Monitoring Subtle Ground Deformation of Geohazards from Space

Dear Colleagues,

Various geological disasters, including earthquakes, volcanoes, landslides and permafrost melting, often result in ground deformation of different magnitudes. In some cases, the deformation may foresee a forthcoming larger catastrophic geohazard event. In other cases, the ground deformation can be used to diagnose sub-surface processes. Hence, the study of subtle ground deformation provides important means to monitor and interpret the mechanisms, and even to support early warnings of these geohazards. The modern remote sensing and space geodetic technologies, especially Synthetic Aperture Radar (SAR) and Global Navigation Satellite System (GNSS), have been demonstrated to be powerful approaches to detect, monitor, and model geohazards. However, impacted by various artifacts, it is necessary to further advance data processing algorithms for accurate deformation measurements. Additionally, the recent development in operational monitoring systems along with big data analysis techniques allows for innovative knowledge-discovery on the basis of large amounts of subtle deformation events. This Special Issue is aimed at providing selected contributions on advances in InSAR/GNSS algorithm development and quantitative studies on subtle ground deformation linked to various geohazards. Themes in this Special Issue include, but are not limited to: InSAR/GNSS algorithm development and multi-source data integration; Earthquakes and tectonics; Volcanic processes; Landslides; Permafrost; Crustal loading effects;Applications with big data analysis techniques.

Dr. Wenyu Gong
Prof. Dr. Zhong Lu
Dr. Cunren Liang
Dr. Shanshan Li
Dr. Qingli Luo
Guest Editors

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