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Dependence of flux transfer events on solar wind conditions from 3 years of Cluster observations
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| Zeitschriftentitel: | Journal of Geophysical Research: Space Physics |
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| Personen und Körperschaften: | , , , , , , , , |
| In: | Journal of Geophysical Research: Space Physics, 111, 2006, A4 |
| Format: | E-Article |
| Sprache: | Englisch |
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American Geophysical Union (AGU)
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| Schlagwörter: |
| author_facet |
Wang, Y. L. Elphic, R. C. Lavraud, B. Taylor, M. G. G. T. Birn, J. Russell, C. T. Raeder, J. Kawano, H. Zhang, X. X. Wang, Y. L. Elphic, R. C. Lavraud, B. Taylor, M. G. G. T. Birn, J. Russell, C. T. Raeder, J. Kawano, H. Zhang, X. X. |
|---|---|
| author |
Wang, Y. L. Elphic, R. C. Lavraud, B. Taylor, M. G. G. T. Birn, J. Russell, C. T. Raeder, J. Kawano, H. Zhang, X. X. |
| spellingShingle |
Wang, Y. L. Elphic, R. C. Lavraud, B. Taylor, M. G. G. T. Birn, J. Russell, C. T. Raeder, J. Kawano, H. Zhang, X. X. Journal of Geophysical Research: Space Physics Dependence of flux transfer events on solar wind conditions from 3 years of Cluster observations 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 |
wang, y. l. |
| spelling |
Wang, Y. L. Elphic, R. C. Lavraud, B. Taylor, M. G. G. T. Birn, J. Russell, C. T. Raeder, J. Kawano, H. Zhang, X. X. 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/10.1029/2005ja011342 <jats:p>We investigate the dependence of Cluster high‐latitude magnetopause and low‐latitude flank flux transfer events (FTEs) on solar wind conditions using measurements from Cluster FGM and CIS and ACE MFI and SWEPAM between February 2001 and June 2003. We find that there are strong dependences of Cluster FTE occurrence on the IMF <jats:italic>B</jats:italic><jats:sub><jats:italic>xgsm</jats:italic></jats:sub>, <jats:italic>B</jats:italic><jats:sub><jats:italic>ygsm</jats:italic></jats:sub>, and <jats:italic>B</jats:italic><jats:sub><jats:italic>zgsm</jats:italic></jats:sub> components but not on the IMF magnitude. There are strong dependences of Cluster FTE occurrence on the IMF clock, tilt, spiral, and cone angles. However, some patterns are significantly different from previous results. The solar wind density, speed, Beta, <jats:italic>V</jats:italic><jats:sub><jats:italic>x</jats:italic></jats:sub><jats:italic>B</jats:italic><jats:sub><jats:italic>z</jats:italic></jats:sub>, dynamic pressure, and magnetosonic Mach number have different degrees of control on FTE occurrence. FTE separation time is found to be clearly controlled by IMF <jats:italic>B</jats:italic><jats:sub><jats:italic>ygsm</jats:italic></jats:sub>, <jats:italic>B</jats:italic><jats:sub><jats:italic>zgsm</jats:italic></jats:sub>, and magnitude, and the IMF clock, tilt, spiral, and cone angles, and weakly controlled by the solar wind <jats:italic>V</jats:italic><jats:sub><jats:italic>x</jats:italic></jats:sub><jats:italic>B</jats:italic><jats:sub><jats:italic>z</jats:italic></jats:sub> and magnetosonic Mach number. There is no obvious control of it by other IMF and solar wind parameters. FTE peak‐peak magnitude is found to be controlled by IMF <jats:italic>B</jats:italic><jats:sub><jats:italic>ygsm</jats:italic></jats:sub>, <jats:italic>B</jats:italic><jats:sub><jats:italic>zgsm</jats:italic></jats:sub>, and magnitude and by the solar wind density and dynamic pressure but not by other IMF and solar wind parameters. The FTE dawn‐dusk asymmetry is not likely caused by the Parker spiral IMF. Some FTE statistical patterns are strongly dependent on FTE locations. Finally, we see ∼4% of the FTEs corresponding to a single change in IMF <jats:italic>B</jats:italic><jats:sub><jats:italic>zgsm</jats:italic></jats:sub> from positive to negative, ∼4% corresponding to a single change from negative to positive, and ∼43% corresponding to multiple changes in the sign of IMF <jats:italic>B</jats:italic><jats:sub><jats:italic>zgsm</jats:italic></jats:sub>, all within the 10‐min interval preceding the FTEs. There is still no evidence for a direct correlation between IMF <jats:italic>B</jats:italic><jats:sub><jats:italic>zgsm</jats:italic></jats:sub> changing sign and FTEs.</jats:p> Dependence of flux transfer events on solar wind conditions from 3 years of Cluster observations Journal of Geophysical Research: Space Physics |
