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The prediction of far-field pollutant concentrations using residual currents

机译：利用剩余电流预测远场污染物浓度

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The conventional method used for solute transport modelling involves the application of the two-dimensional, finite difference model, DIVAST (Depth Integrated Velocity and Solute Transport) to a waterbody. The length of time required to run the model is directly proportional to the size of the study area, therefore, for large study areas the process is extremely time-consuming. Since the majority of the run-time is spent computing the hydrodynamics it would obviously be beneficial if the solute transport module could be executed separately. This paper details the application of both the conventional DIVAST model and an independent solute transport model, which is driven by residual currents, to a waterbody, namely Killybegs Harbour, County Donegal, Ireland. The solute concentration results obtained from the residual current method are examined and compared to those predicted by the DIVAST model. The effects of varying some of the controlling parameters within the residual current solute model are also examined. The results from the residucal current solute transport model and its comparison with the DIVAST model are presented and discussed.
机译：用于溶质运移建模的常规方法包括将二维有限差分模型DIVAST（深度综合速度和溶质运移）应用于水体。运行模型所需的时间长度与研究区域的大小成正比，因此，对于较大的研究区域，该过程非常耗时。由于大部分运行时间都花在计算流体动力学上，因此如果可以单独执行溶质传输模块，则显然是有利的。本文详细介绍了常规DIVAST模型和由剩余电流驱动的独立溶质运移模型在水体（即爱尔兰Donegal县的Killybegs港）中的应用。检查从剩余电流法获得的溶质浓度结果，并将其与DIVAST模型预测的溶质浓度结果进行比较。还研究了在剩余电流溶质模型中改变某些控制参数的影响。给出并讨论了剩余电流溶质运移模型的结果及其与DIVAST模型的比较。

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