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《Science of Surveying and Mapping》 2010-01
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An implemental method for updating digital topographic map in mine subsidence area

WANG Jing-wei(College of Civil Engineering,Shandong Jianzhu University,Jinan 250101,China)  
The elevation data can be extracted from the mine digital topographic map based on CASS before the mine surface begins to subside,and the elevation data can also be interpolated based on CASS.Using the subsidence forecasting procedure to modify the interpolated elevation data of mine area can produce the mining subsidence elevation data file.Updating digital topographic map in mine subsidence area can be realized through the simply data processing based on CASS.It has the significance to the surveying and mapping work and the disaster prevention and mitigation engineering of mine subsidence.
【CateGory Index】: P217
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