Eintrag weiter verarbeiten
Substorm expansion triggered by a sudden impulse front propagating from the dayside magnetopause
Gespeichert in:
| Zeitschriftentitel: | Journal of Geophysical Research: Space Physics |
|---|---|
| Personen und Körperschaften: | , , , , , , , , , , , , , , |
| In: | Journal of Geophysical Research: Space Physics, 114, 2009, A1 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
American Geophysical Union (AGU)
|
| Schlagwörter: |
| author_facet |
Keika, K. Nakamura, R. Baumjohann, W. Angelopoulos, V. Chi, P. J. Glassmeier, K. H. Fillingim, M. Magnes, W. Auster, H. U. Fornaçon, K. H. Reeves, G. D. Yumoto, K. Lucek, E. A. Carr, C. M. Dandouras, I. Keika, K. Nakamura, R. Baumjohann, W. Angelopoulos, V. Chi, P. J. Glassmeier, K. H. Fillingim, M. Magnes, W. Auster, H. U. Fornaçon, K. H. Reeves, G. D. Yumoto, K. Lucek, E. A. Carr, C. M. Dandouras, I. |
|---|---|
| author |
Keika, K. Nakamura, R. Baumjohann, W. Angelopoulos, V. Chi, P. J. Glassmeier, K. H. Fillingim, M. Magnes, W. Auster, H. U. Fornaçon, K. H. Reeves, G. D. Yumoto, K. Lucek, E. A. Carr, C. M. Dandouras, I. |
| spellingShingle |
Keika, K. Nakamura, R. Baumjohann, W. Angelopoulos, V. Chi, P. J. Glassmeier, K. H. Fillingim, M. Magnes, W. Auster, H. U. Fornaçon, K. H. Reeves, G. D. Yumoto, K. Lucek, E. A. Carr, C. M. Dandouras, I. Journal of Geophysical Research: Space Physics Substorm expansion triggered by a sudden impulse front propagating from the dayside magnetopause 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 |
keika, k. |
| spelling |
Keika, K. Nakamura, R. Baumjohann, W. Angelopoulos, V. Chi, P. J. Glassmeier, K. H. Fillingim, M. Magnes, W. Auster, H. U. Fornaçon, K. H. Reeves, G. D. Yumoto, K. Lucek, E. A. Carr, C. M. Dandouras, I. 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/10.1029/2008ja013445 <jats:p>We examine a substorm expansion on 21 June 2007, which occurred <2 min after a solar wind discontinuity accompanied by a dynamic pressure (<jats:italic>P</jats:italic><jats:sub><jats:italic>d</jats:italic></jats:sub>) increase impinged on the magnetopause. To investigate how the perturbation due to such <jats:italic>P</jats:italic><jats:sub><jats:italic>d</jats:italic></jats:sub> increase propagates in the magnetosphere and what the timing analysis may imply about how this type of substorms is triggered, we utilize a large number of in situ magnetic field and plasma observations, a remote sensing of auroral brightening, and ground‐based magnetic field observations. The timing analysis shows that the front of a compression‐associated sudden impulse can reach the substorm expansion onset site (dawnside near‐Earth plasma sheet) at the substorm onset time. The onset site and time are determined from aurora images displaying aurora expansion, energetic electron data at geosynchronous orbit showing dispersed injection, and geomagnetic field data at high latitudes showing negative bays in the <jats:italic>H</jats:italic> component. Our 2‐D calculations of the fast‐mode propagation also demonstrate the arrival of the wavefront at the onset site and time. We suggest that for the class of substorms triggered by solar wind <jats:italic>P</jats:italic><jats:sub><jats:italic>d</jats:italic></jats:sub> increases, the triggering could occur within as short as 2 min after a <jats:italic>P</jats:italic><jats:sub><jats:italic>d</jats:italic></jats:sub> increase impinges on the magnetopause, consistent with the time needed for the sudden impulse wavefront to propagate inside the magnetosphere from the dayside magnetopause to the magnetotail.</jats:p> Substorm expansion triggered by a sudden impulse front propagating from the dayside magnetopause Journal of Geophysical Research: Space Physics |
| doi_str_mv |
10.1029/2008ja013445 |
| facet_avail |
Online Free |
| finc_class_facet |
Biologie Allgemeine Naturwissenschaft Physik Technik Geologie und Paläontologie Geographie Chemie und Pharmazie Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft |
| format |
ElectronicArticle |
| fullrecord |
blob:ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTAyOS8yMDA4amEwMTM0NDU |
| id |
ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTAyOS8yMDA4amEwMTM0NDU |
