High-latitude particle precipitation and its relationship to magnetospheric source regions

Space Science Reviews

Volumn 80, Issue 1-2, 1997, Pages 77-107

  Onsager, T G ^a   Lockwood, M ^b  

^a NOAA EARTH SYSTEM RESEARCH LABORATORY   (United States)

^b RUTHERFORD APPLETON LABORATORY   (United Kingdom)

Author keywords

Cusp; Ionosphere; Low Latitude Boundary Layer; Magnetosphere; Mantle; Particle Precipitation; Plasma Sheet; Plasma Sheet Boundary Layer; Polar Rain

Indexed keywords

EID: 0002921363     PISSN: 00386308     EISSN: None     Source Type: Journal    
DOI: 10.1007/978-94-009-0045-5_4     Document Type: Article

References (115)

1. Alem, F. and Delcourt, D.C.: 1995, 'Nonadiabatic Precipitation of Ions at the Cusp Equatorward Edge', J. Geophys. Res. 100, 19,321.
2. Ashour-Abdalla, M., Zelenyi, L.M., Bosqued, J.M., Peroomian, V., Whang, Z., Schriver, D., Richard, R.L.: 1992, 'The formation of the wall region: Consequences in the near Earth magnetotail', Geophys. Res. Lett. 19, 1739.
3. Blanchard, G.T., Lyons, L.R., de la Beaujardiere, O., Doe, R.A., and Mendillo, M.: 1996, 'Measurement of the magnetotail reconnection rate', J. Geophys. Res. 101, 15,265.
4. Bosqued, J. M., Ashour-Abdalla, M., El Alaoui; M., Zelenyi, L.M., and Berthelier, A.: 1993a, 'AUREOL-3 observations of new boundaries in the auroral ion precipitation', Geophys. Res. Lett. 20, 1203.
5. Bosqued, J. M., Ashour-Abdalla, M., El Alaoui, M., Peroomian, V., Zelenyi, L. M., and Escoubet, C. P.: 1993b, 'Dispersed ion structures at the poleward edge of the auroral oval: Low-altitude observations and numerical modeling', J. Geophys. Res., 98 19,181.
6. Burch, J. L.: 1985, 'Quasi-neutrality in the polar cusp', Geophys. Res. Lett. 12, 469.
7. E', J. Geomag. Geoelectr. 48, 615.
8. Cowley, S.W.H.:1982, 'The causes of convection in the Earth's magnetosphere: A review of developments during IMS', Rev. Geophys. 20, 531.
9. Cowley, S.W.H.:1984, 'Solar wind control of magnetospheric convection, in Achievements of the international magnetospheric study', IMS, 483-494, ESA SP-217, ESTEC, Noordwijk, The Netherlands.
10. Cowley, S.W.H., and Owen, C. J.,: 1989, 'A simple illustrative model of open flux tube motion over the dayside magnetopause', Planet. Space Sci. 37, 1461.
11. Cowley, S.W.H. and Lewis, Z.V.: 1990, 'Magnetic trapping of energetic particles on open dayside boundary layer flux tubes', Planet. Space Sci. 38, 1343.
12. Cowley, S.W.H., and Lockwood, M.: 1992, 'Excitation and decay of solar wind-driven flows in the magnetosphere-ionosphere system', Ann. Geophys. 10, 103.
13. Cowley, S.W.H., Southwood, D. J., and Saunders, M. A.: 1983, 'Interpretation of magnetic field perturbations in the Earth's magnetopause boundary', Planet. Space Sci. 31, 1237.
14. Cowley, S.W.H., Morelli, J. P., and Lockwood, M.: 1991a, 'Dependence of convective flows and particle precipitation in the high-latitude dayside ionosphere on the X and Y components of the interplanetary magnetic field', J. Geophys. Res. 96, 5557.
15. Cowley, S.W.H., Freeman, M. P., Lockwood, M., and Smith, M. F.: 1991b, '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.
