An empirical model of the global distribution of plasmaspheric hiss based on Van Allen Probes EMFISIS measurements

查看全文 作　　者：JingZhi [1]Wang;Qi [1]Zhu;XuDong [1]Gu;Song [1]Fu;JianGuang [2]Guo;XiaoXin [2]Zhang;Juan [1]Yi;YingJie [1]Guo;BinBin [1]Ni;Zheng [1]Xiang

机构地区：[1]Department of Space Physics,School of Electronic Information,Wuhan University,Wuhan 430079,China;[2]Key Laboratory of Space Weather,National Center for Space Weather,China Meteorological Administration,Beijing 100081,China

出　　处：《Earth and Planetary Physics》索引2020年第4卷第3期,共20页

基　　金：supported by the B-type Strategic Priority Program of the Chinese Academy of Sciences (Grant No. XDB41000000);the NSFC grants 41674163, 41974186, 41704162, 41904144, and 41904143;the pre-research projects on Civil Aerospace Technologies No. D020308, D020104 and D020303;funded by China National Space Administration。 摘　　要：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 thirdorder 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. 关键词：hiss Van Allen Probes global model

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An empirical model of the global distribution of plasmaspheric hiss based on Van Allen Probes EMFISIS measurements

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