<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The large reservoirs in the southwestern Alpine Canyon region are characterized by long reservoir banks and complex geological structures. The problem of finding the deformation zone quickly and efficiently is urgent and needs to be resolved. In this study, taking the area 110 km upstream of the Baihetan dam site as the study area, the applicability of various interferometric synthetic aperture radar (InSAR) techniques was summarized, and the small baseline subset interferometric synthetic aperture radar (SBAS-InSAR) method was used to carry out large-scale disaster risk screening using multi-source satellite SAR data. A total of 40 hidden danger points were identified, with 22 of them being newly discovered. The differences in the deformation results from the multi-source satellite SAR data were discussed. By analyzing ComparSAR-based deformation monitoring results of a large reservoir, a new risk screening method for slopes in alpine-canyon regions can be provided.</p>
</abstract>

The large reservoirs in the southwestern Alpine Canyon region are characterized by long reservoir banks and complex geological structures. The problem of finding the deformation zone quickly and efficiently is urgent and needs to be resolved. In this study, taking the area 110 km upstream of the Baihetan dam site as the study area, the applicability of various interferometric synthetic aperture radar (InSAR) techniques was summarized, and the small baseline subset interferometric synthetic aperture radar (SBAS-InSAR) method was used to carry out large-scale disaster risk screening using multi-source satellite SAR data. A total of 40 hidden danger points were identified, with 22 of them being newly discovered. The differences in the deformation results from the multi-source satellite SAR data were discussed. By analyzing ComparSAR-based deformation monitoring results of a large reservoir, a new risk screening method for slopes in alpine-canyon regions can be provided.

Risk screening of large reservoir bank slopes based on deformation monitoring using InSAR technology-A case study of the Baihetan reservoir bank

PowerChina Huadong Engineering Corporation Limited

Zhejiang Huadong Geotechnical Investigation & Design Institute Corporation Limited

Zhejiang Huadong Mapping and Engineering Safety Technology Corporation Limited

Beijing Zhongguancun Insititute of Ssfety Science Corporation Limited

Applied Mathematics and Nonlinear Sciences

This work is licensed under the Creative Commons Attribution 4.0 International License.

The large reservoirs in the southwestern Alpine Canyon region are characterized by long reservoir banks and complex geological structures. The problem of...

Risk screening of large reservoir bank slopes based on deformation monitoring using InSAR technology-A case study of the Baihetan reservoir bank

Published Online: Aug 05, 2024

Page range: -

Received: Mar 20, 2024

Accepted: Jun 16, 2024

DOI: https://doi.org/10.2478/amns-2024-1897

Keywords
Large reservoir, InSAR-based deformation monitoring, Geological hazard, Early identification

© 2024 Wang Shizheng et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Risk screening of large reservoir bank slopes based on deformation monitoring using InSAR technology-A case study of the Baihetan reservoir bank

Published Online: Aug 05, 2024

Page range: -

Received: Mar 20, 2024

Accepted: Jun 16, 2024

DOI: https://doi.org/10.2478/amns-2024-1897

KeywordsLarge reservoir, InSAR-based deformation monitoring, Geological hazard, Early identification

© 2024 Wang Shizheng et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Keywords
Large reservoir, InSAR-based deformation monitoring, Geological hazard, Early identification