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The role of ionospheric O+ outflow in the generation of earthward propagating plasmoids
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| Zeitschriftentitel: | Journal of Geophysical Research: Space Physics |
|---|---|
| Personen und Körperschaften: | , , , , |
| In: | Journal of Geophysical Research: Space Physics, 121, 2016, 2, S. 1425-1435 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
American Geophysical Union (AGU)
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| Schlagwörter: |
| author_facet |
Zhang, B. Brambles, O. J. Lotko, W. Ouellette, J. E. Lyon, J. G. Zhang, B. Brambles, O. J. Lotko, W. Ouellette, J. E. Lyon, J. G. |
|---|---|
| author |
Zhang, B. Brambles, O. J. Lotko, W. Ouellette, J. E. Lyon, J. G. |
| spellingShingle |
Zhang, B. Brambles, O. J. Lotko, W. Ouellette, J. E. Lyon, J. G. Journal of Geophysical Research: Space Physics The role of ionospheric O+ outflow in the generation of earthward propagating plasmoids Space and Planetary Science Geophysics |
| author_sort |
zhang, b. |
| spelling |
Zhang, B. Brambles, O. J. Lotko, W. Ouellette, J. E. Lyon, J. G. 2169-9380 2169-9402 American Geophysical Union (AGU) Space and Planetary Science Geophysics http://dx.doi.org/10.1002/2015ja021667 <jats:title>Abstract</jats:title><jats:p>Earthward propagating plasmoids in the Earth's magnetotail have been observed by satellites. Using a multifluid global magnetosphere simulation, earthward propagating plasmoids are reproduced when ionospheric O<jats:sup>+</jats:sup> outflow is included in the global simulation. Controlled simulations show that without ionospheric outflow, the plasmoids generated in the magnetotail during a substorm‐steady magnetospheric convection cycle only propagate tailward. With ionospheric outflow, earthward plasmoids can be induced through the modification of magnetotail reconnection at multiple X lines. When multiple X lines form in the magnetotail, plasmoids may be trapped between multiple reconnection sites. When magnetic reconnection rate is reduced at the near‐Earth X line by the presence of ionospheric O<jats:sup>+</jats:sup>, the earthward exhaust flow of reconnection occurring at the midtail X line forces the plasmoid to propagate earthward. The propagation speed and spatial size of the simulated earthward plasmoid are consistent with observations from the Cluster satellites.</jats:p> The role of ionospheric O<sup>+</sup> outflow in the generation of earthward propagating plasmoids Journal of Geophysical Research: Space Physics |
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The role of ionospheric O+ outflow in the generation of earthward propagating plasmoids |
| title_unstemmed |
The role of ionospheric O+ outflow in the generation of earthward propagating plasmoids |
| title_full |
The role of ionospheric O+ outflow in the generation of earthward propagating plasmoids |
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The role of ionospheric O+ outflow in the generation of earthward propagating plasmoids |
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The role of ionospheric O+ outflow in the generation of earthward propagating plasmoids |
| title_short |
The role of ionospheric O+ outflow in the generation of earthward propagating plasmoids |
| title_sort |
the role of ionospheric o<sup>+</sup> outflow in the generation of earthward propagating plasmoids |
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Space and Planetary Science Geophysics |
| url |
http://dx.doi.org/10.1002/2015ja021667 |
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2016 |
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1425-1435 |
| description |
<jats:title>Abstract</jats:title><jats:p>Earthward propagating plasmoids in the Earth's magnetotail have been observed by satellites. Using a multifluid global magnetosphere simulation, earthward propagating plasmoids are reproduced when ionospheric O<jats:sup>+</jats:sup> outflow is included in the global simulation. Controlled simulations show that without ionospheric outflow, the plasmoids generated in the magnetotail during a substorm‐steady magnetospheric convection cycle only propagate tailward. With ionospheric outflow, earthward plasmoids can be induced through the modification of magnetotail reconnection at multiple X lines. When multiple X lines form in the magnetotail, plasmoids may be trapped between multiple reconnection sites. When magnetic reconnection rate is reduced at the near‐Earth X line by the presence of ionospheric O<jats:sup>+</jats:sup>, the earthward exhaust flow of reconnection occurring at the midtail X line forces the plasmoid to propagate earthward. The propagation speed and spatial size of the simulated earthward plasmoid are consistent with observations from the Cluster satellites.</jats:p> |
