Earth and Planetary Sciences
5 years ago

Artificial sandbars protect beaches and supply sand, enhancing coastal resilience.

Ocean & Coastal Management
Morphological processes of two artificial submerged shore-parallel sandbars for beach nourishment in a nearshore zone
Cuiping Kuang, Xiaodan Mao, Jie Gu, Haibo Niu, Yue Ma, Yanxiong Yang, Ruofeng Qiu, Jiabo Zhang

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Artificial submerged sandbars were created at Tiger-Rock Beach in China to protect the beach and provide a source of sand. A study used a model to show that these sandbars change sediment transport and shape the beach. The sandbars cause wave breaking and create shadow zones, leading to sediment moving in different directions. They help protect the beach by reducing wave height and supply sand by eroding themselves. This research helps us understand how artificial sandbars can benefit beach nourishment projects.