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dc.contributor.authorZhu, Lie
dc.date.accessioned2018-08-08T01:46:47Z
dc.date.available2018-08-08T01:46:47Z
dc.date.issued1990
dc.identifier.urihttp://hdl.handle.net/11122/9360
dc.descriptionThesis (Ph.D.) University of Alaska Fairbanks, 1990
dc.description.abstractMagnetosphere-ionosphere (M-I) coupling processes are studied by using numerical modeling. An M-I coupling model of substorms on the ionospheric recombination time scale (tens of seconds) is developed. The model is two-dimensional (2-D) and time-dependent from which several signatures of substorms can be obtained and understood. The model is then extended to northward interplanetary magnetic field (IMF) conditions to study the effects of the M-I coupling on the high-latitude convection. Based on the model results, a mechanism for the origin of distorted two-cell ionospheric convection is proposed. The ionospheric and ground signatures of multiple field-aligned current sheets originating from dayside flux transfer events have been modeled. The interaction between Alfven waves and field aligned potential drops is studied by using a local model.
dc.subjectPhysics, Atmospheric Science
dc.subjectPlasma physics
dc.titleA study of the magnetosphere-ionosphere coupling processes
dc.typeThesis
dc.type.degreephd
dc.identifier.departmentPhysics Department
dc.contributor.chairKan, J. R.
refterms.dateFOA2020-03-05T17:25:15Z


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