| 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 |
| imprint |
American Geophysical Union (AGU), 2009 |
| imprint_str_mv |
American Geophysical Union (AGU), 2009 |
| issn |
0148-0227 |
| issn_str_mv |
0148-0227 |
| language |
English |
| mega_collection |
American Geophysical Union (AGU) (CrossRef) |
| match_str |
keika2009substormexpansiontriggeredbyasuddenimpulsefrontpropagatingfromthedaysidemagnetopause |
| publishDateSort |
2009 |
| publisher |
American Geophysical Union (AGU) |
| recordtype |
ai |
| record_format |
ai |
| series |
Journal of Geophysical Research: Space Physics |
| source_id |
49 |
| title |
Substorm expansion triggered by a sudden impulse front propagating from the dayside magnetopause |
| title_unstemmed |
Substorm expansion triggered by a sudden impulse front propagating from the dayside magnetopause |
| title_full |
Substorm expansion triggered by a sudden impulse front propagating from the dayside magnetopause |
| title_fullStr |
Substorm expansion triggered by a sudden impulse front propagating from the dayside magnetopause |
| title_full_unstemmed |
Substorm expansion triggered by a sudden impulse front propagating from the dayside magnetopause |
| title_short |
Substorm expansion triggered by a sudden impulse front propagating from the dayside magnetopause |
| title_sort |
substorm expansion triggered by a sudden impulse front propagating from the dayside magnetopause |
| 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/10.1029/2008ja013445 |
| publishDate |
2009 |
| physical |
|
| description |
<jats:p>We examine a substorm expansion on 21 June 2007, which occurred <2 min after a solar wind discontinuity accompanied by a dynamic pressure (<jats:italic>P</jats:italic><jats:sub><jats:italic>d</jats:italic></jats:sub>) increase impinged on the magnetopause. To investigate how the perturbation due to such <jats:italic>P</jats:italic><jats:sub><jats:italic>d</jats:italic></jats:sub> increase propagates in the magnetosphere and what the timing analysis may imply about how this type of substorms is triggered, we utilize a large number of in situ magnetic field and plasma observations, a remote sensing of auroral brightening, and ground‐based magnetic field observations. The timing analysis shows that the front of a compression‐associated sudden impulse can reach the substorm expansion onset site (dawnside near‐Earth plasma sheet) at the substorm onset time. The onset site and time are determined from aurora images displaying aurora expansion, energetic electron data at geosynchronous orbit showing dispersed injection, and geomagnetic field data at high latitudes showing negative bays in the <jats:italic>H</jats:italic> component. Our 2‐D calculations of the fast‐mode propagation also demonstrate the arrival of the wavefront at the onset site and time. We suggest that for the class of substorms triggered by solar wind <jats:italic>P</jats:italic><jats:sub><jats:italic>d</jats:italic></jats:sub> increases, the triggering could occur within as short as 2 min after a <jats:italic>P</jats:italic><jats:sub><jats:italic>d</jats:italic></jats:sub> increase impinges on the magnetopause, consistent with the time needed for the sudden impulse wavefront to propagate inside the magnetosphere from the dayside magnetopause to the magnetotail.</jats:p> |
| container_issue |
A1 |
| container_start_page |
0 |
| container_title |
Journal of Geophysical Research: Space Physics |
| container_volume |
114 |
| format_de105 |
Article, E-Article |
| format_de14 |
Article, E-Article |
| format_de15 |
Article, E-Article |
| format_de520 |
Article, E-Article |
| format_de540 |
Article, E-Article |
| format_dech1 |
Article, E-Article |
| format_ded117 |
Article, E-Article |
| format_degla1 |
E-Article |
| format_del152 |
Buch |
| format_del189 |
Article, E-Article |
| format_dezi4 |
Article |
| format_dezwi2 |
Article, E-Article |
| format_finc |
Article, E-Article |
| format_nrw |
Article, E-Article |
| _version_ |
1792337771147296768 |
| geogr_code |
not assigned |
| last_indexed |
2024-03-01T15:21:10.064Z |
| geogr_code_person |
not assigned |
| openURL |
