Poynting vectors of Pc 5 pulsations observed by the GEOTAIL satellite in the dayside outer magnetosphere
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- Sakurai Tohru
- Department of Aeronautics and Astronautics, School of Engineering, Tokai University
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- Tonegawa Yutaka
- Department of Aeronautics and Astronautics, School of Engineering, Tokai University
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- Shinkai Yuichi
- Department of Aeronautics and Astronautics, School of Engineering, Tokai University
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- Yumoto Kiyohumi
- Department of Earth and Planetary Sciences, Kyushu University
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- Kokubun Susumu
- Solar-Terrestrial Environmental Laboratory, Nagoya University
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- Tsuruda Koichiro
- The Institute of Space and Aeronautical Science
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- Mukai Toshifumi
- The Institute of Space and Aeronautical Science
Bibliographic Information
- Other Title
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- Poynting vectors of Pc 5 pulsations observed by thc GEOTAIL satellite in the dayside outer magnetosphere
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Abstract
Poynting vectors of Pc 5 pulsations observed in the dayside outer magnetosphere are examined with the magnetic and electric field data simultaneously observed by the GEOTAIL satellite. Poynting energy can be estimated as about 10-8-10-6 W/m2 in both directions across and along the magnetic field-line. However, the energy propagating across the magnetic field-line is larger than the energy propagating along the magnetic field-line. From this result we can estimate the Pc 5 wave energy flowing into the inner magnetosphere during an hour as 1010-1013 J, which is one or two orders less than the substorm energy (about 1014-1015 J). However, by taking into account of the continuous activation of Pc 5 pulsations in the outer magnetosphere, Pc 5 waves should play an important role for energetics in the magnetosphere.
Journal
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- Earth, Planets and Space
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Earth, Planets and Space 53 (8), 843-849, 2001
Society of Geomagnetism and Earth, Planetary and Space Sciences, The Seismological Society of Japan, The Volcanological Society of Japan , The Geodetic Society of Japan , The Japanese Society for Planetary Sciences
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Details 詳細情報について
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- CRID
- 1390001206512354944
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- NII Article ID
- 10007640674
- 130003956278
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- NII Book ID
- AA11211921
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- ISSN
- 18805981
- 13438832
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- NDL BIB ID
- 5915580
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- Text Lang
- en
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed