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首页> 外文期刊>Journal of hydro-environment research >Brine discharges into shallow coastal waters with mean and oscillatory tidal currents
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Brine discharges into shallow coastal waters with mean and oscillatory tidal currents

机译：盐水以平均潮流和振荡潮流排放到沿海浅水区

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摘要

The development of a mathematical model on the cumulative effects due to brine discharges into shallow coastal waters with a flat seabed is conducted in this study. The model incorporates the effects of tidal currents, which are commonly encountered in the natural coastal environment. The tidal currents are represented by a small constant component, V (normally referred as residual or drift current), plus a periodic part, U_0 sin ωt. Anisotropic eddy dispersivities in the alongshore and cross-shore directions are also incorporated. The convergence to the quasi-steady state for the salinity excess due to the continuous brine input has been studied for the first time. The application of the mathematical model to assess a hypothetically practical discharge is also performed. Model predictions for representative velocity ratios of v (=V/U_0) are obtained. In general, the placement of the outfall further offshore has been shown to reduce the shoreline impact as expected. A comparison of the results between constant and time-dependent dispersivities has been conducted.
机译：这项研究进行了数学模型的开发，该数学模型是由于盐水排放到平坦海床的浅海沿岸而产生的累积效应。该模型包含了在自然沿海环境中经常遇到的潮流影响。潮流电流由一个小的常数分量V（通常称为剩余电流或漂移电流）加上一个周期性分量U_0 sinωt表示。沿岸和跨岸方向的各向异性涡散度也被纳入。首次研究了由于连续输入盐水导致盐度过剩而趋于准稳态。还执行了数学模型以评估假设的实际放电的应用。获得了代表速度比v（= V / U_0）的模型预测。总的来说，将排污口布置在更远的海上已经显示出可以减少对海岸线的影响。进行了恒定和随时间变化的分散度结果的比较。

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