Global variation of meteor trail plasma turbulence

L. P. Dyrud, Julio Urbina, J. T. Fentzke, E. Hibbit, J. Hinrichs

    Research output: Contribution to journalArticle

    5 Citations (Scopus)

    Abstract

    We present the first global simulations on the occurrence of meteor trail plasma irregularities. These results seek to answer the following questions: when a meteoroid disintegrates in the atmosphere, will the resulting trail become plasma turbulent? What are the factors influencing the development of turbulence? and how do these trails vary on a global scale? Understanding meteor trail plasma turbulence is important because turbulent meteor trails are visible as non-specular trails to coherent radars. Turbulence also influences the evolution of specular radar meteor trails; this fact is important for the inference of mesospheric temperatures from the trail diffusion rates, and their usage for meteor burst communication. We provide evidence of the significant effect that neutral atmospheric winds and ionospheric plasma density have on the variability of meteor trail evolution and on the observation of non-specular meteor trails. We demonstrate that trails are far less likely to become and remain turbulent in daylight, explaining several observational trends for non-specular and specular meteor trails.

    Original languageEnglish (US)
    Pages (from-to)2277-2286
    Number of pages10
    JournalAnnales Geophysicae
    Volume29
    Issue number12
    DOIs
    StatePublished - Dec 26 2011

    Fingerprint

    meteor trails
    plasma turbulence
    meteor
    turbulence
    plasma
    meteoroid showers
    meteoroids
    irregularities
    inference
    ionospherics
    plasma density
    radar
    occurrences
    trends
    atmospheres
    communication

    All Science Journal Classification (ASJC) codes

    • Astronomy and Astrophysics
    • Geology
    • Atmospheric Science
    • Earth and Planetary Sciences (miscellaneous)
    • Space and Planetary Science

    Cite this

    Dyrud, L. P., Urbina, J., Fentzke, J. T., Hibbit, E., & Hinrichs, J. (2011). Global variation of meteor trail plasma turbulence. Annales Geophysicae, 29(12), 2277-2286. https://doi.org/10.5194/angeo-29-2277-2011
    Dyrud, L. P. ; Urbina, Julio ; Fentzke, J. T. ; Hibbit, E. ; Hinrichs, J. / Global variation of meteor trail plasma turbulence. In: Annales Geophysicae. 2011 ; Vol. 29, No. 12. pp. 2277-2286.
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    Dyrud, LP, Urbina, J, Fentzke, JT, Hibbit, E & Hinrichs, J 2011, 'Global variation of meteor trail plasma turbulence', Annales Geophysicae, vol. 29, no. 12, pp. 2277-2286. https://doi.org/10.5194/angeo-29-2277-2011

    Global variation of meteor trail plasma turbulence. / Dyrud, L. P.; Urbina, Julio; Fentzke, J. T.; Hibbit, E.; Hinrichs, J.

    In: Annales Geophysicae, Vol. 29, No. 12, 26.12.2011, p. 2277-2286.

    Research output: Contribution to journalArticle

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