Impact of Shoaling Ocean Surface Waves on Wind Stress and Drag Coefficient in Coastal Waters: Part I Uniform Wind

These are wind stress and drag coefficient data from a series of idealized numerical experiments in a two-part study that investigates the impact of shoaling ocean waves on the wind stress and drag coefficient in coastal waters. The data were generated using the two diagnostic flux calculation methods implemented in the WAVEWATCH III wave model (v5.16) (FLD1/2). In uniform wind conditions, our experimental data show that as water depth decreases, the drag coefficient gradually increases and reaches a peak value at a threshold depth where depth-induced wave breaking starts. This enhancement of drag is as much as 25%~40% relative to its deep-water counterpart and is mainly caused by steepening and slowing down of the dominant waves due to shoaling. The data also reveal a sensitivity of the drag coefficient to the bottom slope, which has not been recognized as an important parameter in the literature before.本数据集为一项分两部分开展的研究中的系列理想化数值试验所生成的风应力（wind stress）与拖曳系数（drag coefficient）数据，该研究旨在探究海浪浅化效应对近岸水域风应力及拖曳系数的影响。相关数据通过在海浪模式WAVEWATCH III（版本5.16）中实现的两种诊断通量计算方法（FLD1/2）生成。 在均匀风场条件下，本试验数据显示，随着水深逐渐降低，拖曳系数会持续升高，并在水深诱导海浪破碎开始的临界水深处达到峰值。该拖曳增强效应相较于深水工况下的对应值最高可达25%~40%，其主要成因是浅化过程中主导海浪的变陡与传播减速。此外，本数据集还揭示了拖曳系数对底坡的敏感性——这一参数在此前的相关学术文献中尚未被视为重要影响因子。