The northern Yucatan peninsula is prone to coastal flooding and erosion owing to its low-land elevation and high exposure to storms. Therefore, it is important to assess the capability of the beach-dune system to resist, recover, and adapt from storms in the context of coastal development and climate change. This work aims to investigate the role of human impacts on the spatiotemporal evolution of the Coastal Resilience Index (CRI) in the area. The study is conducted on a prograding micro-tidal beach located on the vicinity of coastal structures. Beach and dune morphometrics, characteristic beach parameters, and maximum shoreline recession were determined from the analysis of beach profiles undertaken along a 2-km straight of coastline during the 2015–2020 period. Moreover, the maximum extreme water levels were estimated using in situ data and numerical models. This information is employed to assess the alongshore and temporal variability of the beach resilience. The results suggest that the beach and dune morphology present alongshore and temporal variability due to the human impacts associated to the dune degradation and the presence of coastal structures. The analysis shows that coastal resilience has been increasing over the past years but presents significant alongshore variations. High CRI values were found at beach transects presenting low anthropogenic impact, whereas low resilience was observed at transects with a degraded dune or located in the vicinity of coastal structures regardless of presenting high progradation rates. The observed beach response during the passage of recent tropical storms is consistent with the CRI values.

尤卡坦半岛北部因其低海拔和高暴风雨而易于发生沿海洪水和侵蚀。因此，在沿海发展和气候变化的背景下，评估沙滩沙丘系统抵抗，恢复和适应风暴的能力非常重要。这项工作旨在调查人类影响对该地区沿海抗灾力指数（CRI）的时空演变的作用。这项研究是在位于沿海结构附近的不断发展的微潮滩上进行的。海滩和沙丘形态，特征海滩参数和最大海岸线后退是通过对2015-2020年期间沿海岸线2公里的海岸线进行的海滩剖面分析确定的。此外，最大极端水位是使用原位数据和数值模型。该信息用于评估海滩韧性的沿海和时间变化。结果表明，由于沙丘退化和沿海结构的存在对人类的影响，海滩和沙丘的形态呈现出沿岸和随时间的变化。分析表明，沿海恢复力在过去几年中一直在增长，但呈现出明显的沿海变化。在沙滩样带上发现了较高的CRI值，显示出较低的人为影响，而在沙丘退化的样带上或位于沿海结构附近的样带上却观察到了较低的回弹力，而与人工繁殖率无关。在最近的热带风暴过后观察到的海滩响应与CRI值一致。