Tidal watertable fluctuation in a sandy ocean beach

桑迪海洋海滩中的潮汐地下水位波动。桑迪海滩中的潮汐动力学对侵蚀、盐水入侵和生物活动具有重要意义。大多数以前的研究是基于线性浅水流，忽略了毛细效应和土壤行为，这是特别重要的桑迪海滩。在本计画中，我们建议建立一个包含毛细效应与土壤特性的桑迪海滩潮汐水位波动解析近似。分析工作将得到数值和实验室实验的支持。研究成果将使人们更好地了解潮汐波、海滩和地下水的相互作用，并建立两个研究所之间的长期合作。

Tidal watertable fluctuation in a sandy ocean beach. Tidal dynamics in a sandy beach is important for erosion, saltwater intrusion and biological activities. Most previous researches were based on linearised shallow flow, ignoring capillary effects and soil behaviour, which are particularly important for a sandy beach. In this project, we propose to establish an analytical approximation for the tidal watertable fluctuation in a sandy beach by incorporate the capillary effects and soil behaviour. The analytical work will be supported by numerical and laboratory experiments. The research outcomes will provide a better understanding in tidal waves, beaches and groundwater interaction and also establish a long-term collaboration between two institutes.