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Profile of strong magnetic field By component in magnetotail current sheets
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| Zeitschriftentitel: | Journal of Geophysical Research: Space Physics |
|---|---|
| Personen und Körperschaften: | , , , , , , , , , , |
| In: | Journal of Geophysical Research: Space Physics, 117, 2012, A6 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
American Geophysical Union (AGU)
|
| Schlagwörter: |
| author_facet |
Rong, Z. J. Wan, W. X. Shen, C. Li, X. Dunlop, M. W. Petrukovich, A. A. Hau, L.‐N. Zhang, T. L. Rème, H. Du, A. M. Lucek, E. Rong, Z. J. Wan, W. X. Shen, C. Li, X. Dunlop, M. W. Petrukovich, A. A. Hau, L.‐N. Zhang, T. L. Rème, H. Du, A. M. Lucek, E. |
|---|---|
| author |
Rong, Z. J. Wan, W. X. Shen, C. Li, X. Dunlop, M. W. Petrukovich, A. A. Hau, L.‐N. Zhang, T. L. Rème, H. Du, A. M. Lucek, E. |
| spellingShingle |
Rong, Z. J. Wan, W. X. Shen, C. Li, X. Dunlop, M. W. Petrukovich, A. A. Hau, L.‐N. Zhang, T. L. Rème, H. Du, A. M. Lucek, E. Journal of Geophysical Research: Space Physics Profile of strong magnetic field By component in magnetotail current sheets Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics |
| author_sort |
rong, z. j. |
| spelling |
Rong, Z. J. Wan, W. X. Shen, C. Li, X. Dunlop, M. W. Petrukovich, A. A. Hau, L.‐N. Zhang, T. L. Rème, H. Du, A. M. Lucek, E. 0148-0227 American Geophysical Union (AGU) Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics http://dx.doi.org/10.1029/2011ja017402 <jats:p>The strong magnetic field <jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub> component (in GSM coordinates) has been increasingly noticed to play an important role in the dynamics of tail current sheet (CS). The distribution profile of strong <jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub> components in the tail CS (i.e., those with guide field), however, is not well known. In the present work, by using the simultaneous multipoint observations of Cluster satellites, the profile of a strong <jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub> component in tail current sheets is explored, through detailed case studies, as well as in a statistical study. It is discovered that around the midnight meridian, the strength of the strong <jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub> component, i.e., |<jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub>|, is basically enhanced at the center of the CS relative to that in the CS boundaries and lobes and forms a north‐south symmetric distribution about the center of CS. Generally, however, for strong guide field cases in the non‐midnight meridian, the profile of <jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub> strength basically becomes north‐south asymmetric, the strength of the <jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub> component in the northern side of the CS is found to be either stronger or weaker than that in the counterpart southern side. By considering the modulation of the tail flaring magnetic field with magnetic local time, we propose an interpretation to account for the variation of the <jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub>‐profile, which is supported by the statistical survey. These results offer an observation basis for further studies.</jats:p> Profile of strong magnetic field <i>B</i><sub><i>y</i></sub> component in magnetotail current sheets Journal of Geophysical Research: Space Physics |
| doi_str_mv |
10.1029/2011ja017402 |
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Online Free |
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Allgemeine Naturwissenschaft Physik Technik Geologie und Paläontologie Geographie Chemie und Pharmazie Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft Biologie |
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American Geophysical Union (AGU), 2012 |
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American Geophysical Union (AGU), 2012 |
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| title |
Profile of strong magnetic field By component in magnetotail current sheets |
| title_unstemmed |
Profile of strong magnetic field By component in magnetotail current sheets |
| title_full |
Profile of strong magnetic field By component in magnetotail current sheets |
| title_fullStr |
Profile of strong magnetic field By component in magnetotail current sheets |
| title_full_unstemmed |
Profile of strong magnetic field By component in magnetotail current sheets |
| title_short |
Profile of strong magnetic field By component in magnetotail current sheets |
| title_sort |
profile of strong magnetic field <i>b</i><sub><i>y</i></sub> component in magnetotail current sheets |
| topic |
Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics |
| url |
http://dx.doi.org/10.1029/2011ja017402 |
| publishDate |
2012 |
| physical |
|
| description |
<jats:p>The strong magnetic field <jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub> component (in GSM coordinates) has been increasingly noticed to play an important role in the dynamics of tail current sheet (CS). The distribution profile of strong <jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub> components in the tail CS (i.e., those with guide field), however, is not well known. In the present work, by using the simultaneous multipoint observations of Cluster satellites, the profile of a strong <jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub> component in tail current sheets is explored, through detailed case studies, as well as in a statistical study. It is discovered that around the midnight meridian, the strength of the strong <jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub> component, i.e., |<jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub>|, is basically enhanced at the center of the CS relative to that in the CS boundaries and lobes and forms a north‐south symmetric distribution about the center of CS. Generally, however, for strong guide field cases in the non‐midnight meridian, the profile of <jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub> strength basically becomes north‐south asymmetric, the strength of the <jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub> component in the northern side of the CS is found to be either stronger or weaker than that in the counterpart southern side. By considering the modulation of the tail flaring magnetic field with magnetic local time, we propose an interpretation to account for the variation of the <jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub>‐profile, which is supported by the statistical survey. These results offer an observation basis for further studies.</jats:p> |
