NDLI: Equatorial and low latitude ionospheric effects during sudden stratospheric warming events

Content Provider	IEEE Xplore Digital Library
Author	Chau, J.L. Goncharenko, L.P. Fejer, B.G. Li, H.L.
Copyright Year	2011
Description	Author affiliation: Center for Atmospheric and Space Sciences, Utah State University, Logan, UT (Fejer, B.G.) \|\| Radio Observatorio de Jicamarca, Insituto Geofísico del Perú, Lima (Chau, J.L.) \|\| High Altitude Observatory, National Center for Atmospheric Research, Boulder, Co (Li, H.L.) \|\| Massachusetts Institute of Technology, Haystack Observatory, Westford, MA (Goncharenko, L.P.)
Abstract	The sources of ionospheric forcing are from above (solar and magnetospheric forces), internal (chemistry, local neutral dynamics), and from below (lower atmosphere). In this work we review the observed ion-neutral coupling effects at equatorial and low latitudes during large meteorological events called sudden stratospheric warming (SSW). Research in this direction has been accelerated in recent years mainly due to: (1) extensive observing campaigns, and (2) solar minimum conditions. The former has been instrumental to catch the events before, during, and after the peak SSW temperatures. The latter has permitted a reduced forcing contribution from above and internal. The main ionospheric effects are clearly observed in the zonal electric fields (or vertical E×B drifts), total electron content, and peak electron densities. We include results from different ground- and satellite-based observations, covering different longitudes and years. We also present and discuss the modeling efforts that support most of the observations. Given that SSW can be forecast with a few days in advanced, there is potential for using the connection with the ionosphere for forecasting the occurrence and evolution of electrodynamic perturbations at low latitudes, and sometimes mid latitudes, during arctic winter warmings.
Starting Page	1
Ending Page	1
File Size	111112
Page Count	1
File Format	PDF
ISBN	9781424451173
e-ISBN	9781424460519
DOI	10.1109/URSIGASS.2011.6050931
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-08-13
Publisher Place	Turkey
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Couplings Electrodynamics Electric potential Observatories Instruments Magnetosphere
Content Type	Text
Resource Type	Article

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