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10.1029/2005ja011342 |
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Chemie und Pharmazie Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft Biologie Allgemeine Naturwissenschaft Physik Technik Geologie und Paläontologie Geographie |
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American Geophysical Union (AGU), 2006 |
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American Geophysical Union (AGU), 2006 |
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2006 |
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American Geophysical Union (AGU) |
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Journal of Geophysical Research: Space Physics |
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49 |
| title |
Dependence of flux transfer events on solar wind conditions from 3 years of Cluster observations |
| title_unstemmed |
Dependence of flux transfer events on solar wind conditions from 3 years of Cluster observations |
| title_full |
Dependence of flux transfer events on solar wind conditions from 3 years of Cluster observations |
| title_fullStr |
Dependence of flux transfer events on solar wind conditions from 3 years of Cluster observations |
| title_full_unstemmed |
Dependence of flux transfer events on solar wind conditions from 3 years of Cluster observations |
| title_short |
Dependence of flux transfer events on solar wind conditions from 3 years of Cluster observations |
| title_sort |
dependence of flux transfer events on solar wind conditions from 3 years of cluster observations |
| 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/10.1029/2005ja011342 |
| publishDate |
2006 |
| physical |
|
| description |
<jats:p>We investigate the dependence of Cluster high‐latitude magnetopause and low‐latitude flank flux transfer events (FTEs) on solar wind conditions using measurements from Cluster FGM and CIS and ACE MFI and SWEPAM between February 2001 and June 2003. We find that there are strong dependences of Cluster FTE occurrence on the IMF <jats:italic>B</jats:italic><jats:sub><jats:italic>xgsm</jats:italic></jats:sub>, <jats:italic>B</jats:italic><jats:sub><jats:italic>ygsm</jats:italic></jats:sub>, and <jats:italic>B</jats:italic><jats:sub><jats:italic>zgsm</jats:italic></jats:sub> components but not on the IMF magnitude. There are strong dependences of Cluster FTE occurrence on the IMF clock, tilt, spiral, and cone angles. However, some patterns are significantly different from previous results. The solar wind density, speed, Beta, <jats:italic>V</jats:italic><jats:sub><jats:italic>x</jats:italic></jats:sub><jats:italic>B</jats:italic><jats:sub><jats:italic>z</jats:italic></jats:sub>, dynamic pressure, and magnetosonic Mach number have different degrees of control on FTE occurrence. FTE separation time is found to be clearly controlled by IMF <jats:italic>B</jats:italic><jats:sub><jats:italic>ygsm</jats:italic></jats:sub>, <jats:italic>B</jats:italic><jats:sub><jats:italic>zgsm</jats:italic></jats:sub>, and magnitude, and the IMF clock, tilt, spiral, and cone angles, and weakly controlled by the solar wind <jats:italic>V</jats:italic><jats:sub><jats:italic>x</jats:italic></jats:sub><jats:italic>B</jats:italic><jats:sub><jats:italic>z</jats:italic></jats:sub> and magnetosonic Mach number. There is no obvious control of it by other IMF and solar wind parameters. FTE peak‐peak magnitude is found to be controlled by IMF <jats:italic>B</jats:italic><jats:sub><jats:italic>ygsm</jats:italic></jats:sub>, <jats:italic>B</jats:italic><jats:sub><jats:italic>zgsm</jats:italic></jats:sub>, and magnitude and by the solar wind density and dynamic pressure but not by other IMF and solar wind parameters. The FTE dawn‐dusk asymmetry is not likely caused by the Parker spiral IMF. Some FTE statistical patterns are strongly dependent on FTE locations. Finally, we see ∼4% of the FTEs corresponding to a single change in IMF <jats:italic>B</jats:italic><jats:sub><jats:italic>zgsm</jats:italic></jats:sub> from positive to negative, ∼4% corresponding to a single change from negative to positive, and ∼43% corresponding to multiple changes in the sign of IMF <jats:italic>B</jats:italic><jats:sub><jats:italic>zgsm</jats:italic></jats:sub>, all within the 10‐min interval preceding the FTEs. There is still no evidence for a direct correlation between IMF <jats:italic>B</jats:italic><jats:sub><jats:italic>zgsm</jats:italic></jats:sub> changing sign and FTEs.</jats:p> |
