Abstract Detecting the slow motions of highly elevated landslides in remote mountain areas has always been a problem. This paper takes the Woda landslide along the Jinsha River as an example to monitor landslide movement. Although some parts of the landslide body have been found to have moved in recent years, the timing and magnitude of motion have not been systematically monitored or interpreted. Here, we apply the SBAS time series strategy using 65-scene Sentinel-1A/B satellite InSAR images and study the spatial distribution and temporal behaviour of landslide movements between July 4, 2018, and August 29, 2020. Our research results show that the cumulative deformation on the left side of the landslide body with concentrated deformation was approximately 200 mm during the 2-year observation period. By calculating the relationship between the InSAR time series and the precipitation around the landslide, it is found that the landslide deformation is closely related to precipitation. GNSS technology is also deployed on the landslide mass and effectively complements InSAR technology. Simultaneously, based on the results of field surveys and hydrological data analysing the landslide's spatial deformation characteristics and deformation factors, the landslide deformation can also be inferred to be related to precipitation.


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    Titel :

    Monitoring and analysis of Woda landslide (China) using InSAR and Sentinel-1 data


    Beteiligte:
    Li, Bingquan (Autor:in) / Jiang, Wenliang (Autor:in) / Li, Yongsheng (Autor:in) / Luo, Yi (Autor:in) / Jiao, Qisong (Autor:in) / Zhang, Qingyun (Autor:in)

    Erschienen in:

    Advances in Space Research ; 72 , 5 ; 1789-1802


    Erscheinungsdatum :

    2023-04-05


    Format / Umfang :

    14 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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