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    Precipitation Classification and Quantification Using X-Band Dual-Polarization Weather Radar: Application in the Hydrometeorology Testbed

    Source: Journal of Atmospheric and Oceanic Technology:;2013:;volume( 030 ):;issue: 009::page 2108
    Author:
    Lim, S.
    ,
    Cifelli, R.
    ,
    Chandrasekar, V.
    ,
    Matrosov, S. Y.
    DOI: 10.1175/JTECH-D-12-00123.1
    Publisher: American Meteorological Society
    Abstract: his paper presents new methods for rainfall estimation from X-band dual-polarization radar observations along with advanced techniques for quality control, hydrometeor classification, and estimation of specific differential phase. Data collected from the Hydrometeorology Testbed (HMT) in orographic terrain of California are used to demonstrate the methodology. The quality control and hydrometeor classification are specifically developed for X-band applications, which use a ?fuzzy logic? technique constructed from the magnitude of the copolar correlation coefficient and the texture of differential propagation phase. In addition, an improved specific differential phase retrieval and rainfall estimation method are also applied. The specific differential phase estimation is done for both the melting region and rain region, where it uses a conventional filtering method for the melting region and a self-consistency-based method that distributes the total differential phase consistent with the reflectivity factor for the rain region. Based on the specific differential phase, rainfall estimations were computed using data obtained from the NOAA polarimetric X-band radar for hydrometeorology (HYDROX) and evaluated using HMT rain gauge observations. The results show that the methodology works well at capturing the high-frequency rainfall variations for the events analyzed herein and can be useful for mountainous terrain applications.
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      Precipitation Classification and Quantification Using X-Band Dual-Polarization Weather Radar: Application in the Hydrometeorology Testbed

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4228128
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    • Journal of Atmospheric and Oceanic Technology

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    contributor authorLim, S.
    contributor authorCifelli, R.
    contributor authorChandrasekar, V.
    contributor authorMatrosov, S. Y.
    date accessioned2017-06-09T17:24:44Z
    date available2017-06-09T17:24:44Z
    date copyright2013/09/01
    date issued2013
    identifier issn0739-0572
    identifier otherams-84757.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4228128
    description abstracthis paper presents new methods for rainfall estimation from X-band dual-polarization radar observations along with advanced techniques for quality control, hydrometeor classification, and estimation of specific differential phase. Data collected from the Hydrometeorology Testbed (HMT) in orographic terrain of California are used to demonstrate the methodology. The quality control and hydrometeor classification are specifically developed for X-band applications, which use a ?fuzzy logic? technique constructed from the magnitude of the copolar correlation coefficient and the texture of differential propagation phase. In addition, an improved specific differential phase retrieval and rainfall estimation method are also applied. The specific differential phase estimation is done for both the melting region and rain region, where it uses a conventional filtering method for the melting region and a self-consistency-based method that distributes the total differential phase consistent with the reflectivity factor for the rain region. Based on the specific differential phase, rainfall estimations were computed using data obtained from the NOAA polarimetric X-band radar for hydrometeorology (HYDROX) and evaluated using HMT rain gauge observations. The results show that the methodology works well at capturing the high-frequency rainfall variations for the events analyzed herein and can be useful for mountainous terrain applications.
    publisherAmerican Meteorological Society
    titlePrecipitation Classification and Quantification Using X-Band Dual-Polarization Weather Radar: Application in the Hydrometeorology Testbed
    typeJournal Paper
    journal volume30
    journal issue9
    journal titleJournal of Atmospheric and Oceanic Technology
    identifier doi10.1175/JTECH-D-12-00123.1
    journal fristpage2108
    journal lastpage2120
    treeJournal of Atmospheric and Oceanic Technology:;2013:;volume( 030 ):;issue: 009
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
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