The effects of inland navigation on the aquatic ecosystem are numerous. One of the most relevant impacts from the ecohydraulic point of view is ship‐induced waves, resulting in the local and temporary alteration of the hydrodynamic regime, especially in shallow water areas. In this paper, a novel hydrodynamic modeling‐based evaluation framework is presented and tested for the prediction of habitat use and drift risk of juvenile fish during wave events of different intensities. A vertically resolved numerical wave tank was built up using field measurements of a real vessel‐generated wave event from the Hungarian Danube. High‐frequency pressure time series were utilized to numerically reproduce the phase accurate wave trains, while acoustic Doppler velocity time series were exploited for the verification of the model. Results of the spatiotemporally resolved hydrodynamic model were combined with data from the literature to explore a case study of juvenile Nase (Chondrostoma nasus). Results highlighted the significant horizontal extension (10–15 m) of the area exposed to decreased habitat suitability and increased drift risk. Moreover, the model revealed significant vertical variabilities in the investigated near‐bank area as well, emphasizing the relevance of depth resolved hydrodynamic modeling in ecohydraulic investigations.

中文翻译：

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基于数值模型的预测方法，用于评估舰船波浪对YOY鱼的影响

内陆航行对水生生态系统的影响很多。从生态液压的角度来看，最相关的影响之一是船浪，导致局部和临时性的水动力变化，特别是在浅水区。在本文中，提出了一种新颖的基于水动力模型的评估框架，并进行了测试，以预测不同强度的波浪事件下幼鱼的栖息地使用和漂移风险。利用匈牙利多瑙河真实船只产生的波浪事件的现场测量结果，建立了一个垂直分辨的数值波浪油箱。利用高频压力时间序列对相位精确的波列进行数值再现，而利用声学多普勒速度时间序列进行模型验证。鼻软骨炎）。结果突出显示了该地区显着的水平延伸（10–15 m），这导致栖息地适应性下降和漂移风险增加。此外，该模型还揭示了在被调查的近岸地区也存在明显的垂直变化，强调了深度解析水动力模型在生态液压研究中的相关性。