内外动力耦合作用下雅鲁藏布江中游崩滑灾害分布规律

doi:10.3799/dqkx.2025.292

内外动力耦合作用下雅鲁藏布江中游崩滑灾害分布规律

doi: 10.3799/dqkx.2025.292

陈梅¹,
林棋文^1,2, ,,
杨虎锋¹,
宋章³,
罗肖³,
崔浩文³,
程谦恭¹,
王玉峰¹

1. 西南交通大学地质工程系, 四川成都 611756
2. 宜宾西南交通大学研究院, 四川宜宾 644000
3. 中铁二院工程集团有限责任公司, 四川成都 610031

基金项目:

国家自然科学基金资助项目 (42577233

U2244229

42207203)；宜宾西南交通大学研究院博士后补助经费项目(42207203)；中央高校基本科研业务经费 (2682024CX076)

详细信息

作者简介:
陈梅 (2000-)，女，博士研究生，主要从事地质灾害机理研究. ORCID：0009-0007-1010-3555. E-mail：chenmei@my.swjtu.edu.cn

通讯作者:
林棋文(1992-),男,副研究员,主要从事高速远程滑坡动力学机理研究.ORCID:0000-0002-4610-3684.E-mail:linqiwen@my.swjtu.edu.cn

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出版历程
- 收稿日期: 2025-09-15
- 网络出版日期: 2026-01-05

Distribution of Rockfalls and Rockslides in Middle Zone of Yarlung Zangbo River under the Coupling Effects of Endogenic and Exogenic Geological Processes

1. Department of Geological Engineering, Southwest Jiaotong University, Chengdu 611756, Sichuan, China
2. Yibin Institute of Southwest Jiaotong University, Yibing, 644000, Sichuan, China
3. China Railway Eryuan Engineering Group Co., Ltd., Chengdu 610031, Sichuan, China

摘要

摘要: 雅鲁藏布江中游独特的区域地质环境与气候条件孕育了广泛的崩滑灾害，为研究内外动力耦合作用下地表崩滑响应提供了天然良好的实验室。本研究通过遥感解译和野外调查，识别贡嘎-林芝雅江河段滑坡483处，近岸重点崩塌26处和变形体18处，分析揭示内外动力耦合作用下崩滑灾害分区分带规律：崩滑灾害沿桑日-朗县段密集发育，该段与构造活动密切相关；崩滑灾害主要分布在季节冻土区；滑坡集中在加查-朗县、贡嘎-桑日的千枚岩等软岩中，其次是里龙-林芝的片麻岩等地层，崩塌集中在桑日-里龙的花岗闪长岩类中；贡嘎-桑日段宽谷地形低缓，小规模滑坡更为发育。此外，加查-朗县沿岸连续分布几处大规模滑坡与河流凹岸侵蚀有关。灾害分布体现了构造对灾害密度、气候对灾害孕育、岩性对灾害类型、地形地貌对灾害规模的主控作用。
- 崩滑灾害 /
- 雅鲁藏布江中游 /
- 内外动力耦合致灾 /
- 灾害分区分带规律
Abstract: The unique regional geological environment and climatic conditions of the middle reaches of the Yarlung Zangbo River (YZR) have fostered widespread rockfall and rockslide hazards. This area serves as a natural laboratory for studying land surface response under coupled endogenic and exogenic geological processes. This study identified 483 rockslides, 26 key nearshore rockfalls, and 18 slope deformation masses in the Konggar-Nyingchi segment of YZR through remote sensing interpretation and field surveys. Analysis revealed zonal patterns of disaster distribution influenced by coupled endogenic and exogenic geological processes. Disasters are densely distributed along the Sangri-Nang County segment, and this area is closely related to tectonic activity. Disasters are mainly distributed in seasonal permafrost areas. Rockslides predominantly occur in soft rock formations like phyllite in Gyaca-Nang County and Konggar-Sangri, followed by gneiss strata in Lilong-Nyingchi. Rockfalls mainly occur in hard rock formations of granite-pegmatite in Sangri-Lilong. Small-scale rockslides are more developed in Konggar-Sangri wide valley segment, where the terrain is relatively low and gentle. Additionally, several continuous large-scale rockslides along the Gyaca-Nang County riverbank are associated with concave bank erosion of the river. Disaster distribution patterns reflect the dominant role of tectonic activity over disaster density, lithology over disaster types, climatic conditions over disaster formation processes, and topography-geomorphology over disaster scale.

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内外动力耦合作用下雅鲁藏布江中游崩滑灾害分布规律

doi: 10.3799/dqkx.2025.292

作者简介:
陈梅 (2000-)，女，博士研究生，主要从事地质灾害机理研究. ORCID：0009-0007-1010-3555. E-mail：chenmei@my.swjtu.edu.cn

通讯作者:
林棋文(1992-),男,副研究员,主要从事高速远程滑坡动力学机理研究.ORCID:0000-0002-4610-3684.E-mail:linqiwen@my.swjtu.edu.cn

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Distribution of Rockfalls and Rockslides in Middle Zone of Yarlung Zangbo River under the Coupling Effects of Endogenic and Exogenic Geological Processes

计量

目录

留言板

内外动力耦合作用下雅鲁藏布江中游崩滑灾害分布规律

doi: 10.3799/dqkx.2025.292

作者简介: 陈梅 (2000-)，女，博士研究生，主要从事地质灾害机理研究. ORCID：0009-0007-1010-3555. E-mail：chenmei@my.swjtu.edu.cn

通讯作者: 林棋文(1992-),男,副研究员,主要从事高速远程滑坡动力学机理研究.ORCID:0000-0002-4610-3684.E-mail:linqiwen@my.swjtu.edu.cn

计量

出版历程

Distribution of Rockfalls and Rockslides in Middle Zone of Yarlung Zangbo River under the Coupling Effects of Endogenic and Exogenic Geological Processes

计量

出版历程

目录

作者简介:
陈梅 (2000-)，女，博士研究生，主要从事地质灾害机理研究. ORCID：0009-0007-1010-3555. E-mail：chenmei@my.swjtu.edu.cn

通讯作者:
林棋文(1992-),男,副研究员,主要从事高速远程滑坡动力学机理研究.ORCID:0000-0002-4610-3684.E-mail:linqiwen@my.swjtu.edu.cn