Articles | Volume 39, issue 5
https://doi.org/10.5194/angeo-39-911-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/angeo-39-911-2021
© Author(s) 2021. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Foreshock cavitons and spontaneous hot flow anomalies: a statistical study with a global hybrid-Vlasov simulation
Department of Physics, University of Helsinki, Helsinki, Finland
Lucile Turc
Department of Physics, University of Helsinki, Helsinki, Finland
Markus Battarbee
Department of Physics, University of Helsinki, Helsinki, Finland
Jonas Suni
Department of Physics, University of Helsinki, Helsinki, Finland
Xóchitl Blanco-Cano
Instituto de Geofísica, Universidad Nacional Autónoma de México, Mexico City, Mexico
Urs Ganse
Department of Physics, University of Helsinki, Helsinki, Finland
Yann Pfau-Kempf
Department of Physics, University of Helsinki, Helsinki, Finland
Markku Alho
Department of Physics, University of Helsinki, Helsinki, Finland
Maxime Dubart
Department of Physics, University of Helsinki, Helsinki, Finland
Maxime Grandin
Department of Physics, University of Helsinki, Helsinki, Finland
Andreas Johlander
Department of Physics, University of Helsinki, Helsinki, Finland
Konstantinos Papadakis
Department of Physics, University of Helsinki, Helsinki, Finland
Minna Palmroth
Department of Physics, University of Helsinki, Helsinki, Finland
Finnish Meteorological Institute, Helsinki, Finland
Model code and software
Vlasiator: hybrid-Vlasov simulation code, version 5.0 M. Palmroth and the Vlasiator team, 2020 https://doi.org/10.5281/zenodo.3640594
Short summary
We use simulations of Earth's magnetosphere and study the formation of transient wave structures in the region where the solar wind first interacts with the magnetosphere. These transients move earthward and play a part in the solar wind–magnetosphere interaction. We show that the transients are a common feature and their properties are altered as they move earthward, including an increase in temperature, decrease in solar wind speed and an alteration in their propagation properties.
We use simulations of Earth's magnetosphere and study the formation of transient wave structures...