High-resolution maps of the characteristic energy of precipitating auroral particles

Journal of Geophysical Research: Space Physics

Volumn 106, Issue A12, 2001, Pages 28925-28937

  Kosch, M J ^a,b   Honary, F ^b   Del Pozo, C F ^b   Marple, S R ^b   Hagfors, T ^a  

^a MAX PLANCK INSTITUT FÜR SONNENSYSTEMFORSCHUNG   (Germany)

^b LANCASTER UNIVERSITY   (United Kingdom)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 39449085788     PISSN: None     EISSN: 21699402     Source Type: Journal    
DOI: 10.1029/2001ja900107     Document Type: Article

References (58)

1. Ansari, Z. A., The aurorally associated absorption of cosmic noise at College, Alaska, J. Geophys. Res., 69, 4493-4513, 1964.
2. Arnoldy, R. L., P. B. Lewis, and P. O. Isaacson, Field-aligned auroral electron fluxes, J. Geophys. Res., 79, 4208-4221, 1974.
3. Bailey, D. K., Some quantitative aspects of electron precipitation in and near the auroral zone, Rev. Geophys., 6, 289-346, 1968.
4. Baker, D. J., Rayleigh, the unit for light radiance, Appl. Opt., 13, 2160-2163, 1974.
5. Barcus, J. R., Balloon observations on the relationship of energetic electrons to visual aurora and auroral absorption, J. Geophys. Res., 70, 2135-2147, 1965.
6. Belon, A. E., G. J. Romick, and M. H. Rees, The energy spectrum of primary auroral electrons determined from auroral luminosity profiles, Planet. Space Sci., 14, 597-615, 1966.
7. Berkey, F. T., Coordinated measurements of auroral absorption and luminosity using the narrow beam technique, J. Geophys. Res., 73, 319-337, 1968.
8. Brekke, A., C. Hall, and T. L. Hansen, Auroral ionospheric conductances during disturbed conditions, Ann. Geophys., 7, 269-280, 1989.
9. Browne, S., J. K. Hargreaves, and B. Honary, An imaging riometer for ionospheric studies, Electron. Commun., 7(5), 209-217, 1995.
10. Burch, J. L., Diagnostics of auroral acceleration mechanisms by particle measurements, in Auroral Physics, edited by C.-I. Meng, M. J. Rycroft, and L. A. Frank, pp. 97-107, Cambridge Univ. Press, New York, 1991.
11. Burns, C. J., W. G. Howarth, and J. K. Hargreaves, High-resolution incoherent scatter radar measurements during electron precipitation events, J. Atmos. Terr. Phys., 52, 205-218, 1990.
12. Campbell, W. H., and H. Leinbach, Ionospheric absorption at times of auroral and magnetic pulsations, J. Geophys. Res., 66, 25-34, 1961.
13. Collis, P. N., and J. K. Hargreaves, Co-ordinated studies using imaging riometer and incoherent scatter radar, J. Atmos. Terr. Phys., 59, 873-890, 1997.
14. Collis, P. N., J. K. Hargreaves, and A. Korth, Auroral radio absorption as an indicator of magnetospheric electrons and of conditions in the disturbed auroral D-region, J. Atmos. Terr. Phys., 46, 21-38, 1984.
15. Collis, P. N., J. K. Hargreaves, and G. P. White, A localised co-rotating auroral absorption event observed near noon using imaging riometer and EISCAT, Ann. Geophys., 14(12), 1305-1316, 1996.
16. Currie, B. W., Auroral heights over west-central Canada, Can. J. Phys., 33, 773-779, 1955.
17. del Pozo, C. F., J. K. Hargreaves, and A. D. Aylward, Ion composition and effective ion recombination rate in the nighttime auroral lower ionosphere, J. Atmos. Sol. Terr. Phys., 59, 1919-1943, 1997.
18. del Pozo, C. F., E. Turunen, and T. Ulich, Negative ions in the auroral mesosphere during a PCA event around sunset, Ann. Geophys., 17, 782-793, 1999.
19. Eather, R. H., and F. Jacka, Auroral absorption of cosmic radio noise, Aust. J. Phys., 19, 215-239, 1966.
20. Evans, D. S., The observations of a near monoenergic flux of auroral electrons, J. Geophys. Res., 73, 2315-2323, 1968.
21. Frank, L. A., and K. L. Ackerson, Observations of charged particle precipitation into the auroral zone, J. Geophys. Res., 76, 3612-3643, 1971.
22. Friedrich, M., and K. M. Torkar, High-latitude plasma densities and their relation to riometer absorption, J. Atmos. Terr. Phys., 45, 127-135, 1983.
23. Gustafsson, G., Ionization in the D-region during auroral break-up events, Planet. Space Sci., 12, 195-208, 1964.
24. Gustafsson, G., Spatial and temporal relations between auroral emission and cosmic noise ansorption, Planet. Space Sci., 17, 1961-1975, 1969.
25. Hardy, D. A., M. S. Gussenhoven, and E. Holeman, A statistical model of auroral electron precipitation, J. Geophys. Res., 90, 4229-4248, 1985.
26. Hargreaves, J. K., Auroral absorption of HF radio waves in the ionosphere: A review of results from the first decade of riometry, Proc. IEEE, 57(8), 1348-1373, 1969.
27. Hargreaves, J. K., and T. Devlin, Morning sector electron precipitation events observed by incoherent scatter radar, J. Atmos. Terr. Phys., 52, 193-203, 1990.
28. Holt, O., and A. Omholt, Auroral luminosity and absorption of cosmic radio noise, J. Atmos. Terr. Phys., 24, 467-474, 1962.
29. Ishimoto, M., C.-I. Meng, G. J. Romick, and R. E. Huffman, Auroral electron energy and flux from molecular nitrogen ultraviolet emissions observed by the S3-4 satellite, J. Geophys. Res., 93, 9854-9866, 1988.
