Disaster patterns and quantitative risk research of dam-break debris flows in high-mountain and steep-gorge regions: a case study of the Yizhong River Basin in Deqin, Yunnan - Le-cheng Wang; Wen-pei Wang; Yan Wang; Qing He; Bin Li; Yang Gao; Jun-chen Liu; Jie Ma; Xiao-dong Pei (Natural Hazards, 2026)