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| author | Wang, Y. L., Elphic, R. C., Lavraud, B., Taylor, M. G. G. T., Birn, J., Russell, C. T., Raeder, J., Kawano, H., Zhang, X. X. |
| author_facet | Wang, Y. L., Elphic, R. C., Lavraud, B., Taylor, M. G. G. T., Birn, J., Russell, C. T., Raeder, J., Kawano, H., Zhang, X. X., Wang, Y. L., Elphic, R. C., Lavraud, B., Taylor, M. G. G. T., Birn, J., Russell, C. T., Raeder, J., Kawano, H., Zhang, X. X. |
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| description | <jats:p>We investigate the dependence of Cluster high‐latitude magnetopause and low‐latitude flank flux transfer events (FTEs) on solar wind conditions using measurements from Cluster FGM and CIS and ACE MFI and SWEPAM between February 2001 and June 2003. We find that there are strong dependences of Cluster FTE occurrence on the IMF <jats:italic>B</jats:italic><jats:sub><jats:italic>xgsm</jats:italic></jats:sub>, <jats:italic>B</jats:italic><jats:sub><jats:italic>ygsm</jats:italic></jats:sub>, and <jats:italic>B</jats:italic><jats:sub><jats:italic>zgsm</jats:italic></jats:sub> components but not on the IMF magnitude. There are strong dependences of Cluster FTE occurrence on the IMF clock, tilt, spiral, and cone angles. However, some patterns are significantly different from previous results. The solar wind density, speed, Beta, <jats:italic>V</jats:italic><jats:sub><jats:italic>x</jats:italic></jats:sub><jats:italic>B</jats:italic><jats:sub><jats:italic>z</jats:italic></jats:sub>, dynamic pressure, and magnetosonic Mach number have different degrees of control on FTE occurrence. FTE separation time is found to be clearly controlled by IMF <jats:italic>B</jats:italic><jats:sub><jats:italic>ygsm</jats:italic></jats:sub>, <jats:italic>B</jats:italic><jats:sub><jats:italic>zgsm</jats:italic></jats:sub>, and magnitude, and the IMF clock, tilt, spiral, and cone angles, and weakly controlled by the solar wind <jats:italic>V</jats:italic><jats:sub><jats:italic>x</jats:italic></jats:sub><jats:italic>B</jats:italic><jats:sub><jats:italic>z</jats:italic></jats:sub> and magnetosonic Mach number. There is no obvious control of it by other IMF and solar wind parameters. FTE peak‐peak magnitude is found to be controlled by IMF <jats:italic>B</jats:italic><jats:sub><jats:italic>ygsm</jats:italic></jats:sub>, <jats:italic>B</jats:italic><jats:sub><jats:italic>zgsm</jats:italic></jats:sub>, and magnitude and by the solar wind density and dynamic pressure but not by other IMF and solar wind parameters. The FTE dawn‐dusk asymmetry is not likely caused by the Parker spiral IMF. Some FTE statistical patterns are strongly dependent on FTE locations. Finally, we see ∼4% of the FTEs corresponding to a single change in IMF <jats:italic>B</jats:italic><jats:sub><jats:italic>zgsm</jats:italic></jats:sub> from positive to negative, ∼4% corresponding to a single change from negative to positive, and ∼43% corresponding to multiple changes in the sign of IMF <jats:italic>B</jats:italic><jats:sub><jats:italic>zgsm</jats:italic></jats:sub>, all within the 10‐min interval preceding the FTEs. There is still no evidence for a direct correlation between IMF <jats:italic>B</jats:italic><jats:sub><jats:italic>zgsm</jats:italic></jats:sub> changing sign and FTEs.</jats:p> |
| doi_str_mv | 10.1029/2005ja011342 |
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| imprint | American Geophysical Union (AGU), 2006 |
| imprint_str_mv | American Geophysical Union (AGU), 2006 |
| institution | DE-Bn3, DE-Brt1, DE-Zwi2, DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229, DE-D275 |
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| mega_collection | American Geophysical Union (AGU) (CrossRef) |
| physical | |
| publishDate | 2006 |
| publishDateSort | 2006 |
| publisher | American Geophysical Union (AGU) |
| record_format | ai |
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| series | Journal of Geophysical Research: Space Physics |
| source_id | 49 |
