[1] Blake J B, Kolasinski W A, Fillius R W and Mullen E G 1992 Geophys. Res. Lett. 19 821 [2] Rodger C J, Clilverd M A, Green J C and Lam M M 2010 J. Geophys. Res. 115 A04202 [3] Meredith N P, Horne R B, Lam M M, Denton M H, Borovsky J E and Green J C 2011 J. Geophys. Res. 116 A05223 [4] Reeves G D 2013 Science 341 991 [5] Zhang Z X and Li X Q 2016 Advances in Space Research 58 587 [6] Xiao F L, He Z G, Su Z P, et al. 2011 Chin. Phys. Lett. 28 039401 [7] Luo X D, Niu S L and Zuo Y H 2015 Acta Phys. Sin. 64 069401 (in Chinese) [8] Pinto O, Gonzalez W D, Pinto R C A, Gonzalez A L C and Mendes O 1992 J. Atmos. Terr. Phys. 54 1129 [9] Li X, Baker D N, Kanekal S G, Looper M and Temerin M 2001 Geophys. Res. Lett. 28 3827 [10] Zou H, Li C, Zong Q, Parks G K, Pu Z, Chen H, Xie L and Zhang X 2015 J. Geophys. Res. Space Physics 120 4475 [11] Zou H, Zong Q, Parks G K, Pu Z Y, Chen H F and Xie L 2011 J. Geophys. Res. 116 A10229 [12] Hudson M K, Elkington S R, Lyon J G, Marchenko V A, Roth I, Temerin M, Blake J B, Gussenhov M S and Wygant J R 1997 J. Geophys. Res. 102 14087 [13] Young S L, Denton R E, Anderson B J and Hudson M K 2008 J. Geophys. Res. 113 A03210 [14] Selesnick R S, Hudson M K and Kress B T 2010 J. Geophys. Res. 115 A08211 [15] Sutton E K, Forbes J M and Nerem R S 2005 J. Geophys. Res. 110 A09S40 [16] Looper M D, Blake J B and Mewaldt R A 2005 Geophys. Res. Lett. 32 L03S06 [17] Albert J M, Ginet G P and Gussenhove M S 1998 J. Geophys. Res. 103 9261 [18] Shen X H, Zhang X M, Yuan S G, Wang L W, Cao J B, Huang J P, et al. 2018 Sci. China Techn. Sci. 61 634 [19] Zhang Z, Chen L, Liu S, Xiong Y, Li X, Wang Y, et al. 2020 Geophys. Res. Lett. 47 e2019GL086226 [20] Li X Q, Xu Y B, AN Z H, Liang X H, Wang P, Zhao X Y, et al. 2019 Radiation Detection Technology and Methods 3 22 [21] Roederer J G and Zhang H 2014 Dynamics of Geomagnetically Trapped Radiation, 2nd edn. (Fairbanks, Alaska, USA:Springer) pp. 72-74 [22] Thébault E, Finlay C C, Beggan C D, Alken P, Aubert J, Barrois O, et al. 2015 Earth Planets Space 67 79 [23] Tsyganenko N A and Sitnov M I 2005 J. Geophys. Res. 110 A03208 [24] Boscher D, Bourdarie S, O'Brien P and Guild T 2004 (1 ONERA-DESP, Toulouse France; 2 Aerospace Corporation, Washington DC, USA), ONERA-DESP library V4.1, Toulouse-France, 2004-2007 [25] Asikainen T and Mursula K 2005 Geophys. Res. Lett. 32 L16102 [26] Gautam D Badhwar 1997 J. Geophys. Res. 102 2343 [27] Casadio S and O Arino 2011 Adv. Space Res. 48 1056 [28] Dachev T P, Tomov B, Matviichuk Y N, Koleva R, Semkova J, Petrov V, et al. 1999 Radiation Measurements 30 269 [29] Fürst F, Wilms J, Rothschild R E, Pottschmidt K, Smith D M and Lingenfelter R 2009 Earth and Planetary Science Letters 281 125 [30] Huston S, Kuch G and Pfitzer K 1998 Adv. Space Res. 21 1625 [31] Kuznetsov N V and Nikolayeva N I 2012 Cosmic Research 50 13 [32] Qin M, Zhang X, Ni B, Song H, Zou H and Sun Y 2014 J. Geophys. Res. Space Physics 119 9658 [33] Krauss S, Behzadpour S, Temmer M and Lhotka C 2019 J. Geophys. Res. Space Physics 125 e2019JA027731 [34] Kim H J and Chan A A 1997 J. Geophys. Res. Space Physics 102 22107 [35] Li X L, Barker A B, Baker D N, Tu W C, Sarris T E, Selesnick R S, Friedel R and Shen C 2009 Space Weather 7 S02004 [36] Delcourt D C, Martin R F Jr and Alem F 1994 Geophys. Res. Lett. 21 1543 [37] Imhof W L, Chenette D L, Gaines E E and Winningham J D 1997 J. Geophys. Res. 102 95 [38] Selesnick R S, Baker D N, Jaynes A N, Li X, Kanekal S G, Hudson M K and Kress B T 2016 J. Geophys. Res. Space Phys. 121 |