金沙江上游SBAS-InSAR滑坡三维形变监测与堵江影响分析

doi:10.3799/dqkx.2025.269

金沙江上游SBAS-InSAR滑坡三维形变监测与堵江影响分析

doi: 10.3799/dqkx.2025.269

蒋亚楠^1,2,3,
许强^1, ,,
汤明高¹,
朱星¹,
张超²

1. 成都理工大学地质灾害防治与地质环境保护全国重点实验室, 成都 610059;
2. 成都理工大学地球与行星科学学院, 成都 610059;
3. 中国科学院精密测量科学与技术创新研究院大地测量与地球动力学国家重点实验室, 武汉 430077

基金项目:

国家自然科学基金(42304042)

全国重点实验室开放基金(SKLGED2024-5-2)

部-省合作重点研发项目(四川地质灾害遥感2023ZRBSHZ049)

详细信息

作者简介:
蒋亚楠（1988-），教授，主要从事地质灾害隐患遥感精准识别与监测预警研究. ORCID: 0000-0002-0637-2978. Email: jiangyanan@cdut.edu.cn

通讯作者:
许强，教授。Email：xq@cdut.edu.cn

中图分类号: P237;P694
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出版历程
- 收稿日期: 2025-07-02

Three-dimensional Deformation Monitoring and River Blocking Impact Analysis Using of Landslide Using SBAS-InSAR

1. State Key Laboratory of Geohazard Prevention and Geoenvironment Protection, Chengdu University of Technology, Chengdu 610059, China;
2, School of Earth and Planetary Sciences Chengdu University of Technology, Chengdu 610059, China;
3, State Key Laboratory of Precision Geodesy, Innovation Academy for Precision Measurement Science and Technology, CAS, Wuhan 430077, China

摘要

摘要: 本文利用SBAS-InSAR技术处理了2014年至2022年间Sentinel-1A升降轨SAR数据，重点研究了白格滑坡堵江事件对其下游最近临滑坡群活动性的影响。选择受堵江影响显著的沙东滑坡进行了地形约束下的InSAR三维形变反演，并结合GNSS监测验证模型性能。研究结果显示，白格滑坡堵江后，沿岸滑坡的形变速率普遍增加了3至7倍不等。特别是位于金沙江凹岸的沙东滑坡，单体受影响面积约1.85km²，最快变形速率增加了堵江前的7倍。三维形变结果表明，相较于地表平行流（Surface-Parallel Flow，SPF）模型，坡向平行流（Aspect Parallel Flow，APF）地形约束模型在沙东滑坡三维形变反演中的表现更优。
- SBAS-InSAR /
- 三维形变 /
- 白格滑坡 /
- 堵江影响
Abstract: This study employs the SBAS-InSAR technique to process Sentinel-1A ascending and descending orbit SAR data from 2014 to 2022, focusing on the impact of the Baige landslide-induced river damming event on the activity of the nearest downstream landslide cluster. The Shadong landslide, which was significantly affected by the damming, was selected for terrain-constrained three-dimensional (3D) deformation inversion using InSAR, with GNSS observations used to validate model performance. Results indicate that, following the damming event, deformation rates of the riverside landslides generally increased by a factor of 3 to 7. In particular, the Shadong landslide, located on the concave bank of the Jinsha River, exhibited a notably impacted area of approximately 1.85 km², with the maximum deformation rate increasing up to 7 times compared to the pre-damming period. The 3D deformation analysis demonstrates that the Aspect-Parallel Flow (APF) terrain-constrained model outperforms the Surface-Parallel Flow (SPF) model in reconstructing the deformation pattern of the Shadong landslide.
- SBAS-InSAR /
- Three-dimensional deformation /
- Baige Landslide /
- River blocking impact

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参考文献(30)

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金沙江上游SBAS-InSAR滑坡三维形变监测与堵江影响分析

doi: 10.3799/dqkx.2025.269

作者简介:
蒋亚楠（1988-），教授，主要从事地质灾害隐患遥感精准识别与监测预警研究. ORCID: 0000-0002-0637-2978. Email: jiangyanan@cdut.edu.cn

通讯作者:
许强，教授。Email：xq@cdut.edu.cn

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Three-dimensional Deformation Monitoring and River Blocking Impact Analysis Using of Landslide Using SBAS-InSAR

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留言板

金沙江上游SBAS-InSAR滑坡三维形变监测与堵江影响分析

doi: 10.3799/dqkx.2025.269

作者简介: 蒋亚楠（1988-），教授，主要从事地质灾害隐患遥感精准识别与监测预警研究. ORCID: 0000-0002-0637-2978. Email: jiangyanan@cdut.edu.cn

通讯作者: 许强，教授。Email：xq@cdut.edu.cn

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出版历程

Three-dimensional Deformation Monitoring and River Blocking Impact Analysis Using of Landslide Using SBAS-InSAR

计量

出版历程

目录

作者简介:
蒋亚楠（1988-），教授，主要从事地质灾害隐患遥感精准识别与监测预警研究. ORCID: 0000-0002-0637-2978. Email: jiangyanan@cdut.edu.cn

通讯作者:
许强，教授。Email：xq@cdut.edu.cn