AUTHOR=Li Zhijing , Wang Xiaoxue , Liu Yujiao , Li Wenqi , Zhou Xian , Lv Chaonan , Wang Guiqiao , Ma Junxiao TITLE=Comprehensive analysis of sediment grain features and their engineering implications in the Yangtze River source area JOURNAL=Frontiers in Soil Science VOLUME=5 YEAR=2025 URL=https://www.frontiersin.org/journals/soil-science/articles/10.3389/fsoil.2025.1540941 DOI=10.3389/fsoil.2025.1540941 ISSN=2673-8619