Millimeter wave scattering from capped columns and bullet rosettes

T. M. Walsh, Kultegin Aydin

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    Abstract

    It is of interest to determine the information that may be obtained from polarimetric radars on cloud ice crystals, which naturally have a large variety of shapes and sizes. Measurements within continental convective clouds showed that 90% of the first ice crystals were double plate crystals. The scattering parameters of the crystal from double plate showed the most dramatic differences at the 94 and 220 GHz as a result of shape and resonance scattering effects. At 220 GHZ, linear depolarization ratio has a peak while differential reflectivity and copolarized correlation coefficient have a minima between elevation angles of 50° and 60°. At 94 GHz, the parameters either increase or decrease monotonically.

    Original languageEnglish (US)
    Title of host publicationConference on Radar Meteorology
    Editors Anon
    PublisherAmerican Meteorological Soc
    Pages292-293
    Number of pages2
    StatePublished - 1997
    EventProceedings of the 1997 28th Conference on Radar Meteorology - Austin, TX, USA
    Duration: Sep 7 1997Sep 12 1997

    Other

    OtherProceedings of the 1997 28th Conference on Radar Meteorology
    CityAustin, TX, USA
    Period9/7/979/12/97

    Fingerprint

    wave scattering
    ice crystal
    Millimeter waves
    scattering
    Scattering
    crystal
    Crystals
    convective cloud
    reflectivity
    Ice
    Depolarization
    Scattering parameters
    parameter
    effect

    All Science Journal Classification (ASJC) codes

    • Atmospheric Science
    • Electrical and Electronic Engineering

    Cite this

    Walsh, T. M., & Aydin, K. (1997). Millimeter wave scattering from capped columns and bullet rosettes. In Anon (Ed.), Conference on Radar Meteorology (pp. 292-293). American Meteorological Soc.
    Walsh, T. M. ; Aydin, Kultegin. / Millimeter wave scattering from capped columns and bullet rosettes. Conference on Radar Meteorology. editor / Anon. American Meteorological Soc, 1997. pp. 292-293
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    title = "Millimeter wave scattering from capped columns and bullet rosettes",
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    author = "Walsh, {T. M.} and Kultegin Aydin",
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    language = "English (US)",
    pages = "292--293",
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    booktitle = "Conference on Radar Meteorology",
    publisher = "American Meteorological Soc",

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    Walsh, TM & Aydin, K 1997, Millimeter wave scattering from capped columns and bullet rosettes. in Anon (ed.), Conference on Radar Meteorology. American Meteorological Soc, pp. 292-293, Proceedings of the 1997 28th Conference on Radar Meteorology, Austin, TX, USA, 9/7/97.

    Millimeter wave scattering from capped columns and bullet rosettes. / Walsh, T. M.; Aydin, Kultegin.

    Conference on Radar Meteorology. ed. / Anon. American Meteorological Soc, 1997. p. 292-293.

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

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    N2 - It is of interest to determine the information that may be obtained from polarimetric radars on cloud ice crystals, which naturally have a large variety of shapes and sizes. Measurements within continental convective clouds showed that 90% of the first ice crystals were double plate crystals. The scattering parameters of the crystal from double plate showed the most dramatic differences at the 94 and 220 GHz as a result of shape and resonance scattering effects. At 220 GHZ, linear depolarization ratio has a peak while differential reflectivity and copolarized correlation coefficient have a minima between elevation angles of 50° and 60°. At 94 GHz, the parameters either increase or decrease monotonically.

    AB - It is of interest to determine the information that may be obtained from polarimetric radars on cloud ice crystals, which naturally have a large variety of shapes and sizes. Measurements within continental convective clouds showed that 90% of the first ice crystals were double plate crystals. The scattering parameters of the crystal from double plate showed the most dramatic differences at the 94 and 220 GHz as a result of shape and resonance scattering effects. At 220 GHZ, linear depolarization ratio has a peak while differential reflectivity and copolarized correlation coefficient have a minima between elevation angles of 50° and 60°. At 94 GHz, the parameters either increase or decrease monotonically.

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    Walsh TM, Aydin K. Millimeter wave scattering from capped columns and bullet rosettes. In Anon, editor, Conference on Radar Meteorology. American Meteorological Soc. 1997. p. 292-293