The influence of electron precipitation on the outer electron radiation belt position

Мұқаба

Дәйексөз келтіру

Толық мәтін

Ашық рұқсат Ашық рұқсат
Рұқсат жабық Рұқсат берілді
Рұқсат жабық Рұқсат ақылы немесе тек жазылушылар үшін

Аннотация

Variations of the trapped and precipitating electron fluxes of the Earth's outer radiation belt during November 6–13, 2015, were considered. Numerous substorms during the main phase and during the prolonged recovery phase of the moderate magnetic storm on November 6, 2015, led to multiple particle injections into the inner magnetosphere. The profiles of the outer radiation belt for energetic electrons (with energies above 0.1, 0.3 and 2 MeV) were reconstructed from the Van Allen Probes-A measurements in the pre–noon and in the evening MLT sectors. The use of data of electron fluxes in the orbits of the polar satellites Meteor-M2, POES18 and POES19 allowed us to determine the areas of precipitation in all MLT sectors. It is shown that electron precipitation events are not local process. During the main phase of the storm and during the periods of substorm activations, energetic electron precipitation events with energy above 0.1 MeV occur in all local times and at distances from L ~ 3.5 to L ~ 8. In the pre–noon sector, precipitation events are observed at more distant L-shells than in the evening sector, this fact indicates different types of wave activity, which lead to the scattering of particles in these areas. Energetic electron precipitation in both the pre–noon and evening sectors causes electron losses mainly in the outer areas of the belt, it leads to a shift of the belt maximum inward.

Авторлар туралы

V. Kalegaev

Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow University; Faculty of Physics, Lomonosov Moscow State University

Moscow, Russia; Moscow, Russia

A. Ivanova

Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow University; Faculty of Physics, Lomonosov Moscow State University

Email: ivanova.ar20@physics.msu.ru
Moscow, Russia; Moscow, Russia

D. Gruzdov

Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow University; Faculty of Physics, Lomonosov Moscow State University

Moscow, Russia; Moscow, Russia

N. Vlasova

Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow University

Moscow, Russia

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