Substorm and magnetosphere characteristic scales inferred from the SuperMAG auroral electrojet indices

Journal of Geophysical Research: Space Physics

Volumn 116, Issue 12, 2011, Pages

  Newell, P T ^a   Gjerloev, J W ^b  

^a JOHNS HOPKINS UNIVERSITY   (United States)

^b UNIVERSITY OF BERGEN   (Norway)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 84855436873     PISSN: None     EISSN: 21699402     Source Type: Journal    
DOI: 10.1029/2011JA016936     Document Type: Article

References (25)

1. Borovsky, J. E., R. J. Nemzek, and R. D. Belian (1993), The occurrence rate of magnetospheric-substorm onsets: Random and periodic substorms, J. Geophys. Res., 98, 3807, doi:10.1029/92JA02556.
2. Borovsky, J. E., M. Hesse, J. Birn, and M. M. Kuznetzova (2008), What determines the reconnection rate at the dayside magnetosphere?, J. Geo-phys. Res., 113, A07210, doi:10.1029/2007JA012645.
3. Cassak, P. A., and M. A. Shay (2007), Scaling of asymmetric magnetic reconnection in collisional plasmas, Phys. Plasmas, 14, 102114, doi:10.1063/1.2795630. (Pubitemid 350097982)
4. Consolini, G., and P. De Michelis (1998), Non-Gaussian distribution function of AE-index fluctuations: Evidence for time intermittency, Geophys. Res. Lett., 25, 4087, doi:10.1029/1998GL900073.
5. Davis, T. N., and M. Sugiura (1966), Auroral electrojet activity index AE and its universal time variations, J. Geophys. Res., 71, 785.
6. Freeman, M. P., and N. W. Watkins (2002), The heavens in a pile of sand, Science, 298, 979, doi:10.1126/science.1075555. (Pubitemid 35247297)
7. Gjerloev, J. W., R. A. Hoffman, M. M. Friel, L. A. Frank, and J. B. Sigwarth (2004), Substorm behavior of the auroral electrojet indices, Ann. Geophys., 22, 2135, doi:10.5194/angeo-22-2135-2004.
8. Kamide, Y., and G. Rostoker (2004), What is the physical meaning of the AE index?, Eos Trans. AGU, 85, 188.
9. Kamide, Y., et al. (1982), Global distribution of ionospheric and field-aligned currents during substorms as determined from six IMS meridian chains of magnetometers: Initial results, J. Geophys. Res., 87, 8228, doi:10.1029/JA087iA10p08228.
10. Klimas, A. J., D. Vassiliadis, D. N. Baker, and D. A. Roberts (1996), The organized nonlinear dynamics of the magnetosphere, J. Geophys. Res., 101, 13,089, doi:10.1029/96JA00563.
11. Lui, A. T. Y., S. C. Chapman, K. Liou, P. T. Newell, C.-I. Meng, M. Brittnacher, and G. K. Parks (2000), Is the dynamic magnetosphere an avalanching system?, Geophys. Res. Lett., 27, 911-914, doi:10.1029/1999GL010752.
12. Newell, P. T., and J. W. Gjerloev (2011), Evaluation of SuperMAG auroral electrojet indices as indicators of substorms and auroral power, J. Geo-phys. Res., 116, A12211, doi:10.1029/2011JA016779.
13. Newell, P. T., K. Liou, T. Sotirelis, and C.-I. Meng (2001), Auroral power during substorms: A Polar UVI based superposed epoch analysis, J. Geo-phys. Res., 106, 28,885, doi:10.1029/2000JA000428.
14. Newell, P. T., T. Sotirelis, K. Liou, C.-I. Meng, and F. J. Rich (2007), A nearly universal solar wind-magnetosphere coupling function inferred from 10 magnetospheric state variables, J. Geophys. Res., 112, A01206, doi:10.1029/2006JA012015.
15. Newell, P. T., T. Sotirelis, and S. Wing (2009), Diffuse, monoenergetic, and broadband aurora: The global precipitation budget, J. Geophys. Res., 114, A09207, doi:10.1029/2009JA014326.
16. Newell, P. T., A. R. Lee, K. Liou, S.-I. Ohtani, T. Sotirelis, and S. Wing (2010), Substorm cycle dependence of various types of aurora, J. Geophys. Res., 115, A09226, doi:10.1029/2010JA015331.
17. Rostoker, G. (1972), Geomagnetic indices, Rev. Geophys., 10, 935, doi:10.1029/RG010i004p00935.
18. Rypdal, M., and K. Rypdal (2010), Stochastic modeling of the AE index and its relation to fluctuations in Bz of the IMF on time scales shorter than substorm duration, J. Geophys. Res., 115, A11216, doi:10.1029/2010JA015463.
19. Shan, L.-H., P. Hansen, C. K. Goertz, and R. A. Smith (1991), Chaotic appearance of the AE index, Geophys. Res. Lett., 18, 147, doi:10.1029/90GL02477.
20. Takalo, J., J. Timonen, and H. Koskinen (1994), Properties of AE data and bicolored noise, J. Geophys. Res., 99, 13,239, doi:10.1029/94JA00516.
21. Thorne, R. M., B. Ni, X. Tao, R. B. Horne, and N. P. Meredith (2010), Origin of Earth's diffuse aurora: A dominant energy source for the night-side pper atmosphere, Nature, 467, 943, doi:10.1038/nature09467.
22. Tsurutani, B. T., M. Suigura, T. Iyemori, B. E. Goldstein, W. D. Gonzalez, S.-I. Akasofu, and E. J. Smith (1990), The nonlinear response of AE to the IMF Bs driver: A spectral break at 5 hours, Geophys. Res. Lett., 17, 279, doi:10.1029/GL017i003p00279.
23. Vassiliadis, D., A. J. Klimas, D. N. Baker, and D. A. Roberts (1996), The nonlinearity of models of the vBsouth-AL coupling, J. Geophys. Res., 101, 19,779, doi:10.1029/96JA01408.
24. Wing, S., J. R. Johnson, P. T. Newell, and C.-I. Meng (2005), Dawn-dusk asymmetries, ion spectra, and sources in the northward interplanetary magnetic field plasma sheet, J. Geophys. Res., 110, A08205, doi:10.1029/2005JA011086. (Pubitemid 44116615)
25. Wing, S., J. R. Johnson, and M. Fujimoto (2006), Timescale for the formation of the cold-dense plasma sheet: A case study, Geophys. Res. Lett., 33, L23106, doi:10.1029/2006GL027110. (Pubitemid 47407853)