New chorus wave properties near the equator from Van Allen Probes wave observations
The chorus wave properties are evaluated using Van Allen Probes data in the Earth's equatorial magnetosphere. Two distinct modes of lower band chorus are identified: a quasi‐parallel mode and a quasi‐electrostatic mode, whose wave normal direction is close to the resonance cone. Statistical res...
Ausführliche Beschreibung
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| Autor*in: |
Li, W [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2016 |
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| Rechteinformationen: |
Nutzungsrecht: © 2016. American Geophysical Union. All Rights Reserved. |
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| Übergeordnetes Werk: |
Enthalten in: Geophysical research letters - Washington, DC : Union, 1974, 43(2016), 10, Seite 4725-4735 |
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| Übergeordnetes Werk: |
volume:43 ; year:2016 ; number:10 ; pages:4725-4735 |
| Links: |
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| DOI / URN: |
10.1002/2016GL068780 |
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| 520 | |a The chorus wave properties are evaluated using Van Allen Probes data in the Earth's equatorial magnetosphere. Two distinct modes of lower band chorus are identified: a quasi‐parallel mode and a quasi‐electrostatic mode, whose wave normal direction is close to the resonance cone. Statistical results indicate that the quasi‐electrostatic (quasi‐parallel) mode preferentially occurs during relatively quiet (disturbed) geomagnetic activity at lower (higher) L shells. Although the magnetic intensity of the quasi‐electrostatic mode is considerably weaker than the quasi‐parallel mode, their electric intensities are comparable. A newly identified feature of the quasi‐electrostatic mode is that its frequency peaks at higher values compared to the quasi‐parallel mode that exhibits a broad frequency spectrum. Moreover, upper band chorus wave normal directions vary between 0° and the resonance cone and become more parallel as geomagnetic activity increases. Our new findings suggest that chorus‐driven energetic electron dynamics needs a careful examination by considering the properties of these two distinct modes. Chorus wave normal and spectral properties are evaluated using Van Allen Probes wave data Lower band chorus has two distinct modes: a quasi‐parallel mode and a quasi‐electrostatic mode Quasi‐electrostatic chorus occurs preferentially during quiet times, at lower L, and in higher frequencies | ||
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10.1002/2016GL068780 doi PQ20160719 (DE-627)OLC1977208150 (DE-599)GBVOLC1977208150 (PRQ)p1315-5d9a95ac7c4d0bfdc1fb071e9297fd56ebb11cf3cf6a207377ed1b9d354e45550 (KEY)0026932820160000043001004725newchoruswavepropertiesneartheequatorfromvanallenp DE-627 ger DE-627 rakwb eng 550 DNB 38.70 bkl Li, W verfasserin aut New chorus wave properties near the equator from Van Allen Probes wave observations 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The chorus wave properties are evaluated using Van Allen Probes data in the Earth's equatorial magnetosphere. Two distinct modes of lower band chorus are identified: a quasi‐parallel mode and a quasi‐electrostatic mode, whose wave normal direction is close to the resonance cone. Statistical results indicate that the quasi‐electrostatic (quasi‐parallel) mode preferentially occurs during relatively quiet (disturbed) geomagnetic activity at lower (higher) L shells. Although the magnetic intensity of the quasi‐electrostatic mode is considerably weaker than the quasi‐parallel mode, their electric intensities are comparable. A newly identified feature of the quasi‐electrostatic mode is that its frequency peaks at higher values compared to the quasi‐parallel mode that exhibits a broad frequency spectrum. Moreover, upper band chorus wave normal directions vary between 0° and the resonance cone and become more parallel as geomagnetic activity increases. Our new findings suggest that chorus‐driven energetic electron dynamics needs a careful examination by considering the properties of these two distinct modes. Chorus wave normal and spectral properties