Simultaneous optical and radar signatures of poleward-moving auroral forms

Annales Geophysicae

Volumn 18, Issue 9, 2000, Pages 1054-1066

  Thorolfsson, A ^a   Cerisier, J C ^a,b   Lockwood, M ^c,d   Sandholt, P E ^e   Senior, C ^a   Lester, M ^f  

^a Ctr d'Etud Environnements T   (France)

^b SORBONNE UNIVERSITÉ   (France)

^c UNIVERSITY OF SOUTHAMPTON   (United Kingdom)

^d RUTHERFORD APPLETON LABORATORY   (United Kingdom)

^e UNIVERSITY OF OSLO   (Norway)

^f UNIVERSITY OF LEICESTER   (United Kingdom)

Author keywords

Ionosphere (auroral ionosphere; plasma convection); Magnetospheric physics (magnetopause; cusp and boundary layers)

Indexed keywords

EID: 0034359247     PISSN: 09927689     EISSN: None     Source Type: Journal    
DOI: 10.1007/s00585-000-1054-2     Document Type: Article

References (41)

1. Baker, K. B., and S. Wing, A new magnetic coordinate system for conjugate studies at high latitudes, J. Geophys. Res., 94, 9139-9143, 1989.
2. Baker, K. B., A. S. Rodger, and G. Lu, HF-radar observations of the rate of magnetic merging: A GEM boundary layer campaign study, J. Geophys. Res., 102, 9603-9617, 1997.
3. Chaston, C. C., H. J. Hansen, F. W. Menk, B. J. Fraser, and Y. D. Hu, Ground signatures of convecting reconnected flux tubes, J. Geophys. Res., 98, 19 151-19 161, 1993.
4. Cowley, S. W. H., Excitation of flow in the Earth's magnetosphereionosphere system: observations by incoherent-scatter radar, in Polar cap boundary phenomena, Eds. J. Moen, A. Egeland, and M. Lockwood, vol 509 of NATO ASI series, 127-140, Kluwer, Dordrecht, The Netherlands, 1998.
5. Cowley, S.W.H., and M. Lockwood, Excitation and decay of solar wind-driven flow in the magnetosphere-ionosphere system, Ann. Geophysicae, 10, 103-115, 1992.
6. Cowley, S. W. H., M. P. Freeman, M. Lockwood, and M. F. Smith, The ionospheric signature of flux transfer events, in CLUSTER - dayside polar cusp, Ed. C. I. Barron, ESA SP-330, 105-112, European Space Agency Publications, Nordvijk, The Netherlands, 1991.
7. Denig, W. F., W. J. Burke, N. C. Maynard, F. J. Rich, B. Jacobsen, P. E. Sandholt, A. Egeland, S. Leontjev, and V. G. Vorobjev, Ionospheric signatures of dayside magnetopause transients: A case study using satellite and ground measurements. J. Geophys. Res., 98, 5969-5980, 1993.
8. Farrugia, C. J., M. P. Freeman, S. W. H. Cowley, D. J. Southwood, and M. Lockwood, Pressure-driven magnetopause motions and attendant response on the ground, Planet. Space Sci., 37, 589-607, 1989.
9. Fasel, G. J., J. I. Minow, R. W. Smith, C. S. Deehr, and L. C. Lee, Multiple brightenings of transient dayside auroral forms during oval expansions, Geophys. Res. Lett., 19, 2429-2432, 1992.
10. Fasel, G. J., L. C. Lee, and R. W. Smith, A mechanism for the multiple brightenings of dayside poleward-moving auroral forms, Geophys. Res. Lett., 20, 2247-2250, 1993.
11. Fasel, G. J., J. I. Minow, R. W. Smith, C. S. Deehr, and L. C. Lee, Multiple brightenings of poleward-moving dayside aural forms, in solar wind sources of magnetospheric ultra-low frequency waves, Eds. by M. J. Engebretson, K. Takahashi, and M. Scholer, vol 81 of Geophysical Monograph, pp 201-211, American Geophysical Union, Washington DC, USA, 1994.
12. Fox, N. J., M. Lockwood, S. W. H. Cowley, M. P. Freeman, E. Friis- Christensen, D. K. M. Pinnock, and G. D. Reeves, EISCAT observations of unusual flows in the norming sector associated with weak substorm activity, Ann. Geophysicae, 12, 541-553, 1994.
13. Greenwald, R. A., et al., DARN/SuperDARN: a global view of the dynamics of high-latitude convection, Space Sci. Rev., 71, 761-796, 1995.
14. Heelis, R. A., The effects of interplanetary magnetic field orientation on dayside high-latitude ionospheric convection, J. Geophys. Res., 89, 2873-2880, 1984.
15. Lee, L. C., Z. W. Ma, Z. F. Fu, and A. Otto, Topology of magnetic flux ropes and formation of fossil flux transfer events and boundary layer plasmas, J. Geophys. Res., 98, 3943-3951, 1993.
16. Lockwood, M., The excitation of ionospheric convection, J. Atmos. Terr. Phys., 53, 177-199, 1991.
17. Lockwood, M., Ionospheric signatures of pulsed magnetopause reconnection, in Physical signatures of magnetopause boundary layer processes, Eds. J. A. Holtet and A. Egeland, vol 425 of NATO ASI series, 229-243, Kluwer, Dordrecht, The Netherlands, 1994.
18. Lockwood, M., and M. F. Smith, The variation of reconnection rate at the dayside magnetopause and cusp ion precipitation, J. Geophys. Res., 97, 14,841-14,847, 1992.
