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Chapter
ESA Field-Aligned Currents—Methodology Inter-comparison Exercise
Various ESA projects and several proposals to first Swarm DISC Call for Ideas (May 2016) suggested possible evolution for the current Swarm Level 2 FAC products, and the implementation of quality flags for the...
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Article
Magnetic Field Data Correction in Space for Modelling the Lithospheric Magnetic Field
The Earth’s magnetic field as it is measured by low-Earth orbit satellites such as Swarm and CHAMP results from the superposition of internal and external source fields overlap** in time and in space. The Earth...
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Article
On the Usage of Geomagnetic Indices for Data Selection in Internal Field Modelling
We present a review on geomagnetic indices describing global geomagnetic storm activity (Kp, am, Dst and dDst/dt) and on indices designed to characterize high latitude currents and substorms (PC and AE-indices an...
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Article
Isolated nighttime substorms and morning geomagnetic Pc5 pulsations from ground-based and satellite (THEMIS) observations
The analysis results of a complex of phenomena that were develo** in the evening and morning magnetospheric and ionospheric sectors during two events (January 18 and February 19, 2008) are presented. The ana...
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Article
Alfvén: magnetosphere—ionosphere connection explorers
The aurorae are dynamic, luminous displays that grace the night skies of Earth’s high latitude regions. The solar wind emanating from the Sun is their ultimate energy source, but the chain of plasma physical p...
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Article
Afternoon Pc5 geomagnetic pulsations on the Earth’s surface and in the ionosphere (STARE radars)
Two cases when Pc5 geomagnetic pulsations were registered at the IMAGE Scandinavian network of stations and with STARE radars in the afternoon sector (1700–1800 MLT) during the recovery phase of the moderate m...
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Article
Ionospheric Signatures Of Bursty Bulk Flows
While the plasma convection in the Earth's magnetosphere was for a long timeconsidered to consist mostly of laminar flows with wide spatial extents, about adecade ago the phenomenon of bursty bulk flows (BBFs)...
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Article
Characteristics of a stable are based on FAST and MIRACLE observations
A stable evening sector are is studied using observations from the FAST satellite at 1250 km altitude and the MIRACLE ground-based network, which contains all-sky cameras, coherent radars (STARE), and magnetom...
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Article
Auroral precipitation fading before and at substorm onset: ionospheric and geostationary signatures
Rapid fading of auroral activity a few minutes before substorm breakup has earlier been analyzed in case-studies. Here we report on a study in which all-sky camera (ASC) and magnetic data over 3 years were exa...
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Article
What can we tell about global auroral-electrojet activity from a single meridional magnetometer chain?
The AE indices are generally used for monitoring the level of magnetic activity in the auroral oval region. In some cases, however, the oval is either so expanded or contracted that the latitudinal coverage of th...