Polar rain gradients and field-aligned polar cap potentials

Journal of Geophysical Research: Space Physics

Volumn 113, Issue 10, 2008, Pages

  Fairfield, D H ^a   Wing, S ^b,f   Newell, P T ^b,f   Ruohoniemi, J M ^b,c   Gosling, J T ^d   Skoug, R M ^e  

^a NASA GODDARD SPACE FLIGHT CENTER   (United States)

^b JOHNS HOPKINS UNIVERSITY APPLIED PHYSICS LABORATORY   (United States)

^c Virginia Polytechnic Institute and State University   (United States)

^d UNIVERSITY OF COLORADO   (United States)

^e LOS ALAMOS NATIONAL LABORATORY   (United States)

^f JOHNS HOPKINS UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 57549096685     PISSN: None     EISSN: 21699402     Source Type: Journal    
DOI: 10.1029/2008JA013437     Document Type: Article

References (36)

1. Anderson, P. C., D. L. McKenzie, D. W. Datlowe, J. D. Hawley, S. M. Petrinec, M. Schulz, and D. E. Larson (2000), Polar cap X-rays and electrons under low density solar wind conditions: Coordinated PIXIE and DMSP observations on 11 May 1999, Geophys. Res. Lett., 27, 4021, doi:10.1029/2000GL011983.
2. Baker, D. N., S. J. Bame, W. C. Feldman, J. T. Gosling, and R. D. Zwickl (1986), Strong electron bidirectional anisotropics in the distant tail: ISEE 3 observations of polar rain, J. Geophys. Res., 91, 5637, doi:10.1029/ JA091iA05p05637.
3. Baker, D. N., S. J. Bame, J. T. Gosling, and M. S. Gussenhoven (1987), Observations of polar rain at low and high altitudes, J. Geophys. Res., 92, 13,547, doi:10.1029/JA092iA12p13547.
4. Chisham, G., et al. (2007), A decade of the Super Dual Auroral Radar Network (SuperDARN): Scientific achievements, new techniques and future directions, Surv. Geophys., 28, 33-109, doi:10.1007/s10712-007-9017-8.
5. Ergun, R. E., et al. (1998), Wind spacecraft observations of solar impulsive electron events associated with solar type III radio bursts, Astrophys. J., 503, 435, doi: 10.1086/305954.
6. Fairfield, D. H., and J. D. Scudder (1985), Polar rain: Solar coronal electrons in the Earth's magnetosphere, J. Geophys. Res., 90, 4055.
7. Gopalswamy, N., S. Yashiro, M. L. Kaiser, R. A. Howard, and J.-L. Bougeret (2001), Radio signatures of coronal mass ejection interactions: Coronal mass ejection cannibalism?, Ap. J., 548, L91-L94, doi:10.1086/318939.
8. Gosling, J. T., D. N. Baker, S. J. Bame, and R. D. Zwickl (1986), Bidirectional solar wind electron heat flux and hemispherically symmetric polar rain, J. Geophys. Res., 91, 11,352, doi:10.1029/JA091iA10p11352.
9. Gosling, J. T., R. M. Skoug, and D. J. McComas (2003), Solar electron bursts at very low energies: Evidence for acceleration in the high corona?, Geophys. Res. Lett., 30(13), 1697, doi: 10.1029/2003GL017079.
10. Gosling, J. T., R. M. Skoug, and D. J. McComas (2004a), Low-energy solar electron bursts and solar wind stream structure at 1 AU, J. Geophys. Res., 109, A04104, doi:10.1029/2003JA010309.
11. Gosling, J. T., C. A. de Koning, R. M. Skoug, J. T. Steinberg, and D. J. McComas (2004b), Dispersionless modulations in low-energy solar electron bursts and discontinuous changes in the solar wind electron strahl, J. Geophys. Res., 109, A05102, doi:10.1029/2003JA010338.
12. Gosling, J. T., R. M. Skoug, D. J. McComas, and J. E. Mazur (2004c), Correlated dispersionless structure in suprathermal electrons and solar energetic ions in the solar wind, Astrophys. J., 614, 412-419, doi:10.1086/423368.
13. Greenspan, M. E., C.-I. Meng, and D. H. Fairfield (1986), Simultaneous polar cap and magnetotail observations of intense polar rain, J. Geophys. Res., 91, 11,123, doi:10.1029/JA091iA10p11123.
14. Gussenhoven, M. S., D. A. Hardy, N. Heinemann, and R. K. Burkhardt (1984), Morphology of the polar rain, J. Geophys. Res., 89, 9785, doi:10.1029/JA089iA11p09785.
15. Lin, R. P. (1985), Energetic solar electrons in the interplanetary medium, Sol. Phys., 100, 537, doi:10.1007/BF00158444.
16. Lin, R. P., and K. A. Anderson (1966), Evidence for connection of geomagnetic field lines to the interplanetary field, J. Geophys. Res., 71, 4213.
