Mon Oct 13, F. Flechtner
• Sorted by Date • Sorted by Last Name of First Author •
Kuai, Jiawei, Liu, Libo, Lei, Jiuhou, Liu, Jing, Zhao, Biqiang, Chen, Yiding, Le, Huijun, Wang, Yungang, and Hu, Lianhuan, 2017. Regional differences of the ionospheric response to the July 2012 geomagnetic storm. Journal of Geophysical Research (Space Physics), 122(4):4654–4668, doi:10.1002/2016JA023844.
• from the NASA Astrophysics Data System • by the DOI System •
@ARTICLE{2017JGRA..122.4654K,
author = {{Kuai}, Jiawei and {Liu}, Libo and {Lei}, Jiuhou and {Liu}, Jing and {Zhao}, Biqiang and {Chen}, Yiding and {Le}, Huijun and {Wang}, Yungang and {Hu}, Lianhuan},
title = "{Regional differences of the ionospheric response to the July 2012 geomagnetic storm}",
journal = {Journal of Geophysical Research (Space Physics)},
keywords = {ionospheric storms},
year = 2017,
month = apr,
volume = {122},
number = {4},
pages = {4654-4668},
abstract = "{The July 2012 geomagnetic storm is an extreme space weather event in
solar cycle 24, which is characterized by a southward
interplanetary geomagnetic field lasting for about 30 h below
-10 nT. In this work, multiple instrumental observations,
including electron density from ionosondes, total electron
content (TEC) from Global Positioning System, Jason-2, and
Gravity Recovery and Climate Experiment, and the topside ion
concentration observed by the Defense Meteorological Satellite
Program spacecraft are used to comprehensively present the
regional differences of the ionospheric response to this event.
In the Asian-Australian sector, an intensive negative storm is
detected near longitude 120{\textdegree}E on 16 July, and in the
topside ionosphere the negative phase is mainly existed in the
equatorial region. The topside and bottomside TEC contribute
equally to the depletion in TEC, and the disturbed electric
fields make a reasonable contribution. On 15 July, the positive
storm effects are stronger in the Eastside than in the Westside.
The topside TEC make a major contribution to the enhancement in
TEC for the positive phases, showing the important role of the
equatorward neutral winds. For the American sector, the
equatorial ionization anomaly intensification is stronger in the
Westside than in the Eastside and shows the strongest feature in
the longitude 110{\textdegree}W. The combined effects of the
disturbed electric fields, composition disturbances, and neutral
winds cause the complex storm time features. Both the topside
ion concentrations and TEC reveal the remarkable hemispheric
asymmetry, which is mainly resulted from the asymmetry in
neutral winds and composition disturbances.}",
doi = {10.1002/2016JA023844},
adsurl = {https://ui.adsabs.harvard.edu/abs/2017JGRA..122.4654K},
adsnote = {Provided by the SAO/NASA Astrophysics Data System}
}
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