Large-scale longitudinal variation in ionospheric height and equatorial spread F occurrences observed by ionosondes

Geophysical Research Letters

Volumn 34, Issue 16, 2007, Pages

  Saito, Su ^a   Maruyama, T ^a  

^a NATIONAL INSTITUTE OF INFORMATION AND COMMUNICATIONS TECHNOLOGY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

ATMOSPHERIC ELECTRICITY; ELECTRIC FIELDS; F REGION; IONOSPHERE;

IONOSONDES; PREREVERSAL ENHANCEMENT (PRE);

METEOROLOGY;

ATMOSPHERIC ELECTRICITY; ELECTRIC FIELD; HEIGHT DETERMINATION; IONOSPHERE; LONGITUDINAL GRADIENT;

ASIA; BAC LIEU; CHUMPHON; EURASIA; SOUTHEAST ASIA; SOUTHERN REGION; THAILAND; VIET NAM;

EID: 35948998829     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2007GL030618     Document Type: Article

References (23)

1. Batista, I. S., M. A. Abdu, and J. A. Bittencourt (1986), Equatorial F region vertical plasma drifts: Seasonal and longitudinal asymmetries in the American sector, J. Geophys. Res., 91, 12,055-12,064.
2. Bittencourt, J. A., and M. A. Abdu (1981), A theoretical comparison between apparent and real vertical ionization drift velocities in the equatorial F region, J. Geophys. Res., 86, 2451-2455.
3. Burke, W. J., C. Y. Huang, L. C. Gentile, and L. Bauer (2004), Seasonal-longitudinal variability of equatorial plasma bubbles, Ann. Geophys., 22, 3089-3098, sref:1432-0576/ag/2004-22-3089.
4. Fejer, B. (1997), The electrodynamics of the low-latitude ionosphere: Recent results and future challenges, J. Atmos. Terr. Phys., 59, 1465-1482.
5. Fejer, B. G., E. R. de Paula, L. Scherliess, and I. S. Batista (1996), Incoherent scatter radar, ionosonde, and satellite measurements of equatorial F region vertical plasma drifts in the evening sector, Geophys. Res. Lett., 23, 1733-1736.
6. Fukao, S., T. Yokoyama, T. Tayama, M. Yamamoto, T. Maruyama, and S. Saito (2006), Eastward traverse of equatorial plasma plumes observed with the Equatorial Atmosphere Radar in Indonesia, Ann. Geophys., 24, 1411-1418, sref:1432-0576/ag/2006-24-1411.
7. Hysell, D. L., and E. Kudeki (2004), Collisional shear instability in the equatorial F region ionosphere, J. Geophys. Res., 109, A11301, doi:10.1029/2004JA010636.
8. Hysell, D. L., M. C. Kelley, and W. E. Swartz (1990), Seeding and layering of equatorial spread F by gravity waves, J. Geophys. Res., 95, 17,253-17,260.
9. Jayachandran, B., N. Balan, P. B. Rao, J. H. Sastri, and G. J. Bailey (1993), HF Doppler and ionosonde observations on the onset conditions of equatorial spread F, J. Geophys. Res., 98, 13,741-13,750.
10. Kelley, M. C., M. F. Larsen, C. LaHoz, and J. P. McClure (1981), Gravity wave interaction of equatorial spread F: A case study (1981), J. Geophys. Res., 86, 9087-9100.
11. Lin, C. S., T. J. Immel, H.-C. Yeh, S. B. Mende, and J. L. Burch (2005), Simultaneous observations of equatorial plasma depletion by IMAGE and ROCSAT-1 satellites, J. Geophys. Res., 110, A06304, doi:10.1029/ 2004JA010774.
12. Maruyama, T. (1988), A diagnostic model for equatorial spread F: 1. Model description and application to electric field and neutral wind effects, J. Geophys. Res., 93, 14,611-14,622.
13. Maruyama, T., and M. Kawamura (2006), Equatorial ionospheric disturbance observed through a transequatorial HF propagation experiment, Ann. Geophys., 24, 1401-1409.
14. Maruyama, T., and N. Matuura (1984), Longitudinal variability of annual changes in activity of equatorial spread F and plasma bubbles, J. Geophys. Res., 89, 10,903-10,912.
15. Marayama, T., M. Kawamura, S. Saito, K. Nozaki, H. Kato, N. Hemmakorn, T. Boonchuk, T. Komolmis, and C. Ha Duyen (2007), Low latitude ionospher-thermosphere dynamics studies with ionosonde chain in Southeast Asia, Ann. Geophys., 25, 1569-1577.
16. Otsuka, Y., K. Shiokawa, and T. Ogawa (2006), Equatorial ionospheric scintillations and zonal irregularity drifts observed with closely-spaced GPS receivers in Indonesia, J. Meteorol. Soc. Jpn., 343-351.
17. Röttger, J. (1973), Wave-like structures of large-scale equatorial spread-F irregularities, J. Atmos. Terr. Phys., 35, 1195-1206.
18. Saito, S., and T. Maruyama (2006), Ionospheric height variations observed ionosondes along magnetic meridian and plasma bubble onsets, Ann. Geophys., 24, 2991-2996.
19. 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.
20. Tsunoda, R. T., and W. L. Ecklund (2007), On the post-sunset rise of the equatorial F layer and superposed upwelling and bubbles, Geophys. Res. Lett., 34, L04101, doi:10.1029/2006GL028832.
21. 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, 3610-3616.
22. Weber, E. J., J. Buchau, and J. G. Moore (1980), Airborne studies of equatorial F layer ionospheric irregularities, J. Geophys. Res., 85, 4631-4641.
23. Woodman, R. F. (1970), Vertical drift velocities and east-west electric fields at the magnetic equator, J. Geophys. Res., 75, 6249-6259.