, 407-418, 1998.
18. Kudeki, E. and Bhattacharyya, S.: Post-sunset vortex in equatorial F-region plasma drifts and implications for bottomside spread-F, J. Geophys. Res., 104, 28 163-28 170, 1999.
19. Kudeki, E., Fejer, B. G., Farley, D. T., and Ierkic, H. M.: Interferometer studies of equatorial F region irregularities and drifts, Geophys. Res. Lett., 8, 377-380, 1981.
20. Larsen, M. F. and Odom, C. D.: Observations of altitudinal and latitudinal E-region neutral wind gradients near sunset at the magnetic equator, Geophys. Res. Lett., 24, 1711-1714, 1997.
21. McClure, J. P., Singh, S., Bambogye, D. K., Johnson, F. S., and Kil, H.: Occurrence of equatorial F region irregularities: Evidence for tropospheric seeding, J. Geophys. Res., 103, 29 119-29 136, 1998.
22. Miller, K. L. and Smith, L. G.: Horizontal structure of midlatitude sporadic E layers observed by incoherent scatter radar, Radio Sci., 10, 271-276, 1975.
23. Miller, K. L. and Smith, L. G.: Incoherent scatter radar observations of irregular structure in mid-latitude sporadic E layers, J. Geophys. Res., 83, 3761-3775, 1978.
24. Pingree, J. E. and Fejer, B. G.: On the height variation of the equatorial F region vertical plasma drifts, J. Geophys. Res., 92, 4763-4766, 1987.
25. Röttger, J.: Wavelike structures of large scale equatorial spread F irregularities, J. Atmos. Terr. Phys., 35, 1195-1206, 1973.
26. Singh, S., Johnson, F. S., and Power, R. A.: Gravity wave seeding of equatorial plasma bubbles, J. Geophys. Res., 102, 7399-7410, 1997.
27. Stenning, R. J.: A two-layer ionospheric dynamo circulation, J. Geophys. Res., 86, 3543-3550, 1981.
28. Sultan, P. J.: Linear theory and modeling of the Rayleigh-Taylor instability leading to the occurrence of equatorial spread F, J. Geophys. Res., 101, 26 875-26 892, 1996.
29. Takeda, M. and Maeda, H.: F region dynamo in the evening - Interpretation of equatorial 1D anomaly found by MAGSAT, J. Atmos. Sol. Terr. Phys., 45, 401-408, 1983.
30. Tsunoda, R. T.: On the enigma of day-to-day variability in equatorial spread F, Geophys. Res. Lett., 32, L08 103, doi:10.1029/2005GL022512, 2005.
31. Tsunoda, R. T. and White, B. R.: On the generation and growth of equatorial backscatter plumes, 1. Wave structure in the bottomside F layer, J. Geophys. Res., 86, 3610-3616, 1981.
32. Tsunoda, R. T., Barons, M. J., Owen, J., and Towle, D. M.: Altair: An incoherent scatter radar for equatorial spread F studies, Radio Sci., 14, 1111-1120, 1979.
33. Tsunoda, R. T., Livingston, R. C., and Rino, C. L.: Evidence of a velocity shear in bulk plasma motion associated with the postsunset rise of the equatorial F layer, Geophys. Res. Lett., 8, 807-810, 1981.
34. Vadas, S. L. and Fritts, D. C.: Thermospheric response to gravity waves arising from mesoscale convective complexes, J. Atmos. Sol. Terr. Phys., 66, 781-804, 2004.
35. Woodman, R. F. and La Hoz, C.: Radar observations of F region equatorial irregularities, J. Geophys. Res., 81, 5447-5466, 1976.