Dispersion in Broad, Shallow Estuaries: A Model Study

机译：广阔浅浅河口的分散：模型研究

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Specifically, this report covers the following subjects: (1) a comparative modelstudy of Barataria Basin, Louisiana, to delineate the role of wind forcing on flushing dispersion characteristics, (2) an enhancement of the two-dimensional depth-integrated hydrodynamic model to include baroclinic pressure gradient; (3) the preliminary results of the first field deployment in Terrebonne Bay to measure currents and suspended sediments. The purpose of the field deployment is to document the role of waves and currents on sediment resuspension and eventually allow development and calibration of a suspended sediment module to be coupled to the hydrodynamic model. Significant role of wind forcing on flushing and dispersion characteristics of Barataria Basin is clearly demonstrated for the typical summer condition investigated. Flushing times for various subbasins were shorter by 20-40% under wind forced conditions compared to without wind. The impact of wind forcing becomes more prominent where the tidal energy is higher and the local geomorphology is complex. An accurate advection scheme is employed for advective transport of temperature and salinity.

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作者
Inoue, M.; Wiseman, W. J.; Park, D.; Justic, D.; Stone, G.;
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年度 2001
页码 1-76
总页数 76
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Estuaries; Dispersion; Hydrodynamics; Two-dimensional models; Sediments; Pressuregradients; Calibration; Deployment; Water levels; Tidal currents; Aquatic ecology; Louisiana; Wind velocity; Lakes; Bays; Basins; Salinity;

机译：河口;分散;流体动力学;二维模型;沉积物;压力梯度;校准;部署;水位;潮汐流;水生态;路易斯安那州;风速;湖泊;海湾;盆地;盐度;

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Dispersion in Broad, Shallow Estuaries: A Model Study

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