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Enhanced atmospheric oxygen outflow on Earth and Mars driven by a corotating interaction region
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| Zeitschriftentitel: | Journal of Geophysical Research: Space Physics |
|---|---|
| Personen und Körperschaften: | , , , , , , , , , , , , |
| In: | Journal of Geophysical Research: Space Physics, 117, 2012, A3 |
| Format: | E-Article |
| Sprache: | Englisch |
| veröffentlicht: |
American Geophysical Union (AGU)
|
| Schlagwörter: |
| author_facet |
Wei, Y. Fraenz, M. Dubinin, E. Woch, J. Lühr, H. Wan, W. Zong, Q.‐G. Zhang, T. L. Pu, Z. Y. Fu, S. Y. Barabash, S. Lundin, R. Dandouras, I. Wei, Y. Fraenz, M. Dubinin, E. Woch, J. Lühr, H. Wan, W. Zong, Q.‐G. Zhang, T. L. Pu, Z. Y. Fu, S. Y. Barabash, S. Lundin, R. Dandouras, I. |
|---|---|
| author |
Wei, Y. Fraenz, M. Dubinin, E. Woch, J. Lühr, H. Wan, W. Zong, Q.‐G. Zhang, T. L. Pu, Z. Y. Fu, S. Y. Barabash, S. Lundin, R. Dandouras, I. |
| spellingShingle |
Wei, Y. Fraenz, M. Dubinin, E. Woch, J. Lühr, H. Wan, W. Zong, Q.‐G. Zhang, T. L. Pu, Z. Y. Fu, S. Y. Barabash, S. Lundin, R. Dandouras, I. Journal of Geophysical Research: Space Physics Enhanced atmospheric oxygen outflow on Earth and Mars driven by a corotating interaction region 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 |
wei, y. |
| spelling |
Wei, Y. Fraenz, M. Dubinin, E. Woch, J. Lühr, H. Wan, W. Zong, Q.‐G. Zhang, T. L. Pu, Z. Y. Fu, S. Y. Barabash, S. Lundin, R. 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/10.1029/2011ja017340 <jats:p>Solar wind controls nonthermal escape of planetary atmospheric volatiles, regardless of the strength of planetary magnetic fields. For both Earth with a strong dipole and Mars with weak remnant fields, the oxygen ion (O<jats:sup>+</jats:sup>) outflow has been separately found to be enhanced during corotating interaction region (CIR) passage. Here we compared the enhancements of O<jats:sup>+</jats:sup> outflow on Earth and Mars driven by a CIR in January 2008, when Sun, Earth, and Mars were approximately aligned. The CIR propagation was recorded by STEREO, ACE, Cluster, and Mars Express (MEX). During the CIR passage, Cluster observed enhanced flux of upwelling oxygen ions above the Earth's polar region, while MEX detected an increased escape flux of oxygen ions in the Martian magnetosphere. We found that (1) under a solar wind dynamic pressure increase of 2–3 nPa, the rate of increase in Martian O<jats:sup>+</jats:sup> outflow flux was 1 order higher than those on Earth; and (2) as a response to the same part of the CIR body, the rate of increase in Martian O<jats:sup>+</jats:sup> outflow flux was on the same order as for Earth. The comparison results imply that the dipole effectively prevents coupling of solar wind kinetic energy to planetary ions, and the distance to the Sun is also crucially important for planetary volatile loss in our inner solar system.</jats:p> Enhanced atmospheric oxygen outflow on Earth and Mars driven by a corotating interaction region Journal of Geophysical Research: Space Physics |
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Geographie Chemie und Pharmazie Land- und Forstwirtschaft, Gartenbau, Fischereiwirtschaft, Hauswirtschaft Biologie Allgemeine Naturwissenschaft Physik Technik Geologie und Paläontologie |
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| title |
Enhanced atmospheric oxygen outflow on Earth and Mars driven by a corotating interaction region |
| title_unstemmed |
Enhanced atmospheric oxygen outflow on Earth and Mars driven by a corotating interaction region |
| title_full |
Enhanced atmospheric oxygen outflow on Earth and Mars driven by a corotating interaction region |
| title_fullStr |
Enhanced atmospheric oxygen outflow on Earth and Mars driven by a corotating interaction region |
| title_full_unstemmed |
Enhanced atmospheric oxygen outflow on Earth and Mars driven by a corotating interaction region |
| title_short |
Enhanced atmospheric oxygen outflow on Earth and Mars driven by a corotating interaction region |
| title_sort |
enhanced atmospheric oxygen outflow on earth and mars driven by a corotating interaction region |
| 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/10.1029/2011ja017340 |
| publishDate |
2012 |
| physical |
|
| description |
<jats:p>Solar wind controls nonthermal escape of planetary atmospheric volatiles, regardless of the strength of planetary magnetic fields. For both Earth with a strong dipole and Mars with weak remnant fields, the oxygen ion (O<jats:sup>+</jats:sup>) outflow has been separately found to be enhanced during corotating interaction region (CIR) passage. Here we compared the enhancements of O<jats:sup>+</jats:sup> outflow on Earth and Mars driven by a CIR in January 2008, when Sun, Earth, and Mars were approximately aligned. The CIR propagation was recorded by STEREO, ACE, Cluster, and Mars Express (MEX). During the CIR passage, Cluster observed enhanced flux of upwelling oxygen ions above the Earth's polar region, while MEX detected an increased escape flux of oxygen ions in the Martian magnetosphere. We found that (1) under a solar wind dynamic pressure increase of 2–3 nPa, the rate of increase in Martian O<jats:sup>+</jats:sup> outflow flux was 1 order higher than those on Earth; and (2) as a response to the same part of the CIR body, the rate of increase in Martian O<jats:sup>+</jats:sup> outflow flux was on the same order as for Earth. The comparison results imply that the dipole effectively prevents coupling of solar wind kinetic energy to planetary ions, and the distance to the Sun is also crucially important for planetary volatile loss in our inner solar system.</jats:p> |