17. McComas, D. J., S. J. Bame, P. Barker, W. C. Feldman, J. L. Phillips, P. Riley, and J. W. Griffee (1998), Solar wind electron proton alpha monitor (SWEPAM) for the Advanced Composition Explorer, Space Sci. Rev., 86, 563, doi:10.1023/A:1005040232597.
18. Meng, C.-I., S.-I. Akasofa, and K. A. Anderson (1977), Dawn-Dusk gradient of the precipitation of low-energy electrons over the polar cap and its relation to the interplanetary magnetic field, J. Geophys. Res., 82, 5271, doi: 10.1029/JA082i032p05271.
19. Newell, P. T., and S. Wing (1998), Entry of solar wind plasma into the magnetosphere: Observations encounter simulation, in Geospace Mass and Energy Flow: Results From the International Solar-Terrestrial Physics Program, Geophys. Monogr. Ser., vol. 104, edited by L. Horwitz, D. L. Gallagher, and W. K. Peterson, 73 pp., AGU, Washington, D. C.
20. Newell, P. T., S. Wing, C.-I. Meng, and V. Sigillito (1991a), The auroral oval position, structure, and intensity of precipitation from 1984 onward: An automated on-line data base, J. Geophys. Res., 96, 5877, doi:10.1029/ 90JA02450.
21. Newell, P. T., W. J. Burke, E. R. Sanchez, C-I. Meng, M. E. Greenspan, and C. R. Clauer (1991b), The low-latitude boundary layer and the boundary plasma sheet at low altitude: Prenoon precipitation regions and convection reversal boundaries, J: Geophys. Res., 96, 21, 013, doi:10.1029/ 91JA01818.
22. Newell, P. T., W. J. Burke, C.-I. Meng, E. R. Sanchez, and M. E. Greenspan (1991c), Identification of the plasma mantle at low altitude, J. Geophys. Res., 96, 35, doi:10.1029/90JA01760.
23. Ogilvie, K. W., R. Fitzenreiter, and M. Desch (2000), Electrons in the low density solar wind, J. Geophys. Res., 105, 27, 277, doi: 10.1029/ 2000JA000131.
24. Onsager, T. E., C. A. Kletzing, J. B. Austin, and H. MacKiernan (1993), Model of magnetosheath plasma in the magnetosphere: Cusp and mantle particles at low-altitudes, Geophys. Res. Lett., 20, 479, doi: 10.1029/ 93GL00596.
25. Pagel, C., S. P. Gary, C. A. de Koning, R. M. Skoug, and J. T. Steinberg (2007), Scattering of suprathermal electrons in the solar wind: ACE observations, J. Geophys. Res., 112, A04103, doi: 10.1029/2006JA011967.
26. Reiff, P. H., T. W. Hill, and J. L. Burch (1977), Solar wind plasma injection at the dayside magnetospheric cusp, J. Geophys. Res., 82, 479-491, doi:10.1029/JA082i004p00479.
27. Rich, F. J., and M. Hairston (1994), Large-scale convection patterns observed by DMSP, J. Geophys. Res., 99, 3827, doi:10.1029/93JA03296.
28. Ruohoniemi, J. M., and K. B. Baker (1998), Large-scale imaging of high-latitude convection with SuperDARN HF radar observations, J. Geophys. Res., 103, 20,797, doi:10.1029/98JA01288.
29. Shepherd, S. G., and J. M. Ruohoniemi (2000), Electrostatic potential patterns in the high latitude ionosphere constrained by SuperDARN measurements,J. Geophys. Res., 105, 23,005, doi:10.1029/2000JA000171.
30. Shirai, H., K. Maezawa, M. Fujimoto, T. Mukai, T. Yamamoto, Y. Saito, and S. Kokubun (1998), Entry process of low-energy electrons into the magnetosphere along open field lines: Polar rain electrons as field line tracers, J. Geophys. Res., 103, 4379, doi: 10.1029/97JA02031.
31. Smith, C. W., J. L'Heureux, N. F. Ness, M. H. Acuna, L. F. Burlaga, and J. Scheifele (1998), The ACE magnetic fields experiment, Space Sci. Rev., 86, 613, doi:10.1023/A:1005092216668.
32. Wang, L., R. P. Lin, S. Knicker, and J. T. Gosling (2006), Evidence for double injections in scatter-free solar impulsive electron events, Geophys. Res. Lett., 33, L03106, doi:10.1029/2005GL024434.
33. Wing, S., P. T. Newell, and T. G. Onsager (1996), Modeling the entry of magnetosheath electrons into the dayside ionosphere, J. Geophys. Res., 101, 13,155, doi:10.1029/96JA00395.
34. Wing, S., P. T. Newell, and J. M. Ruohoniemi (2001), Double cusp: Model prediction and Observational Verification, J. Geophys. Res., 106, 25,571, doi:10.1029/2000JA000402.
35. Wing, S., P. T. Newell, and C.-I. Meng (2005), Cusp modeling and observations at low altitude, Surv. Geophys., 26, 341, doi:10.1007/s10712-005-1886-0.
36. Winningham, J. D., and W. J. Heikkila (1974), Polar cap auroral electron fluxes observe with Isis 1, J. Geophys. Res., 79, 949, doi:10.1029/ JA079i007p00949.