url_ver=Z39.88-2004&ctx_ver=Z39.88-2004&ctx_enc=info%3Aofi%2Fenc%3AUTF-8&rfr_id=info%3Asid%2Fvufind.svn.sourceforge.net%3Agenerator&rft.title=Substorm+expansion+triggered+by+a+sudden+impulse+front+propagating+from+the+dayside+magnetopause&rft.date=2009-01-01&genre=article&issn=0148-0227&volume=114&issue=A1&jtitle=Journal+of+Geophysical+Research%3A+Space+Physics&atitle=Substorm+expansion+triggered+by+a+sudden+impulse+front+propagating+from+the+dayside+magnetopause&aulast=Dandouras&aufirst=I.&rft_id=info%3Adoi%2F10.1029%2F2008ja013445&rft.language%5B0%5D=eng |
| SOLR | |
| _version_ | 1792337771147296768 |
| author | Keika, K., Nakamura, R., Baumjohann, W., Angelopoulos, V., Chi, P. J., Glassmeier, K. H., Fillingim, M., Magnes, W., Auster, H. U., Fornaçon, K. H., Reeves, G. D., Yumoto, K., Lucek, E. A., Carr, C. M., Dandouras, I. |
| author_facet | Keika, K., Nakamura, R., Baumjohann, W., Angelopoulos, V., Chi, P. J., Glassmeier, K. H., Fillingim, M., Magnes, W., Auster, H. U., Fornaçon, K. H., Reeves, G. D., Yumoto, K., Lucek, E. A., Carr, C. M., Dandouras, I., Keika, K., Nakamura, R., Baumjohann, W., Angelopoulos, V., Chi, P. J., Glassmeier, K. H., Fillingim, M., Magnes, W., Auster, H. U., Fornaçon, K. H., Reeves, G. D., Yumoto, K., Lucek, E. A., Carr, C. M., Dandouras, I. |
| author_sort | keika, k. |
| container_issue | A1 |
| container_start_page | 0 |
| container_title | Journal of Geophysical Research: Space Physics |
| container_volume | 114 |
| description | <jats:p>We examine a substorm expansion on 21 June 2007, which occurred <2 min after a solar wind discontinuity accompanied by a dynamic pressure (<jats:italic>P</jats:italic><jats:sub><jats:italic>d</jats:italic></jats:sub>) increase impinged on the magnetopause. To investigate how the perturbation due to such <jats:italic>P</jats:italic><jats:sub><jats:italic>d</jats:italic></jats:sub> increase propagates in the magnetosphere and what the timing analysis may imply about how this type of substorms is triggered, we utilize a large number of in situ magnetic field and plasma observations, a remote sensing of auroral brightening, and ground‐based magnetic field observations. The timing analysis shows that the front of a compression‐associated sudden impulse can reach the substorm expansion onset site (dawnside near‐Earth plasma sheet) at the substorm onset time. The onset site and time are determined from aurora images displaying aurora expansion, energetic electron data at geosynchronous orbit showing dispersed injection, and geomagnetic field data at high latitudes showing negative bays in the <jats:italic>H</jats:italic> component. Our 2‐D calculations of the fast‐mode propagation also demonstrate the arrival of the wavefront at the onset site and time. We suggest that for the class of substorms triggered by solar wind <jats:italic>P</jats:italic><jats:sub><jats:italic>d</jats:italic></jats:sub> increases, the triggering could occur within as short as 2 min after a <jats:italic>P</jats:italic><jats:sub><jats:italic>d</jats:italic></jats:sub> increase impinges on the magnetopause, consistent with the time needed for the sudden impulse wavefront to propagate inside the magnetosphere from the dayside magnetopause to the magnetotail.</jats:p> |
| doi_str_mv | 10.1029/2008ja013445 |
| facet_avail | Online, Free |
| finc_class_facet | Biologie, Allgemeine Naturwissenschaft, Physik, Technik, Geologie und Paläontologie, Geographie, Chemie und Pharmazie, Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft |
| format | ElectronicArticle |
| format_de105 | Article, E-Article |
| format_de14 | Article, E-Article |
| format_de15 | Article, E-Article |
| format_de520 | Article, E-Article |
| format_de540 | Article, E-Article |
| format_dech1 | Article, E-Article |
| format_ded117 | Article, E-Article |
| format_degla1 | E-Article |
| format_del152 | Buch |
| format_del189 | Article, E-Article |
| format_dezi4 | Article |
| format_dezwi2 | Article, E-Article |
| format_finc | Article, E-Article |
| format_nrw | Article, E-Article |
| geogr_code | not assigned |
| geogr_code_person | not assigned |
| id | ai-49-aHR0cDovL2R4LmRvaS5vcmcvMTAuMTAyOS8yMDA4amEwMTM0NDU |
| imprint | American Geophysical Union (AGU), 2009 |
