Study on Land Subsidence Characteristics in Guangzhou Metro Protection Zones Based on Time-Series InSAR and Gis Spatial Analysis
This study performs a spatiotemporal analysis and multi-dimensional attribution of land subsidence within Guangzhou's urban rail transit zones. Utilizing TS-InSAR (SBAS and PS-InSAR) on multi-source SAR imagery, we identified a “Stable North, Subsiding South” paradigm. While the urban core remains stable, extreme subsi...