are evaluated using Van Allen Probes wave data Lower band chorus has two distinct modes: a quasi‐parallel mode and a quasi‐electrostatic mode Quasi‐electrostatic chorus occurs preferentially during quiet times, at lower L, and in higher frequencies Nutzungsrecht: © 2016. American Geophysical Union. All Rights Reserved. quasi‐parallel quasi‐electrostatic oblique wave normal angles chorus wave Geophysics Santolik, O oth Bortnik, J oth Thorne, R. M oth Kletzing, C. A oth Kurth, W. S oth Hospodarsky, G. B oth Enthalten in Geophysical research letters Washington, DC : Union, 1974 43(2016), 10, Seite 4725-4735 (DE-627)129095109 (DE-600)7403-2 (DE-576)01443122X 0094-8276 nnns volume:43 year:2016 number:10 pages:4725-4735 http://dx.doi.org/10.1002/2016GL068780 Volltext http://onlinelibrary.wiley.com/doi/10.1002/2016GL068780/abstract http://search.proquest.com/docview/1797459146 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_47 GBV_ILN_62 GBV_ILN_154 GBV_ILN_601 GBV_ILN_2279 38.70 AVZ AR 43 2016 10 4725-4735 |
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10.1002/2016GL068780 doi PQ20160719 (DE-627)OLC1977208150 (DE-599)GBVOLC1977208150 (PRQ)p1315-5d9a95ac7c4d0bfdc1fb071e9297fd56ebb11cf3cf6a207377ed1b9d354e45550 (KEY)0026932820160000043001004725newchoruswavepropertiesneartheequatorfromvanallenp DE-627 ger DE-627 rakwb eng 550 DNB 38.70 bkl Li, W verfasserin aut New chorus wave properties near the equator from Van Allen Probes wave observations 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The chorus wave properties are evaluated using Van Allen Probes data in the Earth's equatorial magnetosphere. Two distinct modes of lower band chorus are identified: a quasi‐parallel mode and a quasi‐electrostatic mode, whose wave normal direction is close to the resonance cone. Statistical results indicate that the quasi‐electrostatic (quasi‐parallel) mode preferentially occurs during relatively quiet (disturbed) geomagnetic activity at lower (higher) L shells. Although the magnetic intensity of the quasi‐electrostatic mode is considerably weaker than the quasi‐parallel mode, their electric intensities are comparable. A newly identified feature of the quasi‐electrostatic mode is that its frequency peaks at higher values compared to the quasi‐parallel mode that exhibits a broad frequency spectrum. Moreover, upper band chorus wave normal directions vary between 0° and the resonance cone and become more parallel as geomagnetic activity increases. Our new findings suggest that chorus‐driven energetic electron dynamics needs a careful examination by considering the properties of these two distinct modes. Chorus wave normal and spectral properties are evaluated using Van Allen Probes wave data Lower band chorus has two distinct modes: a quasi‐parallel mode and a quasi‐electrostatic mode Quasi‐electrostatic chorus occurs preferentially during quiet times, at lower L, and in higher frequencies Nutzungsrecht: © 2016. American Geophysical Union. All Rights Reserved. quasi‐parallel quasi‐electrostatic oblique wave normal angles chorus wave Geophysics Santolik, O oth Bortnik, J oth Thorne, R. M oth Kletzing, C. A oth Kurth, W. S oth Hospodarsky, G. B oth Enthalten in Geophysical research letters Washington, DC : Union, 1974 43(2016), 10, Seite 4725-4735 (DE-627)129095109 (DE-600)7403-2 (DE-576)01443122X 0094-8276 nnns volume:43 year:2016 number:10 pages:4725-4735 http://dx.doi.org/10.1002/2016GL068780 Volltext http://onlinelibrary.wiley.com/doi/10.1002/2016GL068780/abstract http://search.proquest.com/docview/1797459146 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_47 GBV_ILN_62 GBV_ILN_154 GBV_ILN_601 GBV_ILN_2279 38.70 AVZ AR 43 2016 10 4725-4735 |
