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首页> 外文会议>Western Dredging Association Twenty-Second Technical Conference, Thirty-Fourth Texas Aamp;M Dredging Seminar, and Special Permanent International Association of Navigational Congresses Session, Jun 12-15, 2002, Denver, Colorado >CALIBRATION OF MECHANISTIC MODELS FOR ESTIMATING SEDIMENT LOSSES DURING BUCKET DREDGING OPERATIONS
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CALIBRATION OF MECHANISTIC MODELS FOR ESTIMATING SEDIMENT LOSSES DURING BUCKET DREDGING OPERATIONS

机译：铲斗挖泥作业过程中估算沉积物损失的力学模型的校准

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摘要

The modeling of the total suspended solids (TSS) that are resuspended as a result of bucket dredging operation requires accurate estimations of the sediment loss rates during the specific phases of dredging. Borrowman (2001) provides the framework for a dynamic, three-dimensional water quality model to this end, however the specifics of sediment loss rate calibration were not directly addressed. Methods for the determination of all of the required parameters for the dynamic source strength model are developed in this paper. These parameters are discussed with specific regard to a study performed in Boston Harbor (1999). The data acquired from that study were used for preliminary calibration of the dynamic source model, and model results were compared to field TSS measurements. An adequate agreement was observed between model results and the field data. The information regarding field data, as well as the quantity of samples, was limited, leaving recommendations of increased sampling and parameter measurement for total model validation.
机译：由于铲斗挖泥作业而被重悬的总悬浮固体（TSS）的模型要求在挖泥的特定阶段准确估算沉积物的流失率。 Borrowman（2001）为此目的提供了一个动态的三维水质模型的框架，但是没有直接解决沉积物流失速率校准的细节。本文提出了确定动态源强度模型所有必需参数的方法。专门针对在Boston Harbor（1999）中进行的研究讨论了这些参数。从该研究中获得的数据用于动态源模型的初步校准，并将模型结果与现场TSS测量进行比较。在模型结果和现场数据之间观察到足够的一致性。有关现场数据以及样品数量的信息是有限的，因此建议增加采样和参数测量以进行总体模型验证。

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