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地球与行星物理

ISSN  2096-3955

CN  10-1502/P

Citation: ZhongHua Yao, 2017: Observations of loading-unloading process at Saturn’s distant magnetotail, Earth and Planetary Physics, 1, 53-57. doi: 10.26464/epp2017007

2017, 1(1): 53-57. doi: 10.26464/epp2017007

Observations of loading-unloading process at Saturn’s distant magnetotail

Laboratoire de Physique Atmosphérique et Planétaire, STAR institute, Université de Liège, Liège, Belgium

Corresponding author: ZhongHua Yao, zhonghua.yao@ulg.ac.be

Received Date: 2017-07-31
Web Publishing Date: 2017-01-01

Using in-situ measurements from the Cassini spacecraft in 2013, we report an Earth substorm-like loading-unloading process at Saturn’s distant magnetotail. We found that the loading process is featured with two distinct processes: a rapid loading process that was likely driven by an internal source and a slow loading process that was likely driven by solar wind. Each of the two loading processes could also individually lead to an unloading process. The rapid internal loading process lasts for ~ 1-2 hours; the solar wind driven loading process lasts for ~ 3-18 hours and the following unloading process lasts for ~1-3 hours. In this letter, we suggest three possible loading-unloading circulations, which are fundamental in understanding the role of solar wind in driving giant planetary magnetospheric dynamics.

Key words: saturn magnetosphere, loading-unloading process, magnetic reconnection, dipolarization

Akasofu, S. I. (1964), The development of the auroral substorm, <italic>Planet. Space Sci.</italic>, <italic>12</italic>(4), 273-282, doi: 10.1016/0032-0633(64)90151-5

Akasofu, S. I. (2017), Auroral substorms: search for processes causing the expansion phase in terms of the electric current approach, <italic>Space Sci. Rev.</italic>,, 1-41, doi: 10.1007/s11214-017-0363-7

Arridge, C. S., André, N., McAndrews, H. J., Bunce, E. J., Burger, M. H., Hansen, K. C., Hsu, H. W., Johnson, R. E., Jones, G. H., Kempf, S., Khurana, K. K., Krupp, N., Kurth, W. S., Leisner, J. S., Paranicas, C., Roussos, E., Russell, C. T., Schippers, P., Sittler, E. C., Smith, H. T., Thomsen, M. F., and Dougherty, M. K. (2011), Mapping magnetospheric equatorial regions at Saturn from Cassini prime mission observations, <italic>Space Sci. Rev.</italic>, <italic>164</italic>(1-4), 1-83, doi: 10.1007/s11214-011-9850-4

Arridge, C. S., McAndrews, H. J., Jackman, C. M., Forsyth, C., Walsh, A. P., Sittler, E. C., Gilbert, L. K., Lewis, G. R., Russell, C. T., Coates, A. J. J., Dougherty, M. K., Collinson, G. A., Wellbrock, A., and Young, D. T. (2009), Plasma electrons in Saturn's magnetotail: Structure, distribution and energisation, <italic>Planet. Space Sci.</italic>, <italic>57</italic>(14), 2032-2047, doi: 10.1016/j.pss.2009.09.007

Birn, J., Thomsen, M. F., Borovsky, J. E., Reeves, G. D., McComas, D. J., and Belian, R. D. (1997), Characteristic plasma properties during dispersionless substorm injections at geosynchronous orbit, <italic>J. Geophys. Res.: Space Phys.</italic>, <italic>102</italic>(A2), 2309-2324, doi: 10.1029/96JA02870

Boström, R. (1964), A model of the auroral electrojets, <italic>J. Geophys. Res.</italic>, <italic>69</italic>(23), 4983-4999, doi: 10.1029/JZ069i023p04983

Carbary, J. F., and Mitchell, D. G. (2013), Periodicities in Saturn's magnetosphere, <italic>Rev. Geophys.</italic>, <italic>51</italic>(1), 1-30, doi: 10.1002/rog.20006

Carbary, J. F., Mitchell, D. G., Krimigis, S. M., Hamilton, D. C., and Krupp, N. (2007), Spin-period effects in magnetospheres with no axial tilt, <italic>Geophys. Res. Lett.</italic>, <italic>34</italic>(18), doi: 10.1029/2007GL030483

Dougherty, M. K., Kellock, S., Southwood, D. J., Balogh, A., Smith, E. J., Tsurutani, B. T., Gerlach, B., Glassmeier, K. H., Gleim, F., Russell, C. T., Erdos, G., Neubauer, F. M., and Cowley, S. W. H. (2004), The cassini magnetic field investigation, <italic>Space Sci. Rev.</italic>, <italic>114</italic>(1), 331-383, doi: 10.1007/s11214-004-1432-2

Espinosa, S. A., Southwood, D. J., and Dougherty, M. K. (2003), How can Saturn impose its rotation period in a noncorotating magnetosphere?., <italic>J. Geophys. Res.: Space Phys.</italic>, <italic>108</italic>(A2), 1086, doi: 10.1029/2001JA005084

