Wind dynamo effects on ground magnetic perturbations and vertical drifts

Journal of Geophysical Research: Space Physics

Volumn 113, Issue 11, 2008, Pages

  Fang, T W ^a,b   Richmond, A D ^a   Liu, J Y ^b   Maute, A ^a  

^a NATIONAL CENTER FOR ATMOSPHERIC RESEARCH   (United States)

^b NATIONAL CENTRAL UNIVERSITY   (Taiwan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 58749110199     PISSN: None     EISSN: 21699402     Source Type: Journal    
DOI: 10.1029/2008JA013513     Document Type: Article

References (40)

1. Alken, P., and S. Maus (2007), Spatio-temporal characterization of the equatorial electrojet from CHAMP, Orsted, and SAC-C satellite magnetic measurements, J. Geophys. Res., 112, A09305, doi:10.1029/2007JA012524.
2. Anandarao, B. G., and R. Raghavarao (1987), Structural changes in the currents and fields of the equatorial electrojet due to zonal and meridional winds, J. Geophys. Res., 92, 2514-2526, doi: 10.1029/JA092iA03p02514.
3. Anderson, D., A. Anghel, K. Yumoto, M. Ishitsuka, and E. Kudeki (2002), Estimating daytime vertical ExB drift velocities in the equatorial F-region using ground-based magnetometer observations, Geophys. Res. Lett., 29(12), 1596, doi:10.1029/2001GL014562.
4. Anderson, D., A. Anghel, J. L. Chau, and O. Veliz (2004), Daytime vertical ExB drift velocities inferred from ground-based magnetometer observations at low latitudes, Space Weather, 2, S11001, doi: 10.1029/2004SW000095.
5. Anderson, D., A. Anghel, J. L. Chau, and K. Yumoto (2006), Global, low-latitude, vertical ExB drift velocities inferred from daytime magnetometer observations, Space Weather, 4, S08003, doi: 10.1029/2005SW000193.
6. Bartels, J., and H. F. Johnston (1940), Geomagnetic tides in horizontal intensity at Huancayo, Part II, J. Geophys. Res., 45, 485-512, doi:10.1029/TE045i004p00485.
7. Dickinson, R. E., E. C. Ridley, and R. G. Roble (1984), Thermospheric general circulation with coupled dynamics and composition, J. Atmos. Sci., 41, 205-219, doi:10.1175/1520-0469(1984)04〈0205:TGCWCD〉 2.0.CO;2.
8. Doumouya, V., J. Vassal, Y. Cohen, O. Fambitakoye, and M. Menvielle (1998), Equatorial electrojet at African longitudes: First results from magnetic measurements, Ann. Geophys., 16, 658-676, doi:10.1007/S00585-998-0658-9.
9. Doumouya, V., Y. Cohen, B. R. Arora, and K. Yumoto (2003), Local time and longitude dependence of the equatorial electrojet magnetic effects, J. Atmos. Sol. Terr. Phys., 65, 1265-1282, doi: 10.1016/j.jastp.2003.08.014.
10. Doumbia, V., A. Maute, and A. D. Richmond (2007), Simulation of equatorial electrojet magnetic effects with the thermosphere-ionosphere- electrodynamics general circulation model, J. Geophys. Res., 112, A09309, doi:10.1029/2007JA012308.
11. Egedal, J. (1947), The magnetic diurnal variation of the horizontal force near the magnetic equator, Terr. Magn. Atmos. Electr., 52, 449-451, doi: 10.1029/TE052i004p00449.
12. Fambitakoye, O., P. N. Mayaud, and A. D. Richmond (1976), Equatorial electrojet and regular daily variations SR-III. Comparison of observations with a physical model, J. Atmos. Terr. Phys., 38, 113-121, doi:10.1016/0021-9169(76)90118-5.
13. Fang, T. W., A. D. Richmond, J. Y. Liu, A. Maute, C. H. Lin, C. H. Chen, and B. Harper (2008), Model simulation of the equatorial electrojet in the Peruvian and Philippine sectors, J. Atmos. Sol. Terr. Phys., in press.
14. Fejer, B. G., J. W. Jensen, and S.-Y. Su (2008), Quiet time equatorial F region vertical plasma drift model derived from ROCSAT-I observations, J. Geophys. Res., 113, A05304, doi:10.1029/2007JA012801.
15. Forbes, J. M. (1981), The equatorial electrojet, Rev. Geophys., 19(3), 469-504, doi:10.1029/RG019i003p00469.
16. Gagnepain, J., M. Crochet, and A. D. Richmond (1977), Comparison of equatorial electrojet models, J. Atmos. Terr. Phys., 39, 1119-1124, doi: 10.1016/0021-9169(77)90020-4.
17. Gouin, P., and P. N. Mayaud (1967), A propos de l'existens possible, d'un contrelectrojet aux latitudes magnetiques equatoriales, Ann. Geophys., 23, 41-41.
