Research on the movement process of erosion-denudation type debris flow in middle-low mountains based on particle algorithm model - He, Xiaofeng; Gong, Yongfeng; Yan, Jinkai; Gao, Shichang; He, Zheng; Zhang, Gang; Wang, Guorui; Hu, Zhiyong; Wang, Hui (Frontiers in Earth Science, 2025)