| imprint_str_mv | American Geophysical Union (AGU), 2009 |
| 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 |
| issn | 0148-0227 |
| issn_str_mv | 0148-0227 |
| language | English |
| last_indexed | 2024-03-01T15:21:10.064Z |
| match_str | keika2009substormexpansiontriggeredbyasuddenimpulsefrontpropagatingfromthedaysidemagnetopause |
| mega_collection | American Geophysical Union (AGU) (CrossRef) |
| physical | |
| publishDate | 2009 |
| publishDateSort | 2009 |
| publisher | American Geophysical Union (AGU) |
| record_format | ai |
| recordtype | ai |
| series | Journal of Geophysical Research: Space Physics |
| source_id | 49 |
| spelling | Keika, K. Nakamura, R. Baumjohann, W. Angelopoulos, V. Chi, P. J. Glassmeier, K. H. Fillingim, M. Magnes, W. Auster, H. U. Fornaçon, K. H. Reeves, G. D. Yumoto, K. Lucek, E. A. Carr, C. M. Dandouras, I. 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/10.1029/2008ja013445 <jats:p>We examine a substorm expansion on 21 June 2007, which occurred <2 min after a solar wind discontinuity accompanied by a dynamic pressure (<jats:italic>P</jats:italic><jats:sub><jats:italic>d</jats:italic></jats:sub>) increase impinged on the magnetopause. To investigate how the perturbation due to such <jats:italic>P</jats:italic><jats:sub><jats:italic>d</jats:italic></jats:sub> increase propagates in the magnetosphere and what the timing analysis may imply about how this type of substorms is triggered, we utilize a large number of in situ magnetic field and plasma observations, a remote sensing of auroral brightening, and ground‐based magnetic field observations. The timing analysis shows that the front of a compression‐associated sudden impulse can reach the substorm expansion onset site (dawnside near‐Earth plasma sheet) at the substorm onset time. The onset site and time are determined from aurora images displaying aurora expansion, energetic electron data at geosynchronous orbit showing dispersed injection, and geomagnetic field data at high latitudes showing negative bays in the <jats:italic>H</jats:italic> component. Our 2‐D calculations of the fast‐mode propagation also demonstrate the arrival of the wavefront at the onset site and time. We suggest that for the class of substorms triggered by solar wind <jats:italic>P</jats:italic><jats:sub><jats:italic>d</jats:italic></jats:sub> increases, the triggering could occur within as short as 2 min after a <jats:italic>P</jats:italic><jats:sub><jats:italic>d</jats:italic></jats:sub> increase impinges on the magnetopause, consistent with the time needed for the sudden impulse wavefront to propagate inside the magnetosphere from the dayside magnetopause to the magnetotail.</jats:p> Substorm expansion triggered by a sudden impulse front propagating from the dayside magnetopause Journal of Geophysical Research: Space Physics |
| spellingShingle | Keika, K., Nakamura, R., Baumjohann, W., Angelopoulos, V., Chi, P. J., Glassmeier, K. H., Fillingim, M., Magnes, W., Auster, H. U., Fornaçon, K. H., Reeves, G. D., Yumoto, K., Lucek, E. A., Carr, C. M., Dandouras, I., Journal of Geophysical Research: Space Physics, Substorm expansion triggered by a sudden impulse front propagating from the dayside magnetopause, 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 | Substorm expansion triggered by a sudden impulse front propagating from the dayside magnetopause |
| title_full | Substorm expansion triggered by a sudden impulse front propagating from the dayside magnetopause |
| title_fullStr | Substorm expansion triggered by a sudden impulse front propagating from the dayside magnetopause |
| title_full_unstemmed | Substorm expansion triggered by a sudden impulse front propagating from the dayside magnetopause |
| title_short | Substorm expansion triggered by a sudden impulse front propagating from the dayside magnetopause |
| title_sort | substorm expansion triggered by a sudden impulse front propagating from the dayside magnetopause |
| title_unstemmed | Substorm expansion triggered by a sudden impulse front propagating from the dayside magnetopause |
| 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/10.1029/2008ja013445 |