18. Hagan, M. E., and J. M. Forbes (2002), Migrating and nonmigrating diumal tides in the middle and upper atmosphere excited by tropospheric latent heat release, J. Geophys. Res., 107(D24), 4754, doi:10.1029/2001JD001236.
19. Hagan, M. E., and J. M. Forbes (2003), Migrating and nonmigrating semidiurnal tides in the upper atmosphere excited by tropospheric latent heat release, J. Geophys. Res., 108(A2), 1062, doi:10.1029/2002JA009466.
20. Heelis, R. A. (2004), Electrodynamics in the low and middle latitude ionosphere: A tutorial, J. Atmos. Sol. Terr. Phys., 66, 825-838, doi:10.1016/j.jastp.2004.01.034.
21. Jadhav, G., M. Rajaram, and R. Rajaram (2002), A detailed study of equatorial electrojet phenomenon using Ørsted satellite observations, J. Geophys. Res., 107(A8), 1175, doi:10.1029/2001JA000183.
22. Klimenko, M. V., V. V. Klimenko, and V. V. Bryukhanov (2007), Numerical modeling of the equatorial electrojet UT-variation on the basis of the model GSM TIP, Adv. Radio Sci., 5, 385-392.
23. Lühr, H., and S. Maus (2006), Direct observation of the F region dynamo currents and the spatial structure of the EEJ by CHAMP, Geophys. Res. Lett., 33, L24102, doi:10.1029/2006GL028374.
24. Lühr, H., S. Maus, and M. Rother (2004), Noon-time equatorial electrojet: Its spatial features as determined by the CHAMP satellite, J. Geophys. Res., 109, A01306, doi:10.1029/2002JA009656.
25. Manoj, C., H. Lühr, S. Maus, and N. Nagarajan (2006), Evidence for short spatial correlation lengths of the noontime equatorial electrojet inferred from a comparison of satellite and ground magnetic data, J. Geophys. Res., 11, A11312, doi:10.1029/2006JA011855.
26. Maus, S., P. Alken, and H. Lühr (2007), Electric fields and zonal winds in the equatorial ionosphere inferred from CHAMP satellite magnetic measurements, Geophys. Res. Lett., 34, L23102, doi: 10.1029/2007GL030859.
27. Onwumechili, C. A. (1992), A study of rocket measurements of ionospheric currents-I. General setting and night-time ionospheric currents, Geophys. J. Int., 108, 647-659, doi:10.1111/j.1365-246X.1992.tb04644.x.
28. Onwumechili, C. A. (1997), The Equatorial Electrojet, Gordon and Breach Sci., Amsterdam.
29. Raghavarao, R., and B. G. Anandarao (1980), Vertical winds: A plausible cause for the equatorial counter-electrojet, Geophys. Res. Lett., 7, 357360, doi:10.1029/GL007i005p00357.
30. Rastogi, R. G. (1974), Westward equatorial electrojet during daytime hours, J. Geophys. Res., 79, 1503-1512, doi:10.1029/JA079i010p01503.
31. Rastogi, R. G. (1989), The equatorial electrojet: Magnetic and ionospheric effects, in Geomagnetism, vol. 3, edited by J. Jacobs, pp. 461-525, Academic, New York.
32. Rastogi, R. G., T. Kitamura, and K. Kitamura (2004), Geomagnetic field variations at the equatorial electrojet station in Sri Lanka, Peredinia, Ann. Geophys., 22, 2729-2739.
33. Reddy, C. A. (1989), The equatorial electrojet, Pure Appl. Geophys., 131(3), 485-508, doi:10.1007/BF00876841.
34. Richards, P. C., J. A. Fennelly, and D. G. Torr (1994), EUVAC: A solar EUV flux model for aeronomic calculations, J. Geophys. Res., 99, 8981 8992, doi:10.1029/94JA00518.
35. Richmond, A. D. (1973), Equatorial electrojet - I. Development of a model including winds and instabilities, J. Atmos. Terr. Phys., 35(6), 1083-1103, doi:10.1016/0021-9169(73)90007-X.
36. Richmond, A. D. (1974), The computation of magnetic effects of field aligned magnetospheric currents, J. Atmos. Terr. Phys., 36(2), 245252, doi: 10.1016/0021 -9169(74)90044-0.
37. Richmond, A. D. (1995), Ionospheric electrodynamics using magnetic apex coordinates, J. Geomagn. Geoelectr., 47, 191-212.
38. Richmond, A. D., E. C. Ridley, and R. G. Roble (1992), A thermosphere/ ionosphere general circulation model with coupled electrodynamics, Geophys. Res. Lett., 19(6), 601-604, doi:10.1029/92GL00401.
39. Roble, R. G., E. C. Ridley, A. D. Richmond, and R. E. Dickinson (1988), A coupled thermosphere/ionosphere general circulation model, Geophys. Res. Lett, 15, 1325-1328, doi:10.1029/GL015i012p01325.
40. Ronchi, C., P. L. Similon, and R. N. Sudan (1989), A nonlocal linear theory of the gradient drift instability in the equatorial electrojet, J. Geophys. Res., 94, 1317-1326, doi:10.1029/JA094iA02p01317.