The Sidebands of the Equatorial Electrojet: General Characteristic of the Westward Currents, as Deduced From CHAMP

Zhou, Yun-Liang; Lühr, Hermann; Alken, Patrick

doi:10.1002/2017ja024687

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The Sidebands of the Equatorial Electrojet: General Characteristic of the Westward Currents, as Deduced From CHAMP

2018
By Zhou, Yun-Liang ; Lühr, Hermann ; Alken, Patrick
Source: Journal of Geophysical Research: Space Physics, 123(2), 1457-1476

[PDF-2.46 MB]

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Journal Title:

Journal of Geophysical Research: Space Physics
Personal Author:

Zhou, Yun-Liang ; Lühr, Hermann ; Alken, Patrick

Zhou, Yun-Liang ; Lühr, Hermann ; Alken, Patrick Less -
NOAA Program & Office:

CIRES (Cooperative Institute for Research in Environmental Sciences)
Description:

Based on 5 years (2001 –2005) of magnetic ﬁeld measurements made by the CHAMP satellite, latitudinal pro ﬁles of the equatorial electrojet (EEJ) have been derived. This study provides a comprehensive characterization of the reverse current EEJ sidebands. These westward currents peak at ±5° quasi-dipole latitude with typical amplitudes of 35% of the main EEJ. The diurnal amplitude variation is quite comparable with that of the EEJ. Similarly to the EEJ, the intensity is increasing with solar EUV ﬂux, but with a steeper slope, indicating that not only the conductivity plays a role. For the longitude distribution weﬁnd, in general, larger amplitudes in the Western than in the Eastern Hemisphere. It is presently a
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Geophysics Space And Planetary Science
Source:

Journal of Geophysical Research: Space Physics, 123(2), 1457-1476
DOI:

https://doi.org/10.1002/2017ja024687
ISSN:

2169-9380
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PDF
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American Geophysical Union (AGU)
Document Type:

Journal Article
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urn:sha256:a90dc400d0a4331302e0e773be5a73ac10f7c0aa45653e7fed2374f99db6b968
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https://repository.library.noaa.gov/view/noaa/55233/noaa_55233_DS1.pdf
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