Natural Hazards and Earth System Sciences
Natural Hazards and Earth System Sciences
NHESS
Articles | Volume 26, issue 4
Articles | Volume 26, issue 4
https://doi.org/10.5194/nhess-26-1913-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/nhess-26-1913-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 26, issue 4
Research article
 | 
27 Apr 2026
Research article |  | 27 Apr 2026

Early identification of reservoir-bank landslides in deeply incised mountain canyon areas with interferometric baseline optimization

Wenfei Xi, Wenyu Hong, Zhiquan Yang, Guangcai Huang, Junqi Guo, Kunwu Yang, and Tingting Jin

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Short summary
This study proposes a vegetation-adaptive coherence threshold method to reduce vegetation-induced decorrelation in small baseline subset interferometric synthetic aperture radar (SBAS‑InSAR) landslide monitoring. By integrating vegetation coverage and the fifth-generation ECMWF atmospheric reanalysis (ERA5)-based atmospheric correction, the method improves deformation accuracy and phase unwrapping. Results show a 29.1 % gain in precision and 22 % more landslide detection.
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