Nighttime D-region equivalent electron density determined from tweek sferics observed in the South Pacific Region

Earth, Planets and Space

Volumn 61, Issue 7, 2009, Pages 905-911

  Kumar, Sushil ^a   Deo, Anil ^b   Ramachandran, V ^a  

^a UNIVERSITY OF THE SOUTH PACIFIC   (Fiji)

^b School of Applied Science   (Fiji)

Author keywords

Earth ionosphere waveguide; Equivalent electron densities; Reflection heights; Tweek atmospherics

Indexed keywords

ATMOSPHERIC ELECTRICITY; ELECTRON DENSITY; ESTIMATION METHOD; IONOSPHERE; LIGHTNING; MODELING; OBSERVATIONAL METHOD;

FIJI; MELANESIA; PACIFIC ISLANDS; PACIFIC OCEAN; PACIFIC OCEAN (SOUTH); SUVA; VITI LEVU;

EID: 70549083901     PISSN: 13438832     EISSN: None     Source Type: None    
DOI: 10.1186/BF03353201     Document Type: Article

References (19)

1. Budden, K. G., Radio Waves in the ionosphere, Cambridge University Press, New York, 1961.
2. Cummer, S. A. and U. S. Inan, Ionospheric E region remote sensing with ELF radio atmospherics, Radio Sci., 35, 1437-1444,2000.
3. Cummer, S. A., U. S. Inan, and T. F. Bell, Ionospheric D region remote sensing using VLF radio atmospherics, Radio Sci., 33,1781-1792, 1998.
4. Danilov, A. D., Solar cycle variations of the D-region ionosphere, Ann. Geophys.,25, 1527-1533, 1998.
5. Dowden, R. L., J. B. Bruendell, and C. J. Rodger, VLF lightning location by time of group arrival (TOGA) at multiple sites, J. Atmos. Sol.-Terr. Phys., 64,817-830, 2002.
6. Ferencz, O. E., Cs. Ferencz, P. Steinbach, J. Lichtenberger, D. Hamar, M. Parrot, F. Lefeuvre, and J. J. Berthelier, The effects of subionospheric propagation on whistlers recorded by the DEMETER satellite- observation and modeling, Ann. Geophys., 25, 1103-1112,2007
7. Hayakawa, M., K. Ohta, and K. Baba, Wave characteristics of tweek atmospherics deduced from the direction-finding measurement and theoretical interpretation,J. Geophys. Res., 99, 10,733-10,743, 1994.
8. Hughes, H. G., R. J. Gallenburger, and R. A. Pappert, Evaluation of nighttime exponential ionospheric models using VLF atmospherics, Radio Sci.,9,1109-1116, 1974.
9. Kumar, S., A. Kishore, and V. Ramachandran, Higher harmonic tweek sferics observed at low latitude: Estimation of VLF reflection heights and tweeks propagation distance, Ann. Geophys., 25, 1451-1459,2008.
10. McRae, W. M. and N. R. Thomson, Solar flare induced ionospheric Dregion enhancements from VLF phase and amplitude observations, J. Atmos. Sol.-Terr. Phys., 66,77-87,2004.
11. Ohya, H., M. Nishino, Y Murayama, and K. Igarashi, Equivalent electron densities at reflection heights of tweek atmospherics in the low-middle latitude D-region ionosphere, Earth Planets Space, 55,627-635, 2003. (Pubitemid 40841131)
12. Ohya, H., M. Nishino, Y. Murayama, K. Igarashi, and A. Saito, Using tweek atmospherics to measure the response of the low-middle latitude D-region ionosphere to a magnetic storm, J. Atmós. Sol.-Terr. Phys., 68, 697-709,2006. (Pubitemid 43316653)
13. Ohya, H-, K. Shiokawa, and Y Miyoshi, Development of an automatic procedure to estimate the reflection height of tweek atmospherics, Earth Planets Space, 60,837-843,2008.
14. Ratcliffe, J. A., The magneto-ionic theory and its applications to the ionosphere, Cambridge University Press, Cambridge, 1959.
15. Rodger, C. J., S. W. Werner, J. B. Brundell, N. R. Thomson, E. H. Lay, R. H. Holzworth, and R. L. Dowden, Detection efficiency of the VLF World-Wide Lightning Location Network (WWLLN): Initial case study, Ann. Geophys., 24, 3197-3214, 2006.
16. Shvets, A. V. and M. Hayakawa, Polarization effects for tweek propagation, J. Atmos. Sol.-Terr. Phys., 60,461-469,1998.
17. Thomson, N. R., M. A. Clilverd, and W. M. McRae, Nighttime D region parameters from VLF amplitude and Phase, J. Geophys. Res., 112, A07304, doi:10.1029/2007JA01227, 2007.
18. Wait, J. R. and K. P. Spies, Characteristics of the Earth-ionosphere waveguide for VLF radio waves, NBS Tech. Not., 300 pp., 1964.
19. Yamashita, M., Propagation of tweek atmospherics, J. Atmos. Terr. Phys., 40, 151-156, 1978.