16. Crooker, N. U.: 1992, 'Reverse Convection', J. Geophys. Res. 97, 19,363.
17. Curran, D.B., and Goertz, C. K.: 1989, 'Particle distributions in a two- dimensional reconnection field geometry', it J. Geophys. Res. 94, 272.
18. Daly, P.W. and Fritz, T. A.: 1982, 'Trapped electron distributions on open field lines', J. Geophys. Res. 87, 6081.
19. de la Beaujardiere, O., Newell, P., and Rich, R.: 1993, 'Relationship between Birkeland current regions, particle participation, and electric fields', J. Geophys. Res. 98, 7711.
20. de la Beaujardiere, O., Lyons, L. R., Ruohonieme, J. M., Friis- Christensen, E., Danielsen, C., Rich, F. J., and Newell, P. T.: 1994, 'Quiet-time intensifications along the poleward auroral boundary near midnight', J. Geophys. Res. 99, 287.
21. Delcourt, D. C., Sauvaud, J.-A., Martin Jr., R. F., and Moore, T. E.: 1996, 'On the nonadiabatic precipitation of ions from the near-Earth plasma sheet', J. Geophys. Res. 101, 17,409.
22. Eastman, T.E. and Hones, Jr., E. W.: 1979, 'Characteristics of the magnetospheric boundary layer as observed by IMP-6', J. Geophys. Res. 84, 2109.
23. Eastman, T.E., Hones, Jr., E. W., Bame, S. J., and Ashbridge, J. R.: 1976, 'The magnetospheric boundary layer: site of plasma, momentum and energy transfer from the magnetosheath to the magnetosphere', Geophys. Res. Lett. 3, 685.
24. Elphic, R. C., Onsager, T. G., Thomsen, M. F., and Gosling, J. T.: 1995, 'Nature and location of the source of plasma sheet boundary layer ion beams', J. Geophys. Res. 100, 1857.
25. Elphinstone, R. D., Murphree, J. S., Hearn, D. J., Cogger, L. L., Sandahl, I., Newell, P. T., Klumpar, D. M., Ohtani, S., Sauvaud, J. A., Potemra, T. A., Mursula, K., Wright, A., and Shapshak, M.: 1995a, 'The double oval UV auroral distribution, 1, Implications for the mapping of auroral arcs', J. Geophys. Res. 100, 12,075.
26. Elphinstone, R. D., Hearn, D. J., Cogger, L. L., Murphree, J. S., Singer, H., Sergeev, V., Mursula, K., Klumpar, D. M., Reeves, G. D., Johnson, M., Ohtani, S., Potemra, T. A., Sandahl, I., Nielsen, E., Persson, M., Opgenoorth, H., Newell, P. T., and Feldstein, Y. I.: 1995b 'Observations in the vicinity of substorm onset: Implications for the substorm process', J. Geophys. Res. bf 100, 7937.
27. Fairfield, D. H., and Scudder, J. D.: 1985, 'Polar rain: Solar coronal electrons in the Earth's magnetosphere', J. Geophys. Res. 90, 4055.
28. Forbes, T. G., Hones Jr., E. W., Bame, S. J., Asbridge, J. R., Paschmann, G., Sckopke, N., and Russell, C. T.: 1981, 'Evidence for the tailward retreat of a magnetic neutral line in the magnetotail during substorm recovery', Geophys. Res. Lett. 8, 261.
29. Fukunishi, H., Takahashi, Y., Nagatsuma, T., Mukai, T., and Machida, S.: 1993, 'Latitudinal structures of nightside field-aligned currents and their relationships to the plasma sheet regions', J. Geophys. Res. 98, 11,235.
30. Fuselier, S.A., Klumpar, D. M., and Shelley, E. G.: 1991, 'Ion reflection and transmission during reconnection at the Earth's subsolar magnetopause', Geophys. Res. Lett. 18, 139.