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| author | Rong, Z. J., Wan, W. X., Shen, C., Li, X., Dunlop, M. W., Petrukovich, A. A., Hau, L.‐N., Zhang, T. L., Rème, H., Du, A. M., Lucek, E. |
| author_facet | Rong, Z. J., Wan, W. X., Shen, C., Li, X., Dunlop, M. W., Petrukovich, A. A., Hau, L.‐N., Zhang, T. L., Rème, H., Du, A. M., Lucek, E., Rong, Z. J., Wan, W. X., Shen, C., Li, X., Dunlop, M. W., Petrukovich, A. A., Hau, L.‐N., Zhang, T. L., Rème, H., Du, A. M., Lucek, E. |
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| description | <jats:p>The strong magnetic field <jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub> component (in GSM coordinates) has been increasingly noticed to play an important role in the dynamics of tail current sheet (CS). The distribution profile of strong <jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub> components in the tail CS (i.e., those with guide field), however, is not well known. In the present work, by using the simultaneous multipoint observations of Cluster satellites, the profile of a strong <jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub> component in tail current sheets is explored, through detailed case studies, as well as in a statistical study. It is discovered that around the midnight meridian, the strength of the strong <jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub> component, i.e., |<jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub>|, is basically enhanced at the center of the CS relative to that in the CS boundaries and lobes and forms a north‐south symmetric distribution about the center of CS. Generally, however, for strong guide field cases in the non‐midnight meridian, the profile of <jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub> strength basically becomes north‐south asymmetric, the strength of the <jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub> component in the northern side of the CS is found to be either stronger or weaker than that in the counterpart southern side. By considering the modulation of the tail flaring magnetic field with magnetic local time, we propose an interpretation to account for the variation of the <jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub>‐profile, which is supported by the statistical survey. These results offer an observation basis for further studies.</jats:p> |
| doi_str_mv | 10.1029/2011ja017402 |
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| imprint_str_mv | American Geophysical Union (AGU), 2012 |
| institution | DE-L229, DE-D275, DE-Bn3, DE-Brt1, DE-Zwi2, DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1 |
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| publisher | American Geophysical Union (AGU) |
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| series | Journal of Geophysical Research: Space Physics |
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| spelling | Rong, Z. J. Wan, W. X. Shen, C. Li, X. Dunlop, M. W. Petrukovich, A. A. Hau, L.‐N. Zhang, T. L. Rème, H. Du, A. M. Lucek, E. 0148-0227 American Geophysical Union (AGU) Paleontology Space and Planetary Science Earth and Planetary Sciences (miscellaneous) Atmospheric Science Earth-Surface Processes Geochemistry and Petrology Soil Science Water Science and Technology Ecology Aquatic Science Forestry Oceanography Geophysics http://dx.doi.org/10.1029/2011ja017402 <jats:p>The strong magnetic field <jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub> component (in GSM coordinates) has been increasingly noticed to play an important role in the dynamics of tail current sheet (CS). The distribution profile of strong <jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub> components in the tail CS (i.e., those with guide field), however, is not well known. In the present work, by using the simultaneous multipoint observations of Cluster satellites, the profile of a strong <jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub> component in tail current sheets is explored, through detailed case studies, as well as in a statistical study. It is discovered that around the midnight meridian, the strength of the strong <jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub> component, i.e., |<jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub>|, is basically enhanced at the center of the CS relative to that in the CS boundaries and lobes and forms a north‐south symmetric distribution about the center of CS. Generally, however, for strong guide field cases in the non‐midnight meridian, the profile of <jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub> strength basically becomes north‐south asymmetric, the strength of the <jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub> component in the northern side of the CS is found to be either stronger or weaker than that in the counterpart southern side. By considering the modulation of the tail flaring magnetic field with magnetic local time, we propose an interpretation to account for the variation of the <jats:italic>B</jats:italic><jats:sub><jats:italic>y</jats:italic></jats:sub>‐profile, which is supported by the statistical survey. These results offer an observation basis for further studies.</jats:p> Profile of strong magnetic field <i>B</i><sub><i>y</i></sub> component in magnetotail current sheets Journal of Geophysical Research: Space Physics |
| spellingShingle | Rong, Z. J., Wan, W. X., Shen, C., Li, X., Dunlop, M. W., Petrukovich, A. A., Hau, L.‐N., Zhang, T. L., Rème, H., Du, A. M., Lucek, E., Journal of Geophysical Research: Space Physics, Profile of strong magnetic field By component in magnetotail current sheets, Paleontology, Space and Planetary Science, Earth and Planetary Sciences (miscellaneous), Atmospheric Science, Earth-Surface Processes, Geochemistry and Petrology, Soil Science, Water Science and Technology, Ecology, Aquatic Science, Forestry, Oceanography, Geophysics |
| title | Profile of strong magnetic field By component in magnetotail current sheets |
| title_full | Profile of strong magnetic field By component in magnetotail current sheets |
| title_fullStr | Profile of strong magnetic field By component in magnetotail current sheets |
| title_full_unstemmed | Profile of strong magnetic field By component in magnetotail current sheets |
| title_short | Profile of strong magnetic field By component in magnetotail current sheets |
| title_sort | profile of strong magnetic field <i>b</i><sub><i>y</i></sub> component in magnetotail current sheets |
| title_unstemmed | Profile of strong magnetic field By component in magnetotail current sheets |
| topic | Paleontology, Space and Planetary Science, Earth and Planetary Sciences (miscellaneous), Atmospheric Science, Earth-Surface Processes, Geochemistry and Petrology, Soil Science, Water Science and Technology, Ecology, Aquatic Science, Forestry, Oceanography, Geophysics |
| url | http://dx.doi.org/10.1029/2011ja017402 |