19. Lockwood, M., P. E. Sandholt, S. W. H. Cowley, and T. Oguti, Interplanetary magnetic field control of dayside auroral activity and the transfer of momentum across the dayside magnetopause, Planet. Space Sci., 37, 1347-1365, 1989.
20. Lockwood, M., S. W. H. Cowley, P. E. Sandholt, and R. P. Lepping, The ionospheric signatures of flux transfer events and solar wind dynamic pressure changes, J. Geophys. Res., 95, 17 113-17 135, 1990.
21. Lockwood, M., J. Carlson, H. C. and P. E. Sandholt, Implications of the altitude of transient 630-nm dayside auroral emissions, J. Geophys. Res., 98, 15 571-15 587, 1993a.
22. Lockwood, M., J. Moen, S. W. H. Cowley, A. D. Farmer, U. P. Lovhaug, H. Luehr, and V. N. Davda, Variability of dayside convection and motions of the cusp cleft aurora, Geophys. Res. Lett., 20, 1011-1014, 1993b.
23. Lockwood, M., I. W. McCrea, S. E. Milan, J. Moen, J.-C. Cerisier, and A. Thorolfsson, Plasma structure within poleward-moving cusp/cleft auroral transients: EISCAT Svalbard observations and an explanation in terms of large local time extent of events, Ann. Geophysicae, 1999, submitted.
24. Lysak, R. L., Y. Song, and J. C. Grieger, Coupling of the magnetopause to the ionosphere by mease of Alfvén waves and field-aligned currents, in Physics of the magnetopause, Eds. P. Song, B. U. Ö. Sonnerup, and M. F. Thomsen, vol 90 of Geophysical Monograph, pp 385-393, American Geophysical Union, 1995.
25. McCrea, I. W., M. Lockwood, J. Moen, F. Pitout, P. Eglitis, and A. D. Aylward, ESR and EISCAT observations of the response of the cusp and cleft to IMF orientation changes, Ann. Geophysicae, 1999, submitted.
26. McHenry, M. A., and C. R. Clauer, Modeled ground magnetic signatures of flux transfer events, J. Geophys. Res., 92, 11 231-11 240, 1987.
27. Milan, S. E., M. Lester, S. W. H. Cowley, J. Moen, P. E. sandholt, and C. J. Owen, Meridian-scanning photometer, coherent HF radar, and magnetometer observations of the cusp: a case study, Ann. Geophysicae, 17, 159-172, 1999.
28. Moen, J., D. P. E. Sandholt, M. Lockwood, W. F. Denig, U. P. Lovhaug, B. Lybekk, A. Egeland, D. Opsvik, and E. Friis-Christensen, Events of enhanced convection and related dayside auroral activity, J. Geophvs. Res., 100, 23 917-23 934, 1995.
29. Pinnock, M., A. S. Rodger, J. R. Dudeney, K. B. Baker, P. T. Newell, R. A. Greenwald, and M. E. Greenspan, Observations of an enhanced convection channel in the cusp ionosphere, J. Geophvs. Res., 98, 3767-3776, 1993.
30. Pinnock, M., A. S. Rodger, J. R. Dudeney, F. Rich, and K. B. Baker, High spatial and temporal resolution observations of the ionospheric cusp, Ann. Geophvsicae, 13, 919-925, 1995.
31. Pinnock, M., A. S. Rodger, K. B. Baker, G. Lu, and M. Hairston, Conjugate observations of the day-side reconnection electric field: A GEM boundary layer campaign, Ann. Geophysicae, 17, 443-454, 1999.
32. Provan, G., T. K. Yeoman, and S. E. Milan, High spatial and temporal resolution observations of the ionospheric cusps, Ann. Geophysicae, 16, 919-925, 1998.
33. Rodger, A. S., and M. Pinnock, The ionospheric response to flux transfer events: the first few minutes, Ann. Geophysicae, 15, 685-691, 1997.
34. Sandholt, P. E., M. Lockwood, K. S. C. Freeman, T. Oguti, and S. W. H. Cowley, Midday auroral breakup events and related energy and momentum transfer from the magnetosheath, J. Geophys. Res., 95, 1039-1060, 1990.
35. Sandholt, P. E., C. J. Farrugia, J. Moen, Ø. Noraberg, B. Lybekk, T. Sten, and T. Hansen, A classification of dayside auroral forms and activities as a function of interplanetary magnetic field orientation, J. Geophys. Res., 103, 23 325-23 345, 1998a.
36. Sandholt, P. E., C. J. Farrugia, M. Øieroset, P. Stauning, and W. F. Denig, Auroral activity associated with unsteady magnetospheric erosion: observations on December 18, 1990, J. Geophys. Res., 103, 2309-2317, 1998b.
37. Sandholt, P. E., C. J. Farrugia, and B. Lybekk, The dynamic cusp aurora on 30 November 1997: response to southward turning of the IMF, Ann. Geophysicae, 17, 1155-1165, 1999.
38. Sibeck, D. G., Signatures of flux erosion from the dayside magnetosphere, J. Geophys. Res., 99, 8513-8529, 1994.
39. Siscoe, G. L., and T. S. Huang, Polar cap inflation and deflation, J. Geophys. Res., 90, 543-547, 1985.
40. Southwood, D. J., The ionospheric signature of flux transfer events, J. Geophys. Res., 92, 3207-3213, 1987.
41. Wei, C. Q., and L. C. Lee, Ground magnetic signatures of moving elongated plasma clouds, J. Geophys. Res., 95, 2405-2418, 1990.