| spelling | Wang, Y. L. Elphic, R. C. Lavraud, B. Taylor, M. G. G. T. Birn, J. Russell, C. T. Raeder, J. Kawano, H. Zhang, X. X. 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/10.1029/2005ja011342 <jats:p>We investigate the dependence of Cluster high‐latitude magnetopause and low‐latitude flank flux transfer events (FTEs) on solar wind conditions using measurements from Cluster FGM and CIS and ACE MFI and SWEPAM between February 2001 and June 2003. We find that there are strong dependences of Cluster FTE occurrence on the IMF <jats:italic>B</jats:italic><jats:sub><jats:italic>xgsm</jats:italic></jats:sub>, <jats:italic>B</jats:italic><jats:sub><jats:italic>ygsm</jats:italic></jats:sub>, and <jats:italic>B</jats:italic><jats:sub><jats:italic>zgsm</jats:italic></jats:sub> components but not on the IMF magnitude. There are strong dependences of Cluster FTE occurrence on the IMF clock, tilt, spiral, and cone angles. However, some patterns are significantly different from previous results. The solar wind density, speed, Beta, <jats:italic>V</jats:italic><jats:sub><jats:italic>x</jats:italic></jats:sub><jats:italic>B</jats:italic><jats:sub><jats:italic>z</jats:italic></jats:sub>, dynamic pressure, and magnetosonic Mach number have different degrees of control on FTE occurrence. FTE separation time is found to be clearly controlled by IMF <jats:italic>B</jats:italic><jats:sub><jats:italic>ygsm</jats:italic></jats:sub>, <jats:italic>B</jats:italic><jats:sub><jats:italic>zgsm</jats:italic></jats:sub>, and magnitude, and the IMF clock, tilt, spiral, and cone angles, and weakly controlled by the solar wind <jats:italic>V</jats:italic><jats:sub><jats:italic>x</jats:italic></jats:sub><jats:italic>B</jats:italic><jats:sub><jats:italic>z</jats:italic></jats:sub> and magnetosonic Mach number. There is no obvious control of it by other IMF and solar wind parameters. FTE peak‐peak magnitude is found to be controlled by IMF <jats:italic>B</jats:italic><jats:sub><jats:italic>ygsm</jats:italic></jats:sub>, <jats:italic>B</jats:italic><jats:sub><jats:italic>zgsm</jats:italic></jats:sub>, and magnitude and by the solar wind density and dynamic pressure but not by other IMF and solar wind parameters. The FTE dawn‐dusk asymmetry is not likely caused by the Parker spiral IMF. Some FTE statistical patterns are strongly dependent on FTE locations. Finally, we see ∼4% of the FTEs corresponding to a single change in IMF <jats:italic>B</jats:italic><jats:sub><jats:italic>zgsm</jats:italic></jats:sub> from positive to negative, ∼4% corresponding to a single change from negative to positive, and ∼43% corresponding to multiple changes in the sign of IMF <jats:italic>B</jats:italic><jats:sub><jats:italic>zgsm</jats:italic></jats:sub>, all within the 10‐min interval preceding the FTEs. There is still no evidence for a direct correlation between IMF <jats:italic>B</jats:italic><jats:sub><jats:italic>zgsm</jats:italic></jats:sub> changing sign and FTEs.</jats:p> Dependence of flux transfer events on solar wind conditions from 3 years of Cluster observations Journal of Geophysical Research: Space Physics |
| spellingShingle | Wang, Y. L., Elphic, R. C., Lavraud, B., Taylor, M. G. G. T., Birn, J., Russell, C. T., Raeder, J., Kawano, H., Zhang, X. X., Journal of Geophysical Research: Space Physics, Dependence of flux transfer events on solar wind conditions from 3 years of Cluster observations, 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 | Dependence of flux transfer events on solar wind conditions from 3 years of Cluster observations |
| title_full | Dependence of flux transfer events on solar wind conditions from 3 years of Cluster observations |
| title_fullStr | Dependence of flux transfer events on solar wind conditions from 3 years of Cluster observations |
| title_full_unstemmed | Dependence of flux transfer events on solar wind conditions from 3 years of Cluster observations |
| title_short | Dependence of flux transfer events on solar wind conditions from 3 years of Cluster observations |
| title_sort | dependence of flux transfer events on solar wind conditions from 3 years of cluster observations |
| title_unstemmed | Dependence of flux transfer events on solar wind conditions from 3 years of Cluster observations |
| 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/10.1029/2005ja011342 |