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Annales Geophysicae An interactive open-access journal of the European Geosciences Union
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ANGEO | Articles | Volume 38, issue 3
Ann. Geophys., 38, 625–643, 2020
https://doi.org/10.5194/angeo-38-625-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Ann. Geophys., 38, 625–643, 2020
https://doi.org/10.5194/angeo-38-625-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.

Regular paper 26 May 2020

Regular paper | 26 May 2020

Non-locality of Earth's quasi-parallel bow shock: injection of thermal protons in a hybrid-Vlasov simulation

Markus Battarbee et al.

Model code and software

Vlasiator, Web site M. Palmroth http://www.physics.helsinki.fi/vlasiator/

Vlasiator: hybrid-Vlasov simulation code M. Palmroth and the Vlasiator team https://doi.org/10.5281/zenodo.3640593

VLSV: file format and tools A. Sandroos https://github.com/fmihpc/vlsv/

Analysator: python analysis toolkit O. Hannuksela and the Vlasiator team https://github.com/fmihpc/analysator/

Video supplement

Supplementary Video A M. Battarbee, U. Ganse, Y. Pfau-Kempf, L. Turc, T. Brito, M. Grandin, T. Koskela, and M. Palmroth https://doi.org/10.5446/42960

Supplementary Video B M. Battarbee, U. Ganse, Y. Pfau-Kempf, L. Turc, T. Brito, M. Grandin, T. Koskela, and M. Palmroth https://doi.org/10.5446/42961

Supplementary Video C M. Battarbee, U. Ganse, Y. Pfau-Kempf, L. Turc, T. Brito, M. Grandin, T. Koskela, and M. Palmroth https://doi.org/10.5446/42962

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Short summary
The structure and medium-scale dynamics of Earth's bow shock and how charged solar wind particles are reflected by it are studied in order to better understand space weather effects. We use advanced supercomputer simulations to model the shock and reflected ions. We find that the thickness of the shock depends on solar wind conditions but also has small-scale variations. Charged particle reflection is shown to be non-localized. Magnetic fields are important for ion reflection.
The structure and medium-scale dynamics of Earth's bow shock and how charged solar wind...
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