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Conference Paper

Mass coupling across the global magnetosphere

Authors

Ilie,  Raluca
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Liu,  Jianghuai
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Chen,  Hsinju
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

Oliveira Carvalho Da Silva,  Pedro
IUGG 2023, General Assemblies, 1 General, International Union of Geodesy and Geophysics (IUGG), External Organizations;

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Citation

Ilie, R., Liu, J., Chen, H., Oliveira Carvalho Da Silva, P. (2023): Mass coupling across the global magnetosphere, XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG) (Berlin 2023).
https://doi.org/10.57757/IUGG23-4471


Cite as: https://gfzpublic.gfz-potsdam.de/pubman/item/item_5021900
Abstract
A long-standing question in studying the plasma dynamics in the magnetosphere pertains to the mass coupling between the ionosphere and the global magnetosphere. This presentation explores the connection between different plasmas lying within and outside the magnetosphere, and involves an integrated computational view of geospace, that solves and tracks the evolution of all relevant heavy ion species, to systematically assess their regional and global influence on the various loss and acceleration mechanisms operating throughout the terrestrial magnetosphere.In this presentation, we discuss the circulation and relative transport and energization of heavy ions, as they are transported from the high latitude ionosphere throughout the global magnetosphere, and their impact on the inner magnetospheric plasma dynamics. In addition, we present evidence that energetic heavy ions populating the inner magnetosphere are contributing significantly to early time plasmasphere refilling, as the plasma sheet heavy ion composition is the primary controlling factor in the formation of the cold protons via charge exchange with the geocorona, while the neutral density plays a much smaller role.