AUTHOR=Li Yonghang , Yao Huiqiang , Chen Zongheng , Luo Weidong , Zhang Shi TITLE=Morphology and evolution of submarine sand ridges and sand waves off the southwestern coast of Hainan Island, China JOURNAL=Frontiers in Marine Science VOLUME=Volume 12 - 2025 YEAR=2025 URL=https://www.frontiersin.org/journals/marine-science/articles/10.3389/fmars.2025.1561392 DOI=10.3389/fmars.2025.1561392 ISSN=2296-7745