31. Fuselier, S.A., Anderson, B.J., and Onsager, T.G.: 1997, 'Election and ion signatures of field line topology at the low-shear magnetopause', J. Geophys. Res. 102, 4847.
32. Galperin, Y. I., and Feldstein, Y. I.: 1996, 'Mapping of the precipitation regions to the plasma sheet', J. Geomag. Geoelectr. 48, 857.
33. Gazey, N.G.J., Lockwood, M., Smith, P.N., Coles, S., Bunting, R.J., Lester, M., Aylward, A.D., Yeoman, T.Y., and Luhr, H.: 1995, 'The development of substorm cross-tail current disruption as seen from the ground', J. Geophys. Res. 100, 9633.
34. Gosling, J.T., Thomsen, M. F., Bame, S. J., Onsager, T. G., and Russell, C. T.: 1990a, 'The electron edge of the low-latitude boundary layer during accelerated flow events', Geophys. Res. Lett. 17, 1833.
35. Gosling, J.T., Thomson, M. F., Bame, S. J., Elphic R. C., and Russell, C. T.: 1990b, 'Plasma flow reversals at the dayside magnetopause and the origin of asymmetric polar cap convection', J. Geophys. Res. 95, 8073.
36. Hapgood, M.A., and Bryant, D. A.: 1992, 'Exploring the magnetospheric boundary layer', Planet. Space Sci. 40, 1431.
37. Hardy, D. A.: 1984, 'Intense fluxes of low-energy electrons at geomagnetic latitudes above 85 degrees', J. Geophys. Res. 89, 3833.
38. Heelis, R.A., Hanson, W. B., and Burch, J. L.: 1976, 'Ion convection reversals in the dayside cleft', J. Geophys Res. 81, 3803.
39. Heppner, J. P. and Maynard, N. C.: 1987, 'Empirical high-latitude electric field models', J. Geophys. Res. 92, 4467.
40. Hill, T.W. and Reiff, P. H.: 1977, 'Evidence of magnetospheric cusp proton acceleration by magnetic merging at the dayside magnetopause', J. Geophys. Res. 23, 3623.
41. Hirsch, K. L., Spence, H. E., Onsager, T. G.: 1996, 'Low altitude signatures of the plasma sheet: Model predictions of local time dependence', J. Geomag. Geoelectr. 48, 887.
42. Jorgensen, T. S., Friis-Christiansen, E., Wickwar, V. B., Kelly, J. D., Clauer, C. R., and Banks, P. M.: 1984, 'On the reversal from "sunward" to "antisunward" plasma convection in the dayside high latitude ionosphere', Geophys. Res. Lett. 1, 887.
43. Lockwood, M.: 1991, 'On flow reversal boundaries and cross-cap potential in average models of high latitude convection', Planet. Space Sci. 39, 397.
44. Lockwood, M.: 1995, 'The location and characteristics of the reconnection X-line deduced from low-altitude satellite and ground-based observations: 1. Theory', J. Geophys. Res. 100, 21,791.
45. Lockwood, M.: 1997, 'The relationship of dayside auroral precipitations, the open-closed field line boundary and the convection reversal boundary', J. Geophys. Res. in press.
46. Lockwood, M. and Davis, C. J.: 1996a, 'On the longitudinal extent of magnetopause reconnection bursts', Annales Geophys. 14, 865.
47. Lockwood, M. and Davis, C. J.: 1996b, 'An analysis of the accuracy of magnetopause reconnection rate variations deduced from cusp ion dispersion characteristics', Annales Geophys. 14, 149.
48. Lockwood, M. and Moen, J.: 1996, 'Ion populations on open field lines within the low-latitude boundary layer: theory and observations during a dayside transient event', Geophys Res Lett. 23, 2895.
49. Lockwood, M. and Smith, M. F.: 1992, 'The variation of reconnection rate at the dayside magnetopause and cusp ion precipitation', J. Geophys. Res. 97, 14,841.
