The research takes the Dexing Copper Mine in Jiangxi Province as an example to generate two Digital Elevation Models(DEMs) through different methods in 1986 and 2000.

• 以江西德兴铜矿矿山开采状况为例,采用两种方式分别建立了该地区1986年和2000年的数字高程模型(DEM)。