By Zhenpeng Su

ISBN-10: 3662466503

ISBN-13: 9783662466506

ISBN-10: 3662466511

ISBN-13: 9783662466513

This thesis specializes in the development and alertness of an electron radiation belt kinetic version together with quite a few adiabatic and non-adiabatic procedures. The terrestrial radiation belt used to be found over 50 years in the past and has acquired a resurgence of curiosity lately. the most drivers of radiation belt study are the elemental technological know-how questions surrounding its advanced and dramatic dynamics and especially its power dangers posed to space-borne structures. The institution of physics-based radiation belt versions could be capable of establish the contributions of varied mechanisms, forecast the longer term radiation belt evolution after which mitigate its opposed area climate effects.

Dr. Su is now an Professor works in division of Geophysics and Planetary Sciences, college of technological know-how and know-how of China, Hefei, China.

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Extra resources for A Global Kinetic Model for Electron Radiation Belt Formation and Evolution

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0 MeV The EMIC waves are assumed to be distributed in the 5 % of drift pathes (Li et al. 2007; Shprits et al. 2009b; Su et al. 2010a, 2011a, b, c), and the obtained electron flux evolution is plotted in Figs. 12. Due to the dominance of pitch-angle diffusion, there is no notable difference between the simulation results including and ignoring cross diffusion. The EMIC waves can cause rapid precipitation loss of energetic electrons. 0 MeV are cut to 1/50, 1/200, and 1/3000, respectively. 3 Idealized Simulations 29 (a) (e) (b) (f) (c) (g) (d) (h) Fig.

11 Evolution of EMIC-driven electron flux j = p 2 f (arbitrary unit) in the (αe , E k ) space. The left and right panels correspond to the simulations with and without cross diffusion 34 2 Local Diffusion (a) (b) (c) Fig. 12 Electron flux profiles j = p 2 f at the selected time points. The solid and dashed lines represent the simulations with and without cross diffusion, which coincide with each other References 35 References Albert JM (1999) Analysis of quasi-linear diffusion coefficients. J Geophys Res 104:2429–2442.

The white lines denote the location of plasmapause L pp diffusion. Here, we will revisit the importance of cross-diffusion in three-dimensional simulations by comparison. 3 Idealized Simulations 55 (a) (b) Fig. 0 days) with (dotted) and without (dashed) cross-diffusion. The solid lines represent the steady state electron fluxes at μ = 450 and 900 MeV/G with and without incorporation of crossdiffusion. 0 days) are presented in Fig. 9. The equatoriallytrapped electron PSD for μ =450 MeV/G during main phase is found be overestimated by a factor of 3 in the heart of outer radiation belt, and the overestimate factor can reach 10 during the recovery phase.

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A Global Kinetic Model for Electron Radiation Belt Formation and Evolution by Zhenpeng Su


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