30. Johansen, O. E., Comment on "The aurorally associated absorption of cosmic noise at College, Alaska" by Z. A. Ansari, J. Geophys. Res., 70, 3787-3788, 1965a.
31. Johansen, O. E., Variations in energy spectrum of auroral electrons detected by simultaneous observation with photometer and riometer, Planet. Space Sci., 13, 225-235, 1965b.
32. Kirkwood, S., and A. Osepian, Quantitative studies of energetic particle precipitation using incoherent scatter radar, J. Geomagn. Geoelectr., 47, 783-799, 1995.
33. Kosch, M. J., T. Hagfors, and E. Nielsen, A new digital all-sky imager experiment for optical auroral studies in conjunction with the Scandinavian twin auroral radar experiment, Rev. Sci. Instrum., 69, 578-584, 1998.
34. Lui, A. T. Y., D. Venkatesan, C. D. Anger, S.-I. Akasofu, W. J. Heikkila, J. D. Winningham, and J. R. Burrows, Simultaneous observations of particle precipitation and auroral emissions by the ISIS 2 satellite in the 19-24 MLT sector, J. Geophys. Res., 82, 2210-2226, 1977.
35. Lundin, R., Rocket observations of electron spectral and angular characteristics in an "inverted V" event, Planet. Space Sci., 24, 499-514, 1976.
36. Maynard, N. C., D. S. Evans, B. Maehlum, and A. Egeland, Auroral vector electric field and particle comparisons, 1, Premidnight convection topology, J. Geophys. Res., 82, 2227-2234, 1977.
37. Mende, S. B., R. H. Eather, M. H. Rees, R. R. Vondrak, and R. M. Robinson, Optical mapping of ionospheric conductance, J. Geophys. Res., 89, 1755-1763, 1984.
38. Ogilvie, K. W., Auroral electron energy spectra, J. Geophys. Res., 73, 2325-2332, 1968.
39. Penman, J. M., J. K. Hargreaves, and C. E. McIlwain, The relationship between 10 to 80 keV electron precipitation observed at geosynchronous orbit and auroral radio absorption observed with riometers, Planet. Space Sci., 27, 445-451, 1979.
40. Rees, M. H., Auroral ionization and excitation by incident energetic electrons, Planet. Space Sci., 11, 1209-1218, 1963.
41. Rees, M. H., Physics and Chemistry of the Upper Atmosphere, Cambridge Univ. Press, New York, 1989.
42. Rees, M. H., and D. Luckey, Auroral electron energy derived from ratio of spectroscopic emissions, 1, Model computations, J. Geophys. Res., 79, 5181-5186, 1974.
43. Rees, M. H., D. Lummerzheim, R. G. Roble, J. D. Winningham, J. D. Craven, and L. A. Frank, Auroral energy deposition rate, characteristic electron energy, and ionospheric parameters derived from Dynamics Explorer 1 images, J. Geophys. Res., 93, 12,841-12,860, 1988.
44. Rishbeth, H., and A. P. van Eyken, EISCAT: Early history and the first ten years of operation, J. Atmos. Terr. Phys., 55, 525-542, 1993.
45. Robinson, R. M., and R. R. Vondrak, Validation of techniques for space based remote sensing of auroral precipitation and its ionospheric effects, Space Sci. Rev., 69, 331-407, 1994.
46. Sears, R. D., and R. R. Vondrak, Optical emissions and ionization profiles during an intense pulsating aurora, J. Geophys. Res., 86, 6853-6858, 1981.
47. Spiro, R. W., P. H. Reiff, and L. J. Maher Jr., Precipitating electron energy flux and auroral zone conductances: An empirical model, J. Geophys. Res., 87, 8215-8227, 1982.
48. Stauning, P., High-latitude D- and E-region investigations using imaging riometer observations, J. Atmos. Terr. Phys., 58, 765-783, 1996a.
49. Stauning, P., Investigations of ionospheric radio wave absorption processes using imaging riometer techniques, J. Atmos. Terr. Phys., 58, 753-764, 1996b.
50. Steele, D. P., and D. J. McEwen, Electron auroral excitation efficiencies and intensity ratios, J. Geophys. Res., 95, 10,321-10,336, 1990.
51. Stoker, P. H., M. J. Mathews, and M. W. J. Scourfield, Coordinated measurements of auroral light intensities and riometric radio-wave absorption, Geophys. Res. Lett., 23, 641-644, 1996.
52. Störmer, C., The Polar Aurora, pp. 67-80, Oxford Univ. Press, New York, 1955.
53. Turunen, E., H. Matveineh, and H. Ranta, Sodankylä Ion Chemistry (SIC) model, Rep. 49, Sodankylä Geophys. Obs., Finland, 1992.
54. Vallance Jones, A., Auroral spectroscopy and thermosphere, in Auroral Physics, edited by C.-I. Meng, M. J. Rycroft, and L. A. Frank, pp. 15-28, Cambridge Univ. Press, New York, 1991.
55. Vondrak, R. R., and R. D. Sears, Comparison of incoherent scatter radar and photometric measurements of the energy distribution of auroral electrons, J. Geophys. Res., 83, 1665-1667, 1978.
56. Vondrak, R., S. Harris, and S. Mende, Ground-based observations of subauroral energetic-electron arcs, Geophys. Res. Lett., 10, 557-560, 1983.
57. Whalen, B. A., and I. B. McDiarmid, Observations of magnetic-field-aligned auroral-electron precipitation, J. Geophys. Res., 77, 191-202, 1972.
58. Westerlund, L. H., The auroral electron energy spectrum extended to 45 ev, J. Geophys. Res., 74, 351-354, 1969.