50. Lockwood, M. and Smith, M. F.: 1993, 'Comment on "Mapping the dayside ionosphere to the magnetosphere according to particle precipitation characteristics" by Newell and Meng', Geophys. Res. Lett. 20, 1739.
51. Lockwood, M. and Smith, M. F.: 1994, 'Low- and mid-altitude cusp particle signatures for general magnetopause reconnection rate variations: I - Theory', J. Geophys. Res. 99, 8531.
52. Lockwood, M., Onsager, T. G., Davis, C. J., Smith, M. F., and Denig, W. F.: 1994, 'The characteristics of the magnetopause reconnection X-line deduced from low-altitude satellite observations of cusp ions', it Geophys. Res. Lett. 21, 2757.
53. Lockwood, M., Cowley S. W. H., and Onsager, T. G.: 1996, 'Ion acceleration at both the interior and exterior Alfven waves associated with the magnetopause reconnection site: signatures in cusp precipitation', J. Geophys. Res. 101, 21,501.
54. Lotko, W., and Sonnerup, B. U. O.: 1995, 'The low-latitude boundary layer on closed field lines, in Physics of the magnetopause', Geophys. Mono. 90, ed. P. Song, B.U.O. Sonnerup and M. Thompsen, pp 371-383.
55. Lyons, L. R.: 1995, 'The ionosphere as a screen for magnetospheric processes', U.S. National Report to the IUGG, 1991-1994, Rev. Geophys., supplement, 715.
56. Lyons, L. R., and Speiser, T. W.: 1982, 'Evidence for current sheet acceleration in the geomagnetic tail', J. Geophys. Res. 87, 2276.
57. Lyons, L. R., Schulz, M., Pridmore-Brown D. C., and Roeder, J. L.: 1994, 'Low-latitude boundary layer near noon: An open field line', J. Geophys. Res. 99, 2227.
58. Lyons, L. R., Lu, G., de la Beaujardiere, O., and Rich, F. J.: 1996, 'Synoptic maps of polar caps for stable interplanetary magnetic field intervals during January 1992 geospace environment modeling campaign', J. Geophys. Res. 101, 27,283.
59. Matsuoka, A., Tsuruda, K., Hayakawa, H., Mukai, T., and Nishida, A.: 1996, 'Electric field structure and ion precipitation in the polar region associated with northward interplanetary magnetic field', J. Geophys. Res. 101, 10,711.
60. Mitchell, D.G., Kutchko, F., Williams, D. J., Eastman, T. E., Frank, L. A., and Russell, C. T.: 1087, 'An extended study of the low-latitude boundary layer on the dawn and the dusk flanks on the magnetosphere', J. Geophys. Res. 92, 7394.
61. Moen, J., Evans, D., Carlson, H. C., and Lockwood, M.: 1996, 'Dayside moving auroral transients related to LLBL dynamics', Geophys. Res. Lett. 23, 3247.
62. Nakamura, M., Paschmann, G., Baumjohann, W., and Sckopke, N.: 1992, 'Ion distributions and flows near the neutral sheet', J. Geophys. Res. 96, 5631.
63. Newell, P. T.: 1995, 'Do the dayside cusps blink?, U.S. National Report to the IUGG, 1991-1994', Rev. Geophys., supplement.
64. Newell, P.T. and Meng, C.-I.: 1992, 'Mapping the dayside ionosphere to the magnetosphere according to particle precipitation characteristics', Geophys. Res. Lett. 19, 609.
65. Newell, P.T. and Meng, C.-I.: 1994, 'Ionospheric projections of magnetospheric regions under low and high solar wind pressure conditions', J. Geophys. Res. 99, 273.
66. Newell, P.T. and Meng, C.-I.: 1995a, in P. Song, B.U.O. Sonnerup, and M. Thomsen (ed.), 'Magnetopause dynamics as inferred from plasma observations on low-altitude satellites', Physics of the Magnetopause, Geophys. Monogr. Ser. 90, p. 407, AGU, Washington, D.C.