Ge, Y. S., Jian, L. K., and Russell, C. T. (2007), Growth phase of Jovian substorms, <italic>Geophys. Res. Lett.</italic>, <italic>34</italic>(23), doi: 10.1029/2007GL031987

Hill, T. W., Rymer, A. M., Burch, J. L., Crary, F. J., Young, D. T., Thomsen, M. F., Delapp, D., André, N., Coates, A. J., and Lewis, G. R. (2005), Evidence for rotationally driven plasma transport in Saturn's magnetosphere, <italic>Geophys. Res. Lett.</italic>, <italic>32</italic>(14), L14S10, doi: 10.1029/2005GL022620

Jackman, C. M., Arridge, C. S., André, N., Bagenal, F., Birn, J., Freeman, M. P., Jia, X., Kidder, A., Milan, S. E., Radioti, A., Slavin, J. A., Vogt, M. F., Volwerk, M., and Walsh, A. P. (2014), Large-scale structure and dynamics of the magnetotails of Mercury, Earth, Jupiter and Saturn, <italic>Space Sci. Rev.</italic>, <italic>182</italic>(1-4), 85-154, doi: 10.1007/s11214-014-0060-8

Jackman, C. M., Lamy, L., Freeman, M. P., Zarka, P., Cecconi, B., Kurth, W. S., Cowley, S. W. H., and Dougherty, M. K. (2009), On the character and distribution of lower-frequency radio emissions at Saturn and their relationship to substorm-like events, <italic>J. Geophys. Res.: Space Phys.</italic>, <italic>114</italic>(A8), doi: 10.1029/2008JA013997

Jackman, C. M., Russell, C. T., Southwood, D. J., Arridge, C. S., Achilleos, N., and Dougherty, M. K. (2007), Strong rapid dipolarizations in Saturn's magnetotail: In situ evidence of reconnection, <italic>Geophys. Res. Lett.</italic>, <italic>34</italic>(11), doi: 10.1029/2007GL029764

Kronberg, E., Glassmeier, K. H., Woch, J., Krupp, N., Lagg, A., and Dougherty, M. K. (2007), A possible intrinsic mechanism for the quasi-periodic dynamics of the Jovian magnetosphere, <italic>J. Geophys. Res.: Space Phys.</italic>, <italic>112</italic>(A5), doi: 10.1029/2006JA011994

Kronberg, E. A., Woch, J., Krupp, N., Lagg, A., Khurana, K. K., and Glassmeier, K. H. (2005), Mass release at Jupiter: Substorm-like processes in the Jovian magnetotail, <italic>J. Geophys. Res.: Space Phys.</italic>, <italic>110</italic>(A3), A03211, doi: 10.1029/2004JA010777

Krupp, N., Woch, J., Lagg, A., Wilken, B., Livi, S., and Williams, D. J. (1998), Energetic particle bursts in the predawn Jovian magnetotail, <italic>Geophys. Res. Lett.</italic>, <italic>25</italic>(8), 1249-1252, doi: 10.1029/98GL00863

Liu, J., Angelopoulos, V., Zhou, X. Z., Runov, A., and Yao, Z. H. (2013), On the role of pressure and flow perturbations around dipolarizing flux bundles, <italic>J. Geophys. Res.: Space Phys.</italic>, <italic>118</italic>(11), 7104-7118, doi: 10.1002/2013JA019256

Lui, A. T. Y. (1991), A synthesis of magnetospheric substorm models, <italic>J. Geophys. Res.: Space Phys.</italic>, <italic>96</italic>(A2), 1849-1856, doi: 10.1029/90JA02430

Lui, A. T. Y. (1996), Current disruption in the Earth's magnetosphere: Observations and models, <italic>J. Geophys. Res.: Space Phys.</italic>, <italic>101</italic>(A6), 13067-13088, doi: 10.1029/96JA00079

McPherron, R., Russell, C., and Aubry, M. (1973), Satellite studies of magnetospheric substorms on August 15, 1968: 9. Phenomenological model for substorms, <italic>J. Geophys. Res.</italic>, <italic>78</italic>(16), 3131-3149, doi: 10.1029/JA078i016p03131

Mitchell, D. G., Brandt, P. C., Roelof, E. C., Dandouras, J., Krimigis, S. M., Mauk, B. H., Paranicas, C. P., Krupp, N., Hamilton, D. C., Kurth, W. S., Zarka, P., Dougherty, M. K., Bunce, E. J., and Shemansky, D. E. (2005), Energetic ion acceleration in Saturn's magnetotail: Substorms at Saturn?., <italic>Geophys. Res. Lett.</italic>, <italic>32</italic>(20), doi: 10.1029/2005GL022647

Mitchell, D. G., Carbary, J. F., Bunce, E. J., Radioti, A., Badman, S. V., Pryor, W. R., Hospodarsky, G. B., and Kurth, W. S. (2016), Recurrent pulsations in Saturn’s high latitude magnetosphere, <italic>Icarus</italic>, <italic>263</italic>, 94-100, doi: 10.1016/j.icarus.2014.10.028

