Comparative study of the high-latitude e region ion and neutral temperatures in the polar cap and the auroral region derived from the EISCAT radar observations

Journal of Geophysical Research: Space Physics

Volumn 110, Issue A8, 2005, Pages

  Maeda, Sawako ^a   Nozawa, Satonori ^b   Ogawa, Yasunobu ^b   Fujiwara, Hitoshi ^c  

^a KYOTO WOMEN'S UNIVERSITY   (Japan)

^b NAGOYA UNIVERSITY   (Japan)

^c TOHOKU UNIVERSITY   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 33746348285     PISSN: None     EISSN: 21699402     Source Type: Journal    
DOI: 10.1029/2004JA010893     Document Type: Article

References (45)

1. Balmforth, H. F., R. J. Moffett, and A. S. Rodger (1999), Localized structure in the cusp and high-latitude ionosphere: a modelling study, Ann. Geophys., 17, 455-462.
2. Banks, P. M. (1980), Energy sources of the high latitude upper atmosphere, in Exploration of the Polar Upper Atmosphere, edited by C. S. Deehr and J. A. Holtet, 113 pp., Springer, New York.
3. Codrescu, M. V., T. J. Fuller-Rowell, and J. C. Foster (1995), On the importance of E field variability for Joule heating in the high-latitude thermosphere, Geophys. Res. Lett., 22, 2393-2396.
4. Codrescu, M. V., T. J. Fuller-Rowell, J. C. Foster, J. M. Holt, and S. J. Ganglia (2000), Electric field variability associated with the Millstone Hill electric field model, J. Geophys. Res., 105, 5265-5274.
5. Davies, J. A., and T. R. Robinson (1997), Heating of the high-latitude ionospheric plasma by electric fields, Adv. Space Res., 20, 1125-1128.
6. Davies, J. A., M. Lester, and I. W. McCrea (1997), A statistical study of ion frictional heating observed by EISCAT, Ann. Geophys., 15, 1399-1411.
7. Dougherty, J. P., and D. T. Parley (1963), A theory of incoherent scattering of radio waves by a plasma: 3. Scattering in a partly ionized gas, J. Geophys. Res., 68, 5473-5486.
8. Folkestad, K., T. Hagfors, and S. Westerlund (1983), EISCAT: An updated description of technical characteristics and operational capabilities, Radio Sci., 18, 867-879.
9. Fujiwara, H., S. Maeda, M. Suzuki, S. Nozawa, and H. Fukunishi (2004), Estimates of electromagnetic and turbulent energy dissipation rates under the existence of strong wind shears in the polar lower thermosphere from the EISCAT Svalbard radar observations, J. Geophys. Res., 109, A07306, doi: 10.1029/2003JA010046.
10. Häggström, I., and P. N. Collis (1990), Ion composition changes during F region density depletions in the presence of electric fields at auroral latitudes, J. Atmos. Terr. Phys., 52, 519-529.
11. Hays, P. B., T. L. Killeen, N. W. Spencer, L. E. Wharton, R. G. Roble, B. A. Emery, T. J. Fuller-Rowell, D. Rees, L. A. Frank, and J. D. Craven (1984), Observations of the dynamics of the polar thermosphere, J. Geophys. Res., 89, 5597-5612.
12. Hedin, A. E. (1991), Extension of the MSIS thermosphere model into the middle and lower atmosphere, J. Geophys. Res., 96, 1159-1172.
13. Hubert, D., and C. Lathuillere (1989), Incoherent scattering of radar waves in the auroral ionosphere in the presence of high electric fields, and measurement problems with the EISCAT facility, J. Geophys. Res., 94, 3653-3662.
14. International Association of Geomagnetism and Aeronomy (IAGA), (1987), Division I Working Group 1, International geomagnetic reference field revision 1987,7. Geomagn. Gcoelectr., 39, 773-779.
15. Killeen, T. L., R. G. Roble, and N. W. Spencer (1987), A computer model f global thermospheric winds and temperatures, Adv. Space Res., 7, 207-215.
16. Killeen, T. L., Y.-I. Won, R. J. Nicicjewski, and A. G. Burns (1995), Upper thermosphere winds and temperatures in the geomagnetic polar cap: Solar cycle, geomagnetic activity, and interplanetary magnetic field dependencies, J. Gcophys. Res., 100, 21, 327-21, 342.
17. Kirkwood, S. (1986), Seasonal and tidal variations of neutral temperatures and densities in the high latitude lower thermosphere measured by EISCAT, J. Atmos. Terr. Phys., 48, 817-826.
18. Kofman, W. (1992), Auroral ionospheric and thermospheric measurements using the incoherent scatter technique, Surv. Geophys., 13, 551-571.
19. Lathuillere, C., and D. Hubert (1989), Ion composition and ion temperature anisotropy in periods of high electric fields from incoherent scatter observations, Ann. Geophys., 7, 285-296.
20. Lehtinen, M., and A. Huuskonen (1996), General incoherent scatter analysis and GUISDAP error estimates valid for high signal strength, J. Atmos. Terr. Phys., 58, 435.
21. Maeda, S., S. Nozawa, M. Sugino, H. Fujiwara, and M. Suzuki (2002), Ion and neutral temperature distributions in the dayside lower E region observed by the EISCAT Tromso and Svalbard radars, Ann. Geophys., 20, 1415-1427.
