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  • Wang, J. Z., Zhu, Q., Gu, X. D., Fu, S., Guo, J. G., Zhang, X. X., Yi, J., Guo, Y. J., Ni, B. B., and Xiang, Z. (2020). An empirical model of the global distribution of plasmaspheric hiss based on Van Allen Probes EMFISIS measurements. Earth Planet. Phys., 4(3), 246–265. DOI: 10.26464/epp2020034
    Citation: Wang, J. Z., Zhu, Q., Gu, X. D., Fu, S., Guo, J. G., Zhang, X. X., Yi, J., Guo, Y. J., Ni, B. B., and Xiang, Z. (2020). An empirical model of the global distribution of plasmaspheric hiss based on Van Allen Probes EMFISIS measurements. Earth Planet. Phys., 4(3), 246–265. DOI: 10.26464/epp2020034
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An empirical model of the global distribution of plasmaspheric hiss based on Van Allen Probes EMFISIS measurements

  • Using wave measurements from the EMFISIS instrument onboard Van Allen Probes, we investigate statistically the spatial distributions of the intensity of plasmaspheric hiss waves. To reproduce these empirical results, we establish a fitting model that is a third-order polynomial function of L-shell, magnetic local time (MLT), magnetic latitude (MLAT), and AE*. Quantitative comparisons indicate that the model’s fitting functions can reflect favorably the major empirical features of the global distribution of hiss wave intensity, including substorm dependence and the MLT asymmetry. Our results therefore provide a useful analytic model that can be readily employed in future simulations of global radiation belt electron dynamics under the impact of plasmaspheric hiss waves in geospace.
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