Concept information
Término preferido
substorm
Definición
- A substorm, sometimes referred to as a magnetospheric substorm or an auroral substorm, is a brief disturbance in the Earth's magnetosphere that causes energy to be released from the "tail" of the magnetosphere and injected into the high latitude ionosphere. Visually, a substorm is seen as a sudden brightening and increased movement of auroral arcs. Substorms were first described in qualitative terms by Kristian Birkeland which he called polar elementary storms. Sydney Chapman used the term substorm about 1960 which is now the standard term. The morphology of aurora during a substorm was first described by Syun-Ichi Akasofu in 1964 using data collected during the International Geophysical Year. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Substorm)
Concepto genérico
Etiquetas alternativas
- auroral breakup
- auroral substorm
- magnetospheric substorm
En otras lenguas
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francés
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perturbation aurorale
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sous-orage auroral
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sous-orage magnétosphérique
URI
http://data.loterre.fr/ark:/67375/MDL-KJ537PB8-C
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