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Large-Scale High-Speed Jets in Earth's Magnetosheath: Global Hybrid Simulations


Metadata FieldValueLanguage
dc.creatorGuo, Jin
dc.creatorLu, San
dc.creatorLu, Quanming
dc.creatorLin, Yu
dc.creatorWang, Xueyi
dc.creatorRen, Junyi
dc.creatorHao, Yufei
dc.creatorHuang, Kai
dc.creatorWang, Rongsheng
dc.creatorGao, Xinliang
dc.date.accessioned2022-11-08T21:07:31Z
dc.date.available2022-11-08T21:07:31Z
dc.date.created2022
dc.identifier10.1029/2022JA030477en_US
dc.identifier.urihttps://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2022JA030477en_US
dc.identifier.urihttps://aurora.auburn.edu/handle/11200/50455
dc.identifier.urihttp://dx.doi.org/10.35099/aurora-523
dc.description.abstractHigh-speed jets (HSJs) occur frequently in Earth's magnetosheath downstream of the quasiparallel bow shock. They have great impacts on the magnetosheath and the magnetosphere. Using two-dimensional global hybrid simulations, we investigate the formation and evolution of HSJs with different solar wind conditions. When the quasi-parallel shock is formed, HSJs begin to appear in the quasi-parallel magnetosheath. Some elongated HSJs formed at the quasi-parallel bow shock extend toward the quasi-perpendicular magnetosheath along with the background magnetosheath flow. As the elongated HSJs moves in the magnetosheath, filamentary structures of the velocity, ion density, and temperature occur in the magnetosheath. The filamentary structures are the traces of HSJs moving in the magnetosheath. Moreover, the Kelvin-Helmholtz instability can be excited at HSJs, which causes meandering of HSJs. When the interplanetary magnetic field is aligned to the solar wind velocity, the large-scale HSJs with a parallel (perpendicular) scale size of about 2.5 R-E (0.3 R-E) are formed at the magnetosheath where the theta(Bn) is approaching zero. Then, some HSJs converge, leading to the formation of even larger HSJs with a parallel (perpendicular) scale size of 5 R-E (0.6 R-E).en_US
dc.formatPDFen_US
dc.publisherAmerican Geophysical Unionen_US
dc.relation.ispartofJOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICSen_US
dc.relation.ispartofseries2169-9380en_US
dc.rights©American Geophysical Union 2022. This is this the version of record co-published by the American Geophysical Union and John Wiley & Sons, Inc. It is made available under the CC-BY-NC-ND 4.0 license. Item should be cited as: Guo, J., Lu, S., Lu, Q., Lin, Y., Wang, X., Ren, J., ... & Gao, X. (2022). Large‐Scale High‐Speed Jets in Earth's Magnetosheath: Global Hybrid Simulations. Journal of Geophysical Research: Space Physics, 127(6), e2022JA030477.en_US
dc.titleLarge-Scale High-Speed Jets in Earth's Magnetosheath: Global Hybrid Simulationsen_US
dc.typeTexten_US
dc.type.genreJournal Article, Academic Journalen_US
dc.citation.volume127en_US
dc.citation.issue6en_US
dc.description.statusPublisheden_US
dc.description.peerreviewYesen_US
dc.creator.orcid0000-0001-9578-6250en_US
dc.creator.orcid0000-0003-3041-2682en_US
dc.creator.orcid0000-0002-9950-1029en_US

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