67. Newell, P. T., and Meng, C.-I.: 1995b, 'Cusp low-energy ion cutoffs: A survey and implications for merging', J. Geophys. Res. 100, 21,943.
68. Newell, P.T. Burke, W. J., Sanchez, E. R., Meng, C.-I., Greenspan, M. E., and Clauer, C. R.: 1991a, 'The low-latitude boundary and the boundary plasma sheet at low altitude: prenoon precipitation regions and convection reversal boundaries', J. Geophys. Res. 96, 21,013.
69. Newell, P.T., Burke, W. J., Meng, C.-I., Sanchez, E. R., and Greenspan, M. E.: 1991b, 'Identification an observation of the plasma mantle at low altitude', J. Geophys. Res. 96, 35.
70. Nishida, A.: 1989, 'Can random reconnection on the magnetopause produce the low-latitude boundary layer?', Geophys. Res. Lett. 16, 227.
71. Nishida, A., and Mukai, T.: 1994, 'Reply to comment on "Unexpected features of the ion precipitation in the so-called cleft/low latitude boundary layer region: association with sunward convection and occurrence on open field lines', J. Geophys. Res. 99, 23,367.
72. Nishida, A., Mukai, T. Hayakawa, H., Matsuoka, A., and Tsuruda, K.: 1993, 'Unexpected features of the ion precipitation in the so-called cleft/low-latitude boundary layer region: association with sunward convection and occurrence on open field lines', J. Geophys. Res. 98, 11,161.
73. Nishida A., Mukai, T., Yamamoto, T., Saito, Y., and Kokubun, S.: 1996a, 'Magnetotail convection in geomagnetically active times, 1, Distance to the neutral lines', J. Geomag. Geoelectr. 48, 489.
74. Nishida A., Mukai, T., Yamamoto, T., Saito, Y., and Kokubun, S,: 1996b, 'Magnetotail convection in geomagnetically active times, 2, Dawn- dusk motion in the plasma sheet', Geomag. Geoelectr. 48, 503.
75. Norberg, O., Yamauchi, M., Eliasson, L., and Lundin, R.: 1994, 'Freja observations of multiple injection events in the cups', Geophys. Res. Lett. 21, 1919.
76. Obara, T., Mukai, T., Hayakawa, H., Tsuruda, K., Matsuoka, A., and Nishida, A.: 1996, 'Signature of electric field associated with localized electron precipitation in the polar cap region - Akebono (EXOS-D) results', J. Geomag. Geoelectr. 48, 327.
77. Ohtani, S.-I., Potemra, T. A., Newell, P. T., Zanetti, L. J., Iijima, T., Wantanabe, M., Yamauchi, Y., Elphinstone, R. D., de la Beaujardiere, O., and Blomberg, L. G.: 1995, 'Simultaneous prenoon and postnoon observations of three field-aligned current systems from Viking and DMSP-F7', J. Geophys. Res. 100, 119.
78. Onsager, T.G. and Mukai, T.: 1995, 'Low altitude signature of the plasma sheet boundary layer: Observations and model', Geophys. Res. Lett. 22, 855.
79. Onsager, T. G., and Mukai, T.: 1996, 'The structure of the plasma sheet and its boundary layers', J. Geomag. Geoelectr. 48, 687
80. Onsager, T. G., Thomsen, M. F., Elphic, R. C., and Gosling, J. T.: 1991, 'Model of electron and ion distributions in the plasma sheet boundary layer', J. Geophys. Res. 96, 20,999.
81. Onsager, T. G., Kletzing, C. A., Austin, J. B., and MacKiernan, H.: 1993, 'Model of magnetosheath plasma in the magnetosphere: Cusp and mantle precipitations at low altitudes', Geophys. Res. Lett. 20, 479.
82. Owen, C.J. and Slavin, J. A.: 1992, 'Viscously driven plasma flows in the deep geomagnetic tail', Geophys. Res. Lett. 19, 1443.
