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Using RADARSAT-2 satellite images from January 2012 to October 2015, this paper employ the PSInSAR(Permanent Scatterer InSAR) technique to acquire coastal lowland subsidence in Zhejiang province. In the Hangzhou Bay Region, the widely distributed silt deposition leads to the entire ground sinking slowly, with 10∼20mm/a in rate. Conversely, the ground subsidence distribution of the Eastern Coastal...
This article puts forward a land-cover hierarchical classification method of TM image in loess hilly ravine area. This method selects different typological samples of ground object, analysises the statistics feature of the samples, confirms the TM image's hierarchical classification trees. The hierarchical classification trees exist more difference in the classification Node, and have higher divisibility...
Spaceborne Radar Interferometry (InSAR) is well known as an accurate, time saving and low cost technique for monitoring of surface deformation phenomena ranging from land subsidence, volcano displacement, tectonic motion and even slow landslides. The Coherent Point Target SAR Interferometry (CPT-InSAR) overcomes atmospheric delay anomalies and the temporal and geometric decorrelation by the interferometric...
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