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| author | Wei, Y., Fraenz, M., Dubinin, E., Woch, J., Lühr, H., Wan, W., Zong, Q.‐G., Zhang, T. L., Pu, Z. Y., Fu, S. Y., Barabash, S., Lundin, R., Dandouras, I. |
| author_facet | Wei, Y., Fraenz, M., Dubinin, E., Woch, J., Lühr, H., Wan, W., Zong, Q.‐G., Zhang, T. L., Pu, Z. Y., Fu, S. Y., Barabash, S., Lundin, R., Dandouras, I., Wei, Y., Fraenz, M., Dubinin, E., Woch, J., Lühr, H., Wan, W., Zong, Q.‐G., Zhang, T. L., Pu, Z. Y., Fu, S. Y., Barabash, S., Lundin, R., Dandouras, I. |
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| description | <jats:p>Solar wind controls nonthermal escape of planetary atmospheric volatiles, regardless of the strength of planetary magnetic fields. For both Earth with a strong dipole and Mars with weak remnant fields, the oxygen ion (O<jats:sup>+</jats:sup>) outflow has been separately found to be enhanced during corotating interaction region (CIR) passage. Here we compared the enhancements of O<jats:sup>+</jats:sup> outflow on Earth and Mars driven by a CIR in January 2008, when Sun, Earth, and Mars were approximately aligned. The CIR propagation was recorded by STEREO, ACE, Cluster, and Mars Express (MEX). During the CIR passage, Cluster observed enhanced flux of upwelling oxygen ions above the Earth's polar region, while MEX detected an increased escape flux of oxygen ions in the Martian magnetosphere. We found that (1) under a solar wind dynamic pressure increase of 2–3 nPa, the rate of increase in Martian O<jats:sup>+</jats:sup> outflow flux was 1 order higher than those on Earth; and (2) as a response to the same part of the CIR body, the rate of increase in Martian O<jats:sup>+</jats:sup> outflow flux was on the same order as for Earth. The comparison results imply that the dipole effectively prevents coupling of solar wind kinetic energy to planetary ions, and the distance to the Sun is also crucially important for planetary volatile loss in our inner solar system.</jats:p> |
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| institution | DE-Zwi2, DE-D161, DE-Gla1, DE-Zi4, DE-15, DE-Pl11, DE-Rs1, DE-105, DE-14, DE-Ch1, DE-L229, DE-D275, DE-Bn3, DE-Brt1 |
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| spelling | Wei, Y. Fraenz, M. Dubinin, E. Woch, J. Lühr, H. Wan, W. Zong, Q.‐G. Zhang, T. L. Pu, Z. Y. Fu, S. Y. Barabash, S. Lundin, R. 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/10.1029/2011ja017340 <jats:p>Solar wind controls nonthermal escape of planetary atmospheric volatiles, regardless of the strength of planetary magnetic fields. For both Earth with a strong dipole and Mars with weak remnant fields, the oxygen ion (O<jats:sup>+</jats:sup>) outflow has been separately found to be enhanced during corotating interaction region (CIR) passage. Here we compared the enhancements of O<jats:sup>+</jats:sup> outflow on Earth and Mars driven by a CIR in January 2008, when Sun, Earth, and Mars were approximately aligned. The CIR propagation was recorded by STEREO, ACE, Cluster, and Mars Express (MEX). During the CIR passage, Cluster observed enhanced flux of upwelling oxygen ions above the Earth's polar region, while MEX detected an increased escape flux of oxygen ions in the Martian magnetosphere. We found that (1) under a solar wind dynamic pressure increase of 2–3 nPa, the rate of increase in Martian O<jats:sup>+</jats:sup> outflow flux was 1 order higher than those on Earth; and (2) as a response to the same part of the CIR body, the rate of increase in Martian O<jats:sup>+</jats:sup> outflow flux was on the same order as for Earth. The comparison results imply that the dipole effectively prevents coupling of solar wind kinetic energy to planetary ions, and the distance to the Sun is also crucially important for planetary volatile loss in our inner solar system.</jats:p> Enhanced atmospheric oxygen outflow on Earth and Mars driven by a corotating interaction region Journal of Geophysical Research: Space Physics |
| spellingShingle | Wei, Y., Fraenz, M., Dubinin, E., Woch, J., Lühr, H., Wan, W., Zong, Q.‐G., Zhang, T. L., Pu, Z. Y., Fu, S. Y., Barabash, S., Lundin, R., Dandouras, I., Journal of Geophysical Research: Space Physics, Enhanced atmospheric oxygen outflow on Earth and Mars driven by a corotating interaction region, 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 | Enhanced atmospheric oxygen outflow on Earth and Mars driven by a corotating interaction region |
| title_full | Enhanced atmospheric oxygen outflow on Earth and Mars driven by a corotating interaction region |
| title_fullStr | Enhanced atmospheric oxygen outflow on Earth and Mars driven by a corotating interaction region |
| title_full_unstemmed | Enhanced atmospheric oxygen outflow on Earth and Mars driven by a corotating interaction region |
| title_short | Enhanced atmospheric oxygen outflow on Earth and Mars driven by a corotating interaction region |
| title_sort | enhanced atmospheric oxygen outflow on earth and mars driven by a corotating interaction region |
| title_unstemmed | Enhanced atmospheric oxygen outflow on Earth and Mars driven by a corotating interaction region |
| 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/10.1029/2011ja017340 |