83. Paschmann, G., Papamastorakis, I., Baumjohann, W., Sckopke, N., Carlson, C. W., Sonnerup, B. U. O., and Luhr, H.: 1986, 'The magnetopause for large magnetic shear: AMPTE/IRM observations', J. Geophys. Res. 91, 11,099.
84. Persson, M.A.L, Aikio, A.T., and Opgenoorth, H.J.: 1994a, Late growth and early expansion phase of a substorm', in Substorms 2, Proc. 2nd. Intl. Conf. on Substorms, pp. 421-428, Geophysical Institute, Fairbanks, Alaska.
85. Persson, M.A.L., Opgenoorth, H.J., Pulkkinen, T.I., Eriksson, A.I, Dovner, P.O., Reeves, G.D., Belian, R.D., Andre, M., Blomberg, L.G., Erlandson, R.E., Boehm, M.H., Aikio, A.T., and Haggstrom, I.: 1994b, 'Near-earth substorm onset: A coordinated study', Geophys. Res. Lett. 21, 1875.
86. Pinnock M., Rodger, A. S., Dudeney, J. R., Baker, K. B., Newell, P. T., Greenwald, R. A., and Greenspan, M. E.: 1993, 'Observations of an enhanced convection channel in the cusp ionosphere', J. Geophys. Res. 98, 3767.
87. Richard, R.L., Walker, R. J., and Ashour-Abdalla, M.: 1994, 'The population of the magnetosphere by solar wind ions when the interplanetary magnetic field is northward', Geophys. Res. Lett. 21, 2455.
88. Rosenbauer, H., Gruenwaldt, H., Montgomery, M. D., Paschmann, G.,and Sckopke, N.: 1975, 'HEOS 2 plasma observations in the distant polar magnetospbere: the plasma mantle', J. Geophys. Res. 80, 2723.
89. Saito, Y., Mukai, T., Hirahara, M., Machida, S., and Kaya, N.: 1992, 'Distribution function of precipitating ion beams with velocity dispersion observed near the poleward edge of the nightside auroral oval', Geophys. Res. Lett. 19, 2155.
90. Sandahl, I., and Lindqvist, P.-A.: 1990, 'Electron populations above the nightside auroral oval during magnetic quiet times', Planet. Space Sci. 38, 1031.
91. Scholar, M., Daly, P. W., Paschmann, G., and Fritz., T. A.: 1982, 'Field line topology determined by energetic particles during a possible magnetopause reconnection event', J. Geophys. Res. 87, 6073.
92. Shue, J.-H. and Weimer, D. R.: 1994, 'The relationship between ionospheric convection and magnetic activity', J. Geophys. Res. 99, 401.
93. Siscoe, G. L. and Huang, T. S.: 1985, 'Polar cap inflation and deflation', J. Geophys. Res. 90, 543.
94. Smith, M.F. and Rodgers, D.J.: 1991, 'Ion distributions at the dayside magnetopause', J. Geophys. Res. 95, 11,617.
95. Smith, M. F., and Lockwood, M.: 1996, 'Earth's magnetospheric cusps', Rev. of Geophys. 34, 233.
96. Song, P., and Russell, C. T.: 1992, 'Model of the formation of the low- latitude boundary layer for strongly northward interplanetary magnetic field', J. Geophys. Res. 97, 1411.
97. Song, P., Elphic, R. C., Russell, C. T., Gosling, J. T., and Cattell, C. A.: 1900, 'Structure and properties of the subsolar magnetopause for northward IMF: ISEE observations', J. Geophys. Res. 95, 6375.
98. Sonnerup, B.U.O.: 1980, 'Theory of the low-latitude boundary layer', J. Geophys. Res. 85, 2017.
99. Sonnerup, B.U.O., Papamastorakis, I., Paschmann, G., and Luhr, H.: 1986, 'The magnetopause for large magnetic shear: analysis of convection electric fields from AMPTE/IRM', J. Geophys. Res. 95, 10,541.
