InSAR

Interferometric Synthetic Aperture Radar (InSAR) is an advanced satellite remote sensing technique for the measurement of ground displacement, terrain elevation, and deformation of surfaces. This approach is based on the comparison of the phase information derived from SAR images collected on the same site at different times. This allows for the recognition of very slight deformations of the Earth's surface, which would be impossible to detect by using optical imaging. InSAR is popular in applications such as land subsidence assessment, seismic analysis, landslide identification, volcano studies, glacier and ice motion, mining, infrastructure management, and geological studies. The InSAR technology offers precise and broad-spectrum monitoring without the need to physically visit the monitored site. Since SAR devices can collect data both in daytime and nighttime, and even under cloudy weather conditions, InSAR has become a valuable tool for Earth observation and deformation analysis.