Pu, Z. Y., Chu, X. N., Cao, X., Mishinm, V., Angelopoulos, V., Wang, J., Wei, Y., Zong, Q.-G., Fu, S. Y., Xie, L., Glassmeier, K. H., Frey, H., Russell, C. T., Liu, J., McFadden, J., Larson, D., Mende, S., Mann, I., Sibeck, D., Sapronova, L. A., Tolochko, M. V., Saifudinova, T. I., Yao, Z. H., Wang, X. G., Xiao, C. J., Zhou, X. Z., Reme, H., and Lucek, E. (2010), THEMIS observations of substorms on 26 February 2008 initiated by magnetotail reconnection, J. Geophys. Res.: Space Phys.;, 115(A2), A02212, doi: 10.1029/2009JA014217

Radioti, A., Grodent, D., Gérard, J. C., Bonfond, B., Gustin, J., Pryor, W., Jasinski, J. M., and Arridge, C. S. (2013), Auroral signatures of multiple magnetopause reconnection at Saturn, <italic>Geophys. Res. Lett.</italic>, <italic>40</italic>(17), 4498-4502, doi: 10.1002/grl.50889

Russell, C. T., Jackman, C. M., Wei, H. Y., Bertucci, C., and Dougherty, M. K. (2008), Titan’s influence on Saturnian substorm occurrence, <italic>Geophys. Res. Lett.</italic>, <italic>35</italic>(12), doi: 10.1029/2008GL034080

Sergeev, V. A., Angelopoulos, V., Gosling, J. T., Cattell, C. A., and Russell, C. T. (1996), Detection of localized, plasma-depleted flux tubes or bubbles in the midtail plasma sheet, <italic>J. Geophys. Res.</italic>, <italic>101</italic>(A5), 10817-10826, doi: 10.1029/96JA00460

Slavin, J. A., Anderson, B. J., Baker, D. N., Benna, M., Boardsen, S. A., Gloeckler, G., Gold, R. E., Ho, G. C., Korth, H., Krimigis, S. M., McNutt, R. L., Nittler, L. R., Raines, J. M., Sarantos, M., Schriver, D., Solomon, S. C., Starr, R. D., Travnicek, P. M., and Zurbuchen, T. H. (2010), MESSENGER observations of extreme loading and unloading of Mercury’s magnetic tail, <italic>Science</italic>, <italic>329</italic>(5992), 665-668, doi: 10.1126/science.1188067

Southwood, D. J., and M. G. Kivelson (2007), Saturnian magnetospheric dynamics: Elucidation of a camshaft model, <italic>J. Geophys. Res.: Space Phys.</italic>, <italic>112</italic>(A12), doi: 10.1029/2007JA012254

Sun, W. J., Slavin, J. A., Fu, S. Y., Raines, J. M., Zong, Q.-G., Imber, S. M., Shi, Q. Q., Yao, Z. H., Poh, G., Gershman, D. J., Pu, Z. Y., Sundberg, T., Anderson, B. J., Korth, H., and Baker, D. N. (2015), MESSENGER observations of magnetospheric substorm activity in Mercury's near magnetotail, <italic>Geophys. Res. Lett.</italic>, <italic>42</italic>(10), 3692-3699, doi: 10.1002/2015GL064052

Yao, Z. H., Coates, A. J., Ray, L. C., Rae, I. J., Grodent, D., Jones, G. H., Dougherty, M. K., Owen, C. J., Guo, R. L., Dunn, W., Radioti, A., Pu, Z. Y., Lewis, G. R., Waite, J. H., and Gerard, J. C. (2017a). Discovery of co-rotating magnetic reconnection in Saturn's magnetosphere. arXiv:1701.04559222

Yao, Z. H., Grodent, D., Ray, L. C., Rae, I. J., Coates, A. J., Pu, Z. Y., Lui, A. T., Radioti, A., Waite, J. H., Jones, G. H., Guo, R. L., and Dunn, W. R. (2017b), Two fundamentally different drivers of dipolarizations at Saturn, <italic>J. Geophys. Res.: Space Phys.</italic>, <italic>122</italic>(4), 4348-4356, doi: 10.1002/2017JA024060

Yao, Z. H., Pu, Z. Y., Fu, S. Y., Angelopoulos, V., Kubyshkina, M., Xing, X., Lyons, L., Nishimura, Y., Xie, L., Wang, X. G., Xiao, C. J., Cao, X., Liu, J., Zhang, H., Nowada, M., Zong, Q.-G., Guo, R. L., Zhong, J., and Li, J. X. (2012), Mechanism of substorm current wedge formation: THEMIS observations, <italic>Geophys. Res. Lett.</italic>, <italic>39</italic>(13), L13102, doi: 10.1029/2012GL052055

Yao, Z. H., Sun, W. J., Fu, S. Y., Pu, Z. Y., Liu, J., Angelopoulos, V., Zhang, X. J., Chu, X. N., Shi, Q. Q., Guo, R. L., and Zong, Q.-G. (2013), Current structures associated with dipolarization fronts, <italic>J. Geophys. Res.: Space Phys.</italic>, <italic>118</italic>(11), 6980-6985, doi: 10.1002/2013JA019290

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Observations of loading-unloading process at Saturn’s distant magnetotail

ZhongHua Yao