100. Spence, H. E., and Kivelson, M. G.: 1993, 'Contributions of the low- latitude boundary layer to the finite width magnetotail convection model', J. Geophys. Res. 98, 15,487.
101. Spreiter, J. R., and Stahara, S. S.: 1985, in B. T. Tsurutani and R. G. Stone (ed.), 'Magnetohydrodynamic and gasdynamic theories for planetary bow waves', Collisionless Shocks in the Heliosphere: Reviews of Current Research, Geophys. Monogr. Ser., 35, pp. 85-107, AGU, Washington, D.C.
102. Takahashi, K., and Hones, Jr., E. W.: 1988, 'ISEE 1 and 2 observations of ion distributions at the plasma sheet-tail lobe boundary', J. Geophys. Res. 93, 8558.
103. Traver, D.P., Mitchell, D. G., Williams, D. J., Frank, L. A., and Huang, C. Y.: 1991, 'Two encounters with the flank low-latitude boundary layer: further evidence for closed field line topology and investigation of internal structure', J. Geophys. Res. 96, 21,025.
104. Treumann, R.A., LaBelle, J., and Bauer, T. M.: 1995, in P. Song, B.U.O. Sonnerup, and M. Thomsen (ed.), 'Diffusion processes: An observational perspective', Physics of the magnetopause, Geophys. Monogr. Ser. 90, pp. 331-341, AGU, Washington, D.C.
105. Vasyliunas, V.M.: 1979, 'Interaction between the magnetospheric boundary layers and the ionosphere', in Proceedings of the Magnetospheric Boundary Layers Conference, Alpbach, pp. 387-394, ESA SP-148, ESA, Paris.
106. Watermann, J., de la Benjardiere, O., and Spence, H. E.: 1993, 'Space-time structure of the morning aurora inferred from coincident DMSP-F6,-F8, and Sondrestrom incoherent scatter radar observations', J. Atmos. Terr. Phys. 55, 1728.
107. Wing, S., Newell, P. T., and Onsager, T. G.: 1996, 'Modeling the entry of magnetosheath electrons into the dayside ionosphere., it J. Geophys, Res. 101, 13,155.
108. Winningham, J. D., and Heikkila, W. J.: 1974, 'Polar cap auroral electron fluxes observed with Isis 1., J. Geophys. Res. 79, 949.
109. Winske, D., Thomas, V. A., and Omidi, N.: 1995, in P. Song, B.U.O. Sonnerup, and M. Thomsen (ed.), 'Diffusion at the magnetopause: A theoretical perspective', Physics of the magnetopause, Geophys. Monogr. Ser. 90, pp. 321-330, AGU, Washington, D.C.
110. Woch, J., and Lundin, R: 1992a, 'Magnetosheath plasma precipitation in the polar cusp and its control by the interplanetary magnetic field', J. Geophys. Res. 97, 1421.
111. Woch, J., and Lundin, R.: 1992b, 'Signature of transient boundary layer processes observed with Viking', J. Geophys. Res. 97, 1431.
112. Woch, J. and Lundin, R.: 1993, 'The low-latitude boundary layer at mid- altitudes: Identification based on Viking hot plasma data', Geophys. Res. Lett. 20, 979.
113. Yamauchi, M., and Lundin, R.: 1994, in J. A. Holtet and A. Egeland (eds.), 'Classification of large-scale and meso-scale ion dispersion patterns observed by Viking over the cusp-mantle region', Physical Signatures of Magnetospheric Boundary Layer Processes, Klewar Academic Publishers, p. 99.
114. Yamauchi, M., Lundin, R., and Potemra, T.A.: 1995, 'Dynamic response of the cusp morphology to the interplanetary magnetic field changes: An example observed by Viking', J. Geophys. Res. 100, 7661.
115. Zelenyi, L. M., Kovrazkhin, R. A., and Bosqued, J. M.: 1990, 'Velocity- dispersed ion beams in the nightside auroral zone: AUREOL 3 observations', J. Geophys. Res. 95, 12,119.