Growth phase of magnetospheric substorms
TL;DR: Magnetospheric substorms model modification for growth phase inclusion prior to explosive expansion phase was proposed in this article for the growth phase and the expansion phase, respectively, and the model was modified for the exponential expansion phase.
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Abstract: Magnetospheric substorms model modification for growth phase inclusion prior to explosive expansion phase
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Dynamics and variability of the plasmasphere observed from synchronous orbit
Mark B. Moldwin,M. F. Thomsen,David J. McComas,Geoff Reeves +3 more
- 12 May 2008
TL;DR: In this article, the behavior of the cold ions in the outer plasmasphere is studied using data obtained with the magnetospheric plasma analyzers from multiple geosynchronous satellites, and the authors conclude that the appearance of these short-duration, cold-plasma intervals is due to a reconfiguration of the duskside magnetosphere during geomagnetic substorms.
•Journal Article
Lower-thermospheric wind variations in auroral patches during the substorm recovery phase
Shin-ichiro Oyama,Kazuo Shiokawa,Yoshizumi Miyoshi,Keisuke Hosokawa,Brenton Watkins,Junichi Kurihara,Takuo T. Tsuda,Christopher T. Fallen +7 more
TL;DR: In this article, a detailed investigation of the magnetosphere-ionosphere-thermosphere coupled system at the substorm recovery phase using comprehensive data sets of solar wind, geomagnetic field, auroral pattern, and FPI-derived wind was performed.
1
The Ionospheric Leg of the Substorm Current Wedge: Combining Iridium and Ground Magnetometers
Simon James Walker,K. M. Laundal,Jone Peter Reistad,Spencer Hatch,Anders Ohma,J. W. Gjerloev +5 more
TL;DR: Researchers combine Iridium satellite and ground magnetometer data to study the ionospheric leg of the substorm current wedge, finding that ground-based field-aligned currents are a poor proxy for actual FACs and that ionospheric conductance enhancements can alter westward electrojet intensification.
1
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TL;DR: In this article, the authors investigated the low-energy electron population in the magnetosphere within the local time range ∼17 to ∼22 hours using the OGO 1 satellite and OGO 3.
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TL;DR: In this paper, a working model of simultaneous auroral activity over the entire polar region is presented in terms of the auroral substorm, which has two characteristic phases, an expansive phase and a recovery phase.
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The polar electrojet.
TL;DR: Polar electrojet causing magnetic substorms in high latitudes flows westward along closed oval curve and is connected with auroral activity and outer radiation belt as discussed by the authors, which is the most common source of magnetic activity.
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A study of polar magnetic substorms
Syun-Ichi Akasofu,C. I. Meng +1 more
TL;DR: Three dimensional current systems constructed semiquantitatively for polar magnetic substorms based on magnetic field distribution on earth surface were constructed in this paper for the purpose of constructing a three dimensional current system.
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