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Ground subsidence, mainly caused by over exploitation of groundwater and other underground resources, such as oil, gas and coal, occurs in many cities in China. The annual direct loss associated with subsidence across the country is estimated to exceed 100 million US dollar. Interferometric SAR (InSAR) is a powerful tool to map ground deformation at an unprecedented level of spatial detail. It has...
Land subsidence induced by mining coal is one major issue in terms of damage to infrastructures. In this paper, the potential of L-band repeat-pass differential SAR interferometry for land subsidence in coal mining area is evaluated using ALOS PALSAR data. The focus is to detect and assess the land subsidence using PALSAR data based on D-InSAR technique. Firstly it introduced the basic principle and...
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