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Annales Geophysicae An interactive open-access journal of the European Geosciences Union
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Volume 35, issue 3
Ann. Geophys., 35, 525–533, 2017
https://doi.org/10.5194/angeo-35-525-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Special issue: The 14th International Symposium on Equatorial Aeronomy

Ann. Geophys., 35, 525–533, 2017
https://doi.org/10.5194/angeo-35-525-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Regular paper 05 Apr 2017

Regular paper | 05 Apr 2017

Longitudinal, seasonal and solar cycle variation in lunar tide influence on the equatorial electrojet

Endawoke Yizengaw and Brett A. Carter

Data sets

The magnetometer data from AAE, HUA, and MBO stations INTERMAGNET http://www.intermagnet.org/

The magnetic data from DVO station International Centre for Space Weather Science and Education http://magdas.serc.kyushu-u.ac.jp/request/index.html

Dst index USGS https://geomag.usgs.gov/

Publications Copernicus
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Short summary
The lunar tide influence on the equatorial electrojet (EEJ) gets intensified around noon, primarily during new and full Moon periods. However, the longitudinal, seasonal and solar cycle variability in the lunar tide’s influence on ionospheric current systems is not well understood yet. In order to investigate this, 17 years (1998–2014) of extensive magnetometer observations at four longitudinal sectors (western American, western and eastern African, and Asian) have been analyzed.
The lunar tide influence on the equatorial electrojet (EEJ) gets intensified around noon,...
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