Monitoring Subsidence Area in Mine Based on Multi-source and Multi-temporal Remote Sensing Data

In this paper, the decision-making information of subsidence area for twenty years is extracted, using Landsat multi-band and multitemporal remote sensing data, SPOT 5 texture features, DEM elevation, the methods of data fusion and principal component analysis and GIS technology, thereby the spatial and temporal distribution of change of subsidence area in mining is acquired from years 1987 to 2007. The changes of subsidence area are larger from 1987 to 2000, accounting for 86.25% of the total subsidence area; the changes of subsidence area are smaller from 2000 to 2007. The subsidence area reclaimed for fish ponds, other villages and so on. * Corresponding author. [email protected]