The Ionospheric Bubble Index deduced from magnetic field and plasma observations onboard Swarm

In the post-sunset tropical ionospheric F-region plasma density often exhibits depletions, which are usually called equatorial plasma bubbles (EPBs). In this paper we give an overview of the Swarm Level 2 Ionospheric Bubble Index (IBI), which is a standard scientific data of the Swarm mission. This...

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Bibliographic Details
Published in:Earth, planets, and space Vol. 65; no. 11; pp. 1333 - 1344
Main Authors: Park, Jaeheung, Noja, Max, Stolle, Claudia, Lühr, Hermann
Format: Journal Article
Language:English
Published: Berlin/Heidelberg Springer Berlin Heidelberg 01.11.2013
Springer Nature B.V
Subjects:
Earth and Environmental Science
Earth Sciences
Geology
Geomagnetic field
Geophysics/Geodesy
Magnetic fields
equatorial ionosphere
topside ionosphere
Plasma irregularity
ISSN:1343-8832, 1880-5981
Online Access:Get full text
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Summary:In the post-sunset tropical ionospheric F-region plasma density often exhibits depletions, which are usually called equatorial plasma bubbles (EPBs). In this paper we give an overview of the Swarm Level 2 Ionospheric Bubble Index (IBI), which is a standard scientific data of the Swarm mission. This product called L2-IBI is generated from magnetic field and plasma observations onboard Swarm , and gives information as to whether a Swarm magnetic field observation is affected by EPBs. We validate the performance of the L2-IBI product by using magnetic field and plasma measurements from the CHAMP satellite, which provided observations similar to those of the Swarm . The L2-IBI product is of interest not only for ionospheric studies, but also for geomagnetic field modeling; modelers can de-select magnetic data which are affected by EPBs or other unphysical artifacts.
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ISSN:1343-8832
1880-5981
DOI:10.5047/eps.2013.08.005