Earth Observations for Land Subsidence Identification, Monitoring and Their Contribution to Modeling II

Dear Colleagues,

Land subsidence is a major problem that occurs worldwide and exponentially growing. It stands for the gradual or sudden lowering of the Earth’s level. Natural and anthropogenic interventions cause land subsidence. The natural causes include tectonic processes, isostasy, crustal loading by ice sheets, and sediment compaction at river deltas. On the other hand, anthropogenic subsidence can be caused by oil extraction, water injection, peat oxidation, and construction loading over soft soil.

The advances in geodetic satellite technologies and remote sensing enable excellent Earth observation capabilities and inherit invaluable ground movement legacy. For instance, Global Navigation Satellite Systems (GNSS) are widely used to establish continuously operating reference stations (CORS). It provides a set of time series over scattered sites over specified areas. In addition, the Interferometric Synthetic Aperture Radar (InSAR) is also used for mapping land subsidence through the phase difference of the radar images. InSAR technology enables extensive spatial mapping compared to scattered sites obtained by GNSS.

This Special Issue welcomes high-quality research and studies that address the most recent advancements, including but not limited to:

• Monitoring, identification, prediction, and analysis of land subsidence using GNSS positioning.
• Change detection techniques based on satellite and terrestrial remote sensing imageries and digital image correlation
• InSAR technology for geophysical surface deformation due to Volcanoes, landslides, earthquakes, and glaciers
• Advanced land subsidence methodologies and integration with hydrological and metrological models

Dr. Ahmed Abdalla
Dr. Abdelali Fadil
Prof. Dr. Claudia Meisina
Guest Editors

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