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    Application of the GWR Method to the Tropical Indian Ocean

    Source: Monthly Weather Review:;2001:;volume( 129 ):;issue: 003::page 470
    Author:
    Jensen, Tommy G.
    DOI: 10.1175/1520-0493(2001)129<0470:AOTGMT>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: The gravity wave retardation (GWR) method is a simple technique that allows layer models to include bottom topography. Here the method is applied, and its accuracy is evaluated, for monthly climatological wind forcing in an Indian Ocean model with realistic bottom topography. This is an extension of previous studies where the GWR method was applied to idealized wind forcing in oceans with idealized basin geometry. Comparison to a model integration with a flat bottom demonstrates that GWR integrations with speedup factors of up to 16 indeed capture the influence of the bottom relief and have less error in the deep volume transports. For a speedup factor of that magnitude, a GWR integration is also found to have less error than a reduced gravity model simulation. It is concluded that integrations using the GWR method give remarkably good results for the upper-layer circulation as well as the deep flow with a speedup factor of up to 8.
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      Application of the GWR Method to the Tropical Indian Ocean

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/4204715
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    • Monthly Weather Review

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    contributor authorJensen, Tommy G.
    date accessioned2017-06-09T16:13:32Z
    date available2017-06-09T16:13:32Z
    date copyright2001/03/01
    date issued2001
    identifier issn0027-0644
    identifier otherams-63685.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4204715
    description abstractThe gravity wave retardation (GWR) method is a simple technique that allows layer models to include bottom topography. Here the method is applied, and its accuracy is evaluated, for monthly climatological wind forcing in an Indian Ocean model with realistic bottom topography. This is an extension of previous studies where the GWR method was applied to idealized wind forcing in oceans with idealized basin geometry. Comparison to a model integration with a flat bottom demonstrates that GWR integrations with speedup factors of up to 16 indeed capture the influence of the bottom relief and have less error in the deep volume transports. For a speedup factor of that magnitude, a GWR integration is also found to have less error than a reduced gravity model simulation. It is concluded that integrations using the GWR method give remarkably good results for the upper-layer circulation as well as the deep flow with a speedup factor of up to 8.
    publisherAmerican Meteorological Society
    titleApplication of the GWR Method to the Tropical Indian Ocean
    typeJournal Paper
    journal volume129
    journal issue3
    journal titleMonthly Weather Review
    identifier doi10.1175/1520-0493(2001)129<0470:AOTGMT>2.0.CO;2
    journal fristpage470
    journal lastpage485
    treeMonthly Weather Review:;2001:;volume( 129 ):;issue: 003
    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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