22. Matsuo, T., A. D. Richmond, and D. W. Nychka (2002), Modes of high-latitude electric field variability derived from DE-2 measurements: Empirical Orthogonal Function (EOF) analysis, Geophys. Res. Lett., 29(1), 1107, doi: 10.1029/2001GL014077.
23. Matsuo, T., A. D. Richmond, and K. Hensel (2003), High-latitude ionospheric electric field variability and electric potential derived from DE-2 plasma drift measurements: Dependence on IMF and dipole tilt, J. Geophys. Res., /OS(A1), 1005, doi:10.1029/2002JA009429.
24. McCormac, F. G., T. L. Killeen, A. G. Burns, J. W. Meriwether, R. G. Roble, L. E. Wharton, and N. W. Spencer (1988), Polar cap diurnal temperature variations: Observations and modeling, J. Geophys. Res., 93, 7466-7477.
25. ∥ from the study of ion frictional heating events, J. Geophys. Res.,98, 15,701-15,715.
26. Moorcroft, D. R., and K. Schlegel (1988), E region coherent backscatter at short wavelength and large aspect angle, J. Geophys. Res., 93, 2005-2010.
27. Nozawa, S., and A. Brekke (2000), A case study of the auroral E region neutral wind on a quiet summer day: Comparison of the European Incoherent Scatter UHF radar for deriving the E region wind, Radio Sci, 35, 845-863.
28. Rino, C. L., A. Brekke, and M. J. Baron (1977), High-resolution auroral zone E region neutral wind and current measurements by incoherent scatter radar, J. Geophys. Res., 82, 2295-2304.
29. Rodger, A. S., G. D. Wells, R. J. Moffett, and G. J. Bailey (2001), The variability of Joule heating, and its effects on the ionosphere and thermosphere, Ann. Geophys., 19, 773-781.
30. Schlegel, K. (1995), The EISCAT and EISCAT data base - A tool for ionospheric modeling (E and D region), Adv. Space Res., 76(1), 147-154.
31. Schlegel, K., and J.-P. St.-Maurice (1981), Anomalous heating of the polar £ region by unstable plasma waves: 1. Observations, J. Geophys. Res., 86, 1447-1452.
32. Schunk, R. W., and J. C. G. Walker (1973), Theoretical ion densities in the lower ionosphere, Planet. Space Sci., 21, 1875-1896.
33. Shepherd, S. G., J. M. Ruohoniemi, and R. A. Greenwald (2003), Direct measurements of the ionospheric convection variability near the cusp/throat, Geophys. Res. Lett., 30(21), 2109, doi:10.1029/2003GL017668.
34. St.-Maurice, J.-P., and W. B. Hanson (1982), Ion frictional heating at high latitudes and its possible use for an in situ determination of neutral thermospheric winds and temperatures, J. Geophys. Res., 87, 7580-7602.
35. St.-Maurice, J.-P., and W. B. Hanson (1984), A statistical study of F region ion temperature at high latitudes based on Atmospheric Explorer C data, J. Geophys. Res., 89, 987-996.
36. St.-Maurice, J.-P., and R. W. Schunk (1977), Auroral ion velocity distributions for a polarization collision model. Planet. Space Sci., 25, 243-260.
37. St.-Maurice, J.-P., and R. W. Schunk (1979), Ion velocity distributions in the high-latitude ionosphere, Rev. Geophys., 17, 99-134.
38. St.-Maurice, J.-P., K. Schlegel, and P. M. Banks (1981), Anomalous heating of the polar E region by unstable plasma waves: 2. Theory, J. Geophys. Res., 86, 1453-1462.
39. St.-Maurice, J.-P., C. Cussenot, and W. Kofman (1999), On the usefulness of E region electron temperatures and lower Fregion ion temperatures for the extraction of thermospheric parameters: A case study, Ann. Geophys., 17, 1182-1198.
40. Thayer, J. P., J. F. Vickrey, R. A. Heelis, and J. B. Gary (1995), Interpretation and modeling of the hieh-latitude electromagnetic energy flux, J. Geophys. Res., 100, 19, 715-19, 728.
41. Wannberg, U. G., et al. (1997), The EISCAT Svalbard radar: A case study in modern incoherent scatter radar system design, Radio Sci., 32, 2283-2307.
42. Williams, P. J. S., B. Jones, and G. O. L. Jones (1992), The measured relationship between electric field strength and electron temperature in the auroral E region, J. Atmos. Terr. Phys., 54, 741-748.
43. Williams, P. J. S., T. S. Virdi, G. O. L. Jones, and A. Huuskonen (1994), A comparison of three methods of measuring tidal oscillations in the lower thermosphere using EISCAT common programs, J. Atmos. Terr. Phys., 56, 1347-1359.
44. Winkler, E., J.-P. St.-Maurice, and A. R. Barakat (1992), Results from improved Monte Carlo calculations of auroral ion velocity distributions, J. Geophys. Res., 97, 8399-8423.
45. Wu, Q., T. L. Killeen, W. Deng, A. G. Burns, J. D. Winningham, N. W. Spencer, R. A. Heelis, and W. B. Hansori (1996), Dynamics Explorer 2 satellite observations and satellite track model calculations in the cusp/cleft region, J. Geophys. Res., 101, 5329-5342.