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| author | Zhang, B., Brambles, O. J., Lotko, W., Ouellette, J. E., Lyon, J. G. |
| author_facet | Zhang, B., Brambles, O. J., Lotko, W., Ouellette, J. E., Lyon, J. G., Zhang, B., Brambles, O. J., Lotko, W., Ouellette, J. E., Lyon, J. G. |
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| description | <jats:title>Abstract</jats:title><jats:p>Earthward propagating plasmoids in the Earth's magnetotail have been observed by satellites. Using a multifluid global magnetosphere simulation, earthward propagating plasmoids are reproduced when ionospheric O<jats:sup>+</jats:sup> outflow is included in the global simulation. Controlled simulations show that without ionospheric outflow, the plasmoids generated in the magnetotail during a substorm‐steady magnetospheric convection cycle only propagate tailward. With ionospheric outflow, earthward plasmoids can be induced through the modification of magnetotail reconnection at multiple X lines. When multiple X lines form in the magnetotail, plasmoids may be trapped between multiple reconnection sites. When magnetic reconnection rate is reduced at the near‐Earth X line by the presence of ionospheric O<jats:sup>+</jats:sup>, the earthward exhaust flow of reconnection occurring at the midtail X line forces the plasmoid to propagate earthward. The propagation speed and spatial size of the simulated earthward plasmoid are consistent with observations from the Cluster satellites.</jats:p> |
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| imprint | American Geophysical Union (AGU), 2016 |
| imprint_str_mv | American Geophysical Union (AGU), 2016 |
| institution | DE-D275, DE-Bn3, DE-Brt1, DE-Zwi2, DE-D161, DE-Zi4, DE-Gla1, DE-15, DE-Pl11, DE-Rs1, DE-14, DE-105, DE-Ch1, DE-L229 |
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| physical | 1425-1435 |
| publishDate | 2016 |
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| series | Journal of Geophysical Research: Space Physics |
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| spelling | Zhang, B. Brambles, O. J. Lotko, W. Ouellette, J. E. Lyon, J. G. 2169-9380 2169-9402 American Geophysical Union (AGU) Space and Planetary Science Geophysics http://dx.doi.org/10.1002/2015ja021667 <jats:title>Abstract</jats:title><jats:p>Earthward propagating plasmoids in the Earth's magnetotail have been observed by satellites. Using a multifluid global magnetosphere simulation, earthward propagating plasmoids are reproduced when ionospheric O<jats:sup>+</jats:sup> outflow is included in the global simulation. Controlled simulations show that without ionospheric outflow, the plasmoids generated in the magnetotail during a substorm‐steady magnetospheric convection cycle only propagate tailward. With ionospheric outflow, earthward plasmoids can be induced through the modification of magnetotail reconnection at multiple X lines. When multiple X lines form in the magnetotail, plasmoids may be trapped between multiple reconnection sites. When magnetic reconnection rate is reduced at the near‐Earth X line by the presence of ionospheric O<jats:sup>+</jats:sup>, the earthward exhaust flow of reconnection occurring at the midtail X line forces the plasmoid to propagate earthward. The propagation speed and spatial size of the simulated earthward plasmoid are consistent with observations from the Cluster satellites.</jats:p> The role of ionospheric O<sup>+</sup> outflow in the generation of earthward propagating plasmoids Journal of Geophysical Research: Space Physics |
| spellingShingle | Zhang, B., Brambles, O. J., Lotko, W., Ouellette, J. E., Lyon, J. G., Journal of Geophysical Research: Space Physics, The role of ionospheric O+ outflow in the generation of earthward propagating plasmoids, Space and Planetary Science, Geophysics |
| title | The role of ionospheric O+ outflow in the generation of earthward propagating plasmoids |
| title_full | The role of ionospheric O+ outflow in the generation of earthward propagating plasmoids |
| title_fullStr | The role of ionospheric O+ outflow in the generation of earthward propagating plasmoids |
| title_full_unstemmed | The role of ionospheric O+ outflow in the generation of earthward propagating plasmoids |
| title_short | The role of ionospheric O+ outflow in the generation of earthward propagating plasmoids |
| title_sort | the role of ionospheric o<sup>+</sup> outflow in the generation of earthward propagating plasmoids |
| title_unstemmed | The role of ionospheric O+ outflow in the generation of earthward propagating plasmoids |
| topic | Space and Planetary Science, Geophysics |
| url | http://dx.doi.org/10.1002/2015ja021667 |