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    Treatment of Undercanopy Turbulence in Land Models

    Source: Journal of Climate:;2005:;volume( 018 ):;issue: 023::page 5086
    Author:
    Zeng, Xubin
    ,
    Barlage, Michael
    ,
    Dickinson, Robert E.
    ,
    Dai, Yongjiu
    ,
    Wang, Guiling
    ,
    Oleson, Keith
    DOI: 10.1175/JCLI3595.1
    Publisher: American Meteorological Society
    Abstract: In arid and semiarid regions most of the solar radiation penetrates through the canopy and reaches the ground, and hence the turbulent exchange coefficient under canopy Cs becomes important. The use of a constant Cs that is only appropriate for thick canopies is found to be primarily responsible for the excessive warm bias of around 10 K in monthly mean ground temperature over these regions in version 2 of the Community Climate System Model (CCSM2). New Cs formulations are developed for the consistent treatment of undercanopy turbulence for both thick and thin canopies in land models, and provide a preliminary solution of this problem.
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      Treatment of Undercanopy Turbulence in Land Models

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    http://yetl.yabesh.ir/yetl1/handle/yetl/4220696
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    contributor authorZeng, Xubin
    contributor authorBarlage, Michael
    contributor authorDickinson, Robert E.
    contributor authorDai, Yongjiu
    contributor authorWang, Guiling
    contributor authorOleson, Keith
    date accessioned2017-06-09T17:01:18Z
    date available2017-06-09T17:01:18Z
    date copyright2005/12/01
    date issued2005
    identifier issn0894-8755
    identifier otherams-78068.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4220696
    description abstractIn arid and semiarid regions most of the solar radiation penetrates through the canopy and reaches the ground, and hence the turbulent exchange coefficient under canopy Cs becomes important. The use of a constant Cs that is only appropriate for thick canopies is found to be primarily responsible for the excessive warm bias of around 10 K in monthly mean ground temperature over these regions in version 2 of the Community Climate System Model (CCSM2). New Cs formulations are developed for the consistent treatment of undercanopy turbulence for both thick and thin canopies in land models, and provide a preliminary solution of this problem.
    publisherAmerican Meteorological Society
    titleTreatment of Undercanopy Turbulence in Land Models
    typeJournal Paper
    journal volume18
    journal issue23
    journal titleJournal of Climate
    identifier doi10.1175/JCLI3595.1
    journal fristpage5086
    journal lastpage5094
    treeJournal of Climate:;2005:;volume( 018 ):;issue: 023
    contenttypeFulltext
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    DSpace software copyright © 2002-2015  DuraSpace
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    yabeshDSpacePersian