On the nature of radar echoes below 95 km during counter streaming in the equatorial electrojet

Geophysical Research Letters

Volumn 26, Issue 17, 1999, Pages 2717-2720

  Tsunoda, Roland T ^a   Ecklund, Warner L ^b  

^a SRI INTERNATIONAL   (United States)

^b SRI International ^*

Author keywords

[No Author keywords available]

Indexed keywords

ACOUSTIC WAVE BACKSCATTERING; ELECTRIC CURRENTS; ELECTRIC FIELDS; PLASMA DENSITY; PLASMA TURBULENCE; ATMOSPHERIC ELECTRICITY; PLASMA DIAGNOSTICS; PLASMA STABILITY;

ELECTROJET; GRADIENT DRIFT STABILITY; RADAR ECHOES; EQUATORIAL ELECTROJET; GRADIENT-DRIFT INSTABILITY; PLASMA STRUCTURE; SEED STRUCTURE; WESTWARD CURRENT;

DOPPLER RADAR; RADAR;

ELECTROJET;

EID: 0033373382     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/1999GL900563     Document Type: Article

References (17)

1. Balsley, B.B., Some characteristics of non-two-stream irregularities in the equatorial electrojet, J. Geophys. Res., 74, 2333, 1969.
2. Balsley, B.B., A. Rey, and R.F. Woodman, On the plasma instability mechanisms responsible for Esq, J. Geophys. Res., 81, 1391, 1976.
3. Chapin E., and E. Kudeki, Radar interferometric imaging studies of long-duration meteor echoes observed at Jicamarca, J. Geophys. Res., 99, 8937, 1994.
4. Fejer, B.G., D.T. Farley, B.B. Balsley, and R.F. Woodman, Vertical structure of the VHF backscattering region in the equatorial electrojet and the gradient drift instability, J. Geophys. Res., 80, 1313, 1975.
5. Fejer, B.G., D.T. Farley, B.B. Balsley, and R.F. Woodman, Radar observations of two-dimensional turbulence in the equatorial electrojet, 2, J. Geophys. Res., 81, 130, 1976a.
6. Fejer, B.G., D.T. Farley, B.B. Balsley, and R.F. Woodman, Radar studies of anomalous velocity reversals in the equatorial ionosphere, J. Geophys. Res., 81, 4621, 1976b.
7. Gurevich, A.V., N.D. Borisov, and K.P. Zybin, Ionospheric turbulence induced in the lower part of the E region by the turbulence of the neutral atmosphere, J. Geophys. Res., 102, 379, 1997.
8. Hysell, D.L., M.F. Larsen, and R.F. Woodman, JULIA radar studies of electric fields in the equatorial electrojet, Geophys. Res. Lett., 24, 1687, 1997.
9. Kudeki, E., B.G. Fejer, D.T. Farley, and C. Hanuise, The Condor equatorial electrojet campaign: Radar results, J. Geophys. Res., 92, 13, 561, 1987.
10. Lehmacher, G.A., R.A. Goldberg, F.J. Schmidlin, C.L. Croskey, J.D. Mitchell, and W.E. Swartz, Electron density fluctuations in the equatorial mesosphere: Neutral turbulence or plasma instabilities?, Geophys. Res. Lett., 24, 1715, 1997.
11. Pfaff, R.F., M.C. Kelley, B.G. Fejer, N.C. Maynard, L.H. Brace, B.G. Ledley, L.G. Smith, and R.F. Woodman, Comparative in situ studies of the unstable day-time equatorial E region, J. Atmos. Terr. Phys., 47, 791, 1985.
12. Prakash, S., B.H. Subbaraya, H.S.S. Sinha, and T.R. Rao, Ionization irregularities in the E region during counter electrojet, Space Res., 16, 401, 1976.
13. Rastogi, R.G., Equatorial sporadic E and the electric field, J. Atmos. Terr. Phys., 35, 361, 1973.
14. Sudan, R.N., J. Akinrimisi, and D.T. Farley, Generation of small-scale irregularities in the equatorial electrojet, J. Geophys. Res., 78, 240, 1973.
15. Tabbagh, J., D.A. Carter, B.B. Balsley, P. Broche, and M. Crochet, Irregularity drift velocities in the equatorial electrojet observed by both the close-spaced antenna technique and the Doppler radar method, J. Atmos. Terr. Phys., 39, 1035, 1977.
16. Tsunoda, R.T., and W.L. Ecklund, Diurnal behavior of radar echoes from the equatorial electrojet and 150-ktn altitude over Pohapei, J. Geophys. Res., submitted, 1999a.
17. Tsunoda, R.T., and W.L. Ecklund, Role of vertical electron and ion drifts in the east-west asymmetry of type-2 echoes from the equatorial electrojet, Geophys. Res. Lett., submitted, 1999b.