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    Application of a Monotonic Upstream-biased Transport Scheme to Three-Dimensional Constituent Transport Calculations

    Source: Monthly Weather Review:;1991:;volume( 119 ):;issue: 010::page 2456
    Author:
    Allen, Dale J.
    ,
    Douglass, Anne R.
    ,
    Rood, Richard B.
    ,
    Guthrie, Paul D.
    DOI: 10.1175/1520-0493(1991)119<2456:AOAMUB>2.0.CO;2
    Publisher: American Meteorological Society
    Abstract: The application of van Leer's scheme, a monotonic, upstream-biased differencing scheme, to three-dimensional constituent transport calculations is shown. The major disadvantage of the scheme is shown to be a self-limiting diffusion. A major advantage of the scheme is shown to be its ability to maintain constituent correlations. The scheme is adapted for a spherical coordinate system with a hybrid sigma-pressure coordinate in the vertical. Special consideration is given to cross-polar flow. The vertical wind calculation is shown to be extremely sensitive to the method of calculating the divergence. This sensitivity implies that a vertical wind formulation consistent with the transport scheme is essential for accurate transport calculations. The computational savings of the time-splitting method used to solve this equation are shown. Finally, the capabilities of this scheme are illustrated by an ozone transport and chemistry model simulation.
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      Application of a Monotonic Upstream-biased Transport Scheme to Three-Dimensional Constituent Transport Calculations

    URI
    http://yetl.yabesh.ir/yetl1/handle/yetl/4202681
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    • Monthly Weather Review

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    contributor authorAllen, Dale J.
    contributor authorDouglass, Anne R.
    contributor authorRood, Richard B.
    contributor authorGuthrie, Paul D.
    date accessioned2017-06-09T16:08:30Z
    date available2017-06-09T16:08:30Z
    date copyright1991/10/01
    date issued1991
    identifier issn0027-0644
    identifier otherams-61854.pdf
    identifier urihttp://onlinelibrary.yabesh.ir/handle/yetl/4202681
    description abstractThe application of van Leer's scheme, a monotonic, upstream-biased differencing scheme, to three-dimensional constituent transport calculations is shown. The major disadvantage of the scheme is shown to be a self-limiting diffusion. A major advantage of the scheme is shown to be its ability to maintain constituent correlations. The scheme is adapted for a spherical coordinate system with a hybrid sigma-pressure coordinate in the vertical. Special consideration is given to cross-polar flow. The vertical wind calculation is shown to be extremely sensitive to the method of calculating the divergence. This sensitivity implies that a vertical wind formulation consistent with the transport scheme is essential for accurate transport calculations. The computational savings of the time-splitting method used to solve this equation are shown. Finally, the capabilities of this scheme are illustrated by an ozone transport and chemistry model simulation.
    publisherAmerican Meteorological Society
    titleApplication of a Monotonic Upstream-biased Transport Scheme to Three-Dimensional Constituent Transport Calculations
    typeJournal Paper
    journal volume119
    journal issue10
    journal titleMonthly Weather Review
    identifier doi10.1175/1520-0493(1991)119<2456:AOAMUB>2.0.CO;2
    journal fristpage2456
    journal lastpage2464
    treeMonthly Weather Review:;1991:;volume( 119 ):;issue: 010
    contenttypeFulltext
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