The Mongolian Plateau, as the largest arid and semiarid Plateau in Northern hemisphere, plays an important role in the climate changes and sustainable development of the