Application and prospect of the integration of InSAR and BDS/GNSS for land surface deformation monitoring

doi:10.11947/j.AGCS.2022.20220148

Abstract

Abstract: As flourishing space geodesy technologies, InSAR and BeiDou/GNSS have advantages in land surface deformation monitoring. By applying the two tools to carry out integrated measurements, their complementarity can be fully exploited to achieve the unification of high temporal resolution of BeiDou/GNSS and high spatial resolution of InSAR. This paper firstly introduces the basic principles of InSAR and BeiDou/GNSS for land surface deformation monitoring, focusing on the theoretical development of InSAR in the past two decades. Secondly, the latest progress of InSAR and BeiDou/GNSS integration and data fusion are reviewed. Then, the key issues and challenges faced by the land surface deformation monitoring applications are summarised. Finally, the future outlook of the deformation monitoring method integrating InSAR and BeiDou/GNSS is discussed.

Key words: InSAR, GNSS, BDS, deformation monitoring

CLC Number:

P237

HE Xiufeng, GAO Zhuang, XIAO Ruya, LUO Haibin, JIA Dongzhen, ZHANG Zhetao. Application and prospect of the integration of InSAR and BDS/GNSS for land surface deformation monitoring[J]. Acta Geodaetica et Cartographica Sinica, 2022, 51(7): 1338-1355.

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