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10.1002/2016GL068780 doi PQ20160719 (DE-627)OLC1977208150 (DE-599)GBVOLC1977208150 (PRQ)p1315-5d9a95ac7c4d0bfdc1fb071e9297fd56ebb11cf3cf6a207377ed1b9d354e45550 (KEY)0026932820160000043001004725newchoruswavepropertiesneartheequatorfromvanallenp DE-627 ger DE-627 rakwb eng 550 DNB 38.70 bkl Li, W verfasserin aut New chorus wave properties near the equator from Van Allen Probes wave observations 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The chorus wave properties are evaluated using Van Allen Probes data in the Earth's equatorial magnetosphere. Two distinct modes of lower band chorus are identified: a quasi‐parallel mode and a quasi‐electrostatic mode, whose wave normal direction is close to the resonance cone. Statistical results indicate that the quasi‐electrostatic (quasi‐parallel) mode preferentially occurs during relatively quiet (disturbed) geomagnetic activity at lower (higher) L shells. Although the magnetic intensity of the quasi‐electrostatic mode is considerably weaker than the quasi‐parallel mode, their electric intensities are comparable. A newly identified feature of the quasi‐electrostatic mode is that its frequency peaks at higher values compared to the quasi‐parallel mode that exhibits a broad frequency spectrum. Moreover, upper band chorus wave normal directions vary between 0° and the resonance cone and become more parallel as geomagnetic activity increases. Our new findings suggest that chorus‐driven energetic electron dynamics needs a careful examination by considering the properties of these two distinct modes. Chorus wave normal and spectral properties are evaluated using Van Allen Probes wave data Lower band chorus has two distinct modes: a quasi‐parallel mode and a quasi‐electrostatic mode Quasi‐electrostatic chorus occurs preferentially during quiet times, at lower L, and in higher frequencies Nutzungsrecht: © 2016. American Geophysical Union. All Rights Reserved. quasi‐parallel quasi‐electrostatic oblique wave normal angles chorus wave Geophysics Santolik, O oth Bortnik, J oth Thorne, R. M oth Kletzing, C. A oth Kurth, W. S oth Hospodarsky, G. B oth Enthalten in Geophysical research letters Washington, DC : Union, 1974 43(2016), 10, Seite 4725-4735 (DE-627)129095109 (DE-600)7403-2 (DE-576)01443122X 0094-8276 nnns volume:43 year:2016 number:10 pages:4725-4735 http://dx.doi.org/10.1002/2016GL068780 Volltext http://onlinelibrary.wiley.com/doi/10.1002/2016GL068780/abstract http://search.proquest.com/docview/1797459146 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_47 GBV_ILN_62 GBV_ILN_154 GBV_ILN_601 GBV_ILN_2279 38.70 AVZ AR 43 2016 10 4725-4735 |
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10.1002/2016GL068780 doi PQ20160719 (DE-627)OLC1977208150 (DE-599)GBVOLC1977208150 (PRQ)p1315-5d9a95ac7c4d0bfdc1fb071e9297fd56ebb11cf3cf6a207377ed1b9d354e45550 (KEY)0026932820160000043001004725newchoruswavepropertiesneartheequatorfromvanallenp DE-627 ger DE-627 rakwb eng 550 DNB 38.70 bkl Li, W verfasserin aut New chorus wave properties near the equator from Van Allen Probes wave observations 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The chorus wave properties are evaluated using Van Allen Probes data in the Earth's equatorial magnetosphere. Two distinct modes of lower band chorus are identified: a quasi‐parallel mode and a quasi‐electrostatic mode, whose wave normal direction is close to the resonance cone. Statistical results indicate that the quasi‐electrostatic (quasi‐parallel) mode preferentially occurs during relatively quiet (disturbed) geomagnetic activity at lower (higher) L shells. Although the magnetic intensity of the quasi‐electrostatic mode is considerably weaker than the quasi‐parallel mode, their electric intensities are comparable. A newly identified feature of the quasi‐electrostatic mode is that its frequency peaks at higher values compared to the quasi‐parallel mode that exhibits a broad frequency spectrum. Moreover, upper band chorus wave normal directions vary between 0° and the resonance cone and become more parallel as geomagnetic activity increases. Our new findings suggest that chorus‐driven energetic electron dynamics needs a careful examination by considering the properties of these two distinct modes. Chorus wave normal and spectral properties are evaluated using Van Allen Probes wave data Lower band chorus has two distinct modes: a quasi‐parallel mode and a quasi‐electrostatic mode Quasi‐electrostatic chorus occurs preferentially during quiet times, at lower L, and in higher frequencies Nutzungsrecht: © 2016. American Geophysical Union. All Rights Reserved. quasi‐parallel quasi‐electrostatic oblique wave normal angles chorus wave Geophysics Santolik, O oth Bortnik, J oth Thorne, R. M oth Kletzing, C. A oth Kurth, W. S oth Hospodarsky, G. B oth Enthalten in Geophysical research letters Washington, DC : Union, 1974 43(2016), 10, Seite 4725-4735 (DE-627)129095109 (DE-600)7403-2 (DE-576)01443122X 0094-8276 nnns volume:43 year:2016 number:10 pages:4725-4735 http://dx.doi.org/10.1002/2016GL068780 Volltext http://onlinelibrary.wiley.com/doi/10.1002/2016GL068780/abstract http://search.proquest.com/docview/1797459146 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_47 GBV_ILN_62 GBV_ILN_154 GBV_ILN_601 GBV_ILN_2279 38.70 AVZ AR 43 2016 10 4725-4735 |
