丽江干河坝冰-岩碎屑流地貌、沉积特征与成因机制分析

师璐璐, 陈剑, 陈瑞琛, 崔之久, 米东东, 吕明升, 刘蓓蓓

Geomorphological characteristics and failure mechanism of Ganheba rock-ice avalanche in Lijiang

Lulu SHI, Jian CHEN, Ruichen CHEN, Zhijiu CUI, Dongdong MI, Mingsheng LÜ, Beibei LIU

表2 干河坝冰-岩碎屑流各分区几何参数

Table 2 Geometric parameters in each region caused by Ganheba rock-ice avalanche

面积/km2 前后高差/km 运动距离/km 平均厚度/m 体积/km3 源区 0.2600 1.013 0.878 35 0.0091 流通区 0.2250 0.417 0.812 — — 堆积区 Ⅲ-1 0.0925 0.208 0.460 35 0.0032 Ⅲ-2 0.7977 0.333 2.710 10 0.0080 整体 0.8902 0.541 3170 — 0.0112