YaBeSH Engineering and Technology Library

    • Journals
    • PaperQuest
    • YSE Standards
    • YaBeSH
    • Login
    View Item 
    •   YE&T Library
    • AMS
    • Journal of Hydrometeorology
    • View Item
    •   YE&T Library
    • AMS
    • Journal of Hydrometeorology
    • View Item
    • All Fields
    • Source Title
    • Year
    • Publisher
    • Title
    • Subject
    • Author
    • DOI
    • ISBN
    Advanced Search
    JavaScript is disabled for your browser. Some features of this site may not work without it.

    Archive

    Generation of High-Resolution Rain Fields in West Africa: Evaluation of Dynamic Interpolation Methods

    Source: Journal of Hydrometeorology:;2011:;Volume( 012 ):;issue: 006::page 1465
    Author:
    Vischel, T.
    ,
    Quantin, G.
    ,
    Lebel, T.
    ,
    Viarre, J.
    ,
    Gosset, M.
    ,
    Cazenave, F.
    ,
    Panthou, G.
    DOI: 10.1175/JHM-D-10-05015.1
    Publisher: American Meteorological Society
    Abstract: igh-resolution rain fields are a prerequisite to many hydrometeorological studies. For some applications, the required resolution may be as fine as 1 km in space and 5 min in time. At these scales, rainfall is strongly intermittent, variable in space, and correlated in time because of the propagation of the rainy systems. This paper compares two interpolation approaches to generate high-resolution rain fields from rain gauge measurements: (i) a classic interpolation technique that consists in interpolating independently the rain intensities at each time step (Eulerian kriging) and (ii) a simple dynamic interpolation technique that incorporates the propagation of the rainy systems (Lagrangian kriging). For this latter approach, three propagation models are tested. The different interpolation techniques are evaluated over three climatically contrasted areas in West Africa where a multiyear 5-min rainfall dataset has been collected during the African Monsoon Multidisciplinary Analyses (AMMA) campaigns. The dynamic interpolation technique is shown to perform better than the classic approach for a majority of the rainy events. The performances of the three propagation models differ from one another, depending on the evaluation criteria used. One of them provides a satisfactory time of arrival of rainfall but slightly smooths the rain intensities. The two others reproduce well the rain intensities, but the time of arrival of the rain is sometimes delayed. The choice of an appropriate propagation algorithm will thus depend on the operational objectives underlying the rain field generation.
    • Download: (3.215Mb)
    • Show Full MetaData Hide Full MetaData
    • Item Order
    • Go To Publisher
    • Price: 5000 Rial
    • Statistics

      Generation of High-Resolution Rain Fields in West Africa: Evaluation of Dynamic Interpolation Methods

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/4224673
    Collections
    • Journal of Hydrometeorology

    Show full item record

    contributor authorVischel, T.
    contributor authorQuantin, G.
    contributor authorLebel, T.
    contributor authorViarre, J.
    contributor authorGosset, M.
    contributor authorCazenave, F.
    contributor authorPanthou, G.
    date accessioned2017-06-09T17:14:22Z
    date available2017-06-09T17:14:22Z
    date copyright2011/12/01
    date issued2011
    identifier issn1525-755X
    identifier otherams-81647.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4224673
    description abstractigh-resolution rain fields are a prerequisite to many hydrometeorological studies. For some applications, the required resolution may be as fine as 1 km in space and 5 min in time. At these scales, rainfall is strongly intermittent, variable in space, and correlated in time because of the propagation of the rainy systems. This paper compares two interpolation approaches to generate high-resolution rain fields from rain gauge measurements: (i) a classic interpolation technique that consists in interpolating independently the rain intensities at each time step (Eulerian kriging) and (ii) a simple dynamic interpolation technique that incorporates the propagation of the rainy systems (Lagrangian kriging). For this latter approach, three propagation models are tested. The different interpolation techniques are evaluated over three climatically contrasted areas in West Africa where a multiyear 5-min rainfall dataset has been collected during the African Monsoon Multidisciplinary Analyses (AMMA) campaigns. The dynamic interpolation technique is shown to perform better than the classic approach for a majority of the rainy events. The performances of the three propagation models differ from one another, depending on the evaluation criteria used. One of them provides a satisfactory time of arrival of rainfall but slightly smooths the rain intensities. The two others reproduce well the rain intensities, but the time of arrival of the rain is sometimes delayed. The choice of an appropriate propagation algorithm will thus depend on the operational objectives underlying the rain field generation.
    publisherAmerican Meteorological Society
    titleGeneration of High-Resolution Rain Fields in West Africa: Evaluation of Dynamic Interpolation Methods
    typeJournal Paper
    journal volume12
    journal issue6
    journal titleJournal of Hydrometeorology
    identifier doi10.1175/JHM-D-10-05015.1
    journal fristpage1465
    journal lastpage1482
    treeJournal of Hydrometeorology:;2011:;Volume( 012 ):;issue: 006
    contenttypeFulltext
    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
    yabeshDSpacePersian
     
    DSpace software copyright © 2002-2015  DuraSpace
    نرم افزار کتابخانه دیجیتال "دی اسپیس" فارسی شده توسط یابش برای کتابخانه های ایرانی | تماس با یابش
    yabeshDSpacePersian