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10.1002/2016GL068780 doi PQ20160719 (DE-627)OLC1977208150 (DE-599)GBVOLC1977208150 (PRQ)p1315-5d9a95ac7c4d0bfdc1fb071e9297fd56ebb11cf3cf6a207377ed1b9d354e45550 (KEY)0026932820160000043001004725newchoruswavepropertiesneartheequatorfromvanallenp DE-627 ger DE-627 rakwb eng 550 DNB 38.70 bkl Li, W verfasserin aut New chorus wave properties near the equator from Van Allen Probes wave observations 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier The chorus wave properties are evaluated using Van Allen Probes data in the Earth's equatorial magnetosphere. Two distinct modes of lower band chorus are identified: a quasi‐parallel mode and a quasi‐electrostatic mode, whose wave normal direction is close to the resonance cone. Statistical results indicate that the quasi‐electrostatic (quasi‐parallel) mode preferentially occurs during relatively quiet (disturbed) geomagnetic activity at lower (higher) L shells. Although the magnetic intensity of the quasi‐electrostatic mode is considerably weaker than the quasi‐parallel mode, their electric intensities are comparable. A newly identified feature of the quasi‐electrostatic mode is that its frequency peaks at higher values compared to the quasi‐parallel mode that exhibits a broad frequency spectrum. Moreover, upper band chorus wave normal directions vary between 0° and the resonance cone and become more parallel as geomagnetic activity increases. Our new findings suggest that chorus‐driven energetic electron dynamics needs a careful examination by considering the properties of these two distinct modes. Chorus wave normal and spectral properties are evaluated using Van Allen Probes wave data Lower band chorus has two distinct modes: a quasi‐parallel mode and a quasi‐electrostatic mode Quasi‐electrostatic chorus occurs preferentially during quiet times, at lower L, and in higher frequencies Nutzungsrecht: © 2016. American Geophysical Union. All Rights Reserved. quasi‐parallel quasi‐electrostatic oblique wave normal angles chorus wave Geophysics Santolik, O oth Bortnik, J oth Thorne, R. M oth Kletzing, C. A oth Kurth, W. S oth Hospodarsky, G. B oth Enthalten in Geophysical research letters Washington, DC : Union, 1974 43(2016), 10, Seite 4725-4735 (DE-627)129095109 (DE-600)7403-2 (DE-576)01443122X 0094-8276 nnns volume:43 year:2016 number:10 pages:4725-4735 http://dx.doi.org/10.1002/2016GL068780 Volltext http://onlinelibrary.wiley.com/doi/10.1002/2016GL068780/abstract http://search.proquest.com/docview/1797459146 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-GEO SSG-OPC-GGO SSG-OPC-GEO GBV_ILN_47 GBV_ILN_62 GBV_ILN_154 GBV_ILN_601 GBV_ILN_2279 38.70 AVZ AR 43 2016 10 4725-4735 |
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New chorus wave properties near the equator from Van Allen Probes wave observations |
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new chorus wave properties near the equator from van allen probes wave observations |
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New chorus wave properties near the equator from Van Allen Probes wave observations |
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The chorus wave properties are evaluated using Van Allen Probes data in the Earth's equatorial magnetosphere. Two distinct modes of lower band chorus are identified: a quasi‐parallel mode and a quasi‐electrostatic mode, whose wave normal direction is close to the resonance cone. Statistical results indicate that the quasi‐electrostatic (quasi‐parallel) mode preferentially occurs during relatively quiet (disturbed) geomagnetic activity at lower (higher) L shells. Although the magnetic intensity of the quasi‐electrostatic mode is considerably weaker than the quasi‐parallel mode, their electric intensities are comparable. A newly identified feature of the quasi‐electrostatic mode is that its frequency peaks at higher values compared to the quasi‐parallel mode that exhibits a broad frequency spectrum. Moreover, upper band chorus wave normal directions vary between 0° and the resonance cone and become more parallel as geomagnetic activity increases. Our new findings suggest that chorus‐driven energetic electron dynamics needs a careful examination by considering the properties of these two distinct modes. Chorus wave normal and spectral properties are evaluated using Van Allen Probes wave data Lower band chorus has two distinct modes: a quasi‐parallel mode and a quasi‐electrostatic mode Quasi‐electrostatic chorus occurs preferentially during quiet times, at lower L, and in higher frequencies |
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The chorus wave properties are evaluated using Van Allen Probes data in the Earth's equatorial magnetosphere. Two distinct modes of lower band chorus are identified: a quasi‐parallel mode and a quasi‐electrostatic mode, whose wave normal direction is close to the resonance cone. Statistical results indicate that the quasi‐electrostatic (quasi‐parallel) mode preferentially occurs during relatively quiet (disturbed) geomagnetic activity at lower (higher) L shells. Although the magnetic intensity of the quasi‐electrostatic mode is considerably weaker than the quasi‐parallel mode, their electric intensities are comparable. A newly identified feature of the quasi‐electrostatic mode is that its frequency peaks at higher values compared to the quasi‐parallel mode that exhibits a broad frequency spectrum. Moreover, upper band chorus wave normal directions vary between 0° and the resonance cone and become more parallel as geomagnetic activity increases. Our new findings suggest that chorus‐driven energetic electron dynamics needs a careful examination by considering the properties of these two distinct modes. Chorus wave normal and spectral properties are evaluated using Van Allen Probes wave data Lower band chorus has two distinct modes: a quasi‐parallel mode and a quasi‐electrostatic mode Quasi‐electrostatic chorus occurs preferentially during quiet times, at lower L, and in higher frequencies |
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The chorus wave properties are evaluated using Van Allen Probes data in the Earth's equatorial magnetosphere. Two distinct modes of lower band chorus are identified: a quasi‐parallel mode and a quasi‐electrostatic mode, whose wave normal direction is close to the resonance cone. Statistical results indicate that the quasi‐electrostatic (quasi‐parallel) mode preferentially occurs during relatively quiet (disturbed) geomagnetic activity at lower (higher) L shells. Although the magnetic intensity of the quasi‐electrostatic mode is considerably weaker than the quasi‐parallel mode, their electric intensities are comparable. A newly identified feature of the quasi‐electrostatic mode is that its frequency peaks at higher values compared to the quasi‐parallel mode that exhibits a broad frequency spectrum. Moreover, upper band chorus wave normal directions vary between 0° and the resonance cone and become more parallel as geomagnetic activity increases. Our new findings suggest that chorus‐driven energetic electron dynamics needs a careful examination by considering the properties of these two distinct modes. Chorus wave normal and spectral properties are evaluated using Van Allen Probes wave data Lower band chorus has two distinct modes: a quasi‐parallel mode and a quasi‐electrostatic mode Quasi‐electrostatic chorus occurs preferentially during quiet times, at lower L, and in higher frequencies |
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New chorus wave properties near the equator from Van Allen Probes wave observations |
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http://dx.doi.org/10.1002/2016GL068780 http://onlinelibrary.wiley.com/doi/10.1002/2016GL068780/abstract http://search.proquest.com/docview/1797459146 |
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