Dynamics of solar protons in the earth's magnetosphere during magnetic storms in November 2004-January 2005

L. L. Lazutin, Yu V. Gotselyuk, E. A. Murav'eva, I. N. Myagkova, M. I. Panasyuk, L. I. Starostin, B. Yu Yushkov, K. Kudela, Nobuyuki Hasebe, K. Sukurai, M. Hareyama

    Research output: Contribution to journalArticle

    11 Citations (Scopus)

    Abstract

    The processes of penetration, trapping, and acceleration of solar protons in the Earth's magneto-sphere during magnetic storms in November 2004 and January 2005 are studied based on the energetic particle measurements on the CORONAS-F and SERVIS-1 satellites. Acceleration of protons by 1-2 orders of magnitude was observed after trapping of solar protons with an energy of 1-15 MeV during the recovery phase of the magnetic storm of November 7-8, 2004. This acceleration was accompanied by an earthward shift of the particle flux maximum for several days, during which the series of magnetic storms continued. The process of relativistic electron acceleration proceeded simultaneously and according to a similar scenario including acceleration of protons. At the end of this period, the intensification was terminated by the process of precipitation, and a new proton belt split with the formation of two maximums at L ~ 2 and 3. In the January 2005 series of moderate storms, solar protons were trapped at L = 3. 7 during the storm of January 17-18. However, during the magnetic storm of January 21, these particles fell in the zone of quasi-trapping, or precipitated into the atmosphere, or died in the magnetosheath. At the same time, the belts that were formed in November at L ~ 2 and 3 remained unchanged. Transformations of the proton (and electron) belts during strong magnetic storms change the intensity and structure of belts for a long time. Thus, the consequences of changes during the July 2004 storm did not disappear until November disturbances.

    Original languageEnglish
    Pages (from-to)168-180
    Number of pages13
    JournalGeomagnetism and Aeronomy
    Volume50
    Issue number2
    DOIs
    Publication statusPublished - 2010 Apr

    Fingerprint

    solar protons
    Earth magnetosphere
    magnetic storms
    magnetosphere
    trapping
    protons
    proton belts
    magnetosheath
    electron acceleration
    energetic particles
    flux (rate)
    disturbances
    electron
    penetration
    recovery
    atmospheres
    shift
    energetics
    disturbance
    electrons

    ASJC Scopus subject areas

    • Geophysics
    • Space and Planetary Science

    Cite this

    Lazutin, L. L., Gotselyuk, Y. V., Murav'eva, E. A., Myagkova, I. N., Panasyuk, M. I., Starostin, L. I., ... Hareyama, M. (2010). Dynamics of solar protons in the earth's magnetosphere during magnetic storms in November 2004-January 2005. Geomagnetism and Aeronomy, 50(2), 168-180. https://doi.org/10.1134/S0016793210020040

    Dynamics of solar protons in the earth's magnetosphere during magnetic storms in November 2004-January 2005. / Lazutin, L. L.; Gotselyuk, Yu V.; Murav'eva, E. A.; Myagkova, I. N.; Panasyuk, M. I.; Starostin, L. I.; Yushkov, B. Yu; Kudela, K.; Hasebe, Nobuyuki; Sukurai, K.; Hareyama, M.

    In: Geomagnetism and Aeronomy, Vol. 50, No. 2, 04.2010, p. 168-180.

    Research output: Contribution to journalArticle

    Lazutin, LL, Gotselyuk, YV, Murav'eva, EA, Myagkova, IN, Panasyuk, MI, Starostin, LI, Yushkov, BY, Kudela, K, Hasebe, N, Sukurai, K & Hareyama, M 2010, 'Dynamics of solar protons in the earth's magnetosphere during magnetic storms in November 2004-January 2005', Geomagnetism and Aeronomy, vol. 50, no. 2, pp. 168-180. https://doi.org/10.1134/S0016793210020040
    Lazutin, L. L. ; Gotselyuk, Yu V. ; Murav'eva, E. A. ; Myagkova, I. N. ; Panasyuk, M. I. ; Starostin, L. I. ; Yushkov, B. Yu ; Kudela, K. ; Hasebe, Nobuyuki ; Sukurai, K. ; Hareyama, M. / Dynamics of solar protons in the earth's magnetosphere during magnetic storms in November 2004-January 2005. In: Geomagnetism and Aeronomy. 2010 ; Vol. 50, No. 2. pp. 168-180.
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    abstract = "The processes of penetration, trapping, and acceleration of solar protons in the Earth's magneto-sphere during magnetic storms in November 2004 and January 2005 are studied based on the energetic particle measurements on the CORONAS-F and SERVIS-1 satellites. Acceleration of protons by 1-2 orders of magnitude was observed after trapping of solar protons with an energy of 1-15 MeV during the recovery phase of the magnetic storm of November 7-8, 2004. This acceleration was accompanied by an earthward shift of the particle flux maximum for several days, during which the series of magnetic storms continued. The process of relativistic electron acceleration proceeded simultaneously and according to a similar scenario including acceleration of protons. At the end of this period, the intensification was terminated by the process of precipitation, and a new proton belt split with the formation of two maximums at L ~ 2 and 3. In the January 2005 series of moderate storms, solar protons were trapped at L = 3. 7 during the storm of January 17-18. However, during the magnetic storm of January 21, these particles fell in the zone of quasi-trapping, or precipitated into the atmosphere, or died in the magnetosheath. At the same time, the belts that were formed in November at L ~ 2 and 3 remained unchanged. Transformations of the proton (and electron) belts during strong magnetic storms change the intensity and structure of belts for a long time. Thus, the consequences of changes during the July 2004 storm did not disappear until November disturbances.",
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    AU - Myagkova, I. N.

    AU - Panasyuk, M. I.

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    AB - The processes of penetration, trapping, and acceleration of solar protons in the Earth's magneto-sphere during magnetic storms in November 2004 and January 2005 are studied based on the energetic particle measurements on the CORONAS-F and SERVIS-1 satellites. Acceleration of protons by 1-2 orders of magnitude was observed after trapping of solar protons with an energy of 1-15 MeV during the recovery phase of the magnetic storm of November 7-8, 2004. This acceleration was accompanied by an earthward shift of the particle flux maximum for several days, during which the series of magnetic storms continued. The process of relativistic electron acceleration proceeded simultaneously and according to a similar scenario including acceleration of protons. At the end of this period, the intensification was terminated by the process of precipitation, and a new proton belt split with the formation of two maximums at L ~ 2 and 3. In the January 2005 series of moderate storms, solar protons were trapped at L = 3. 7 during the storm of January 17-18. However, during the magnetic storm of January 21, these particles fell in the zone of quasi-trapping, or precipitated into the atmosphere, or died in the magnetosheath. At the same time, the belts that were formed in November at L ~ 2 and 3 remained unchanged. Transformations of the proton (and electron) belts during strong magnetic storms change the intensity and structure of belts for a long time. Thus, the consequences of changes during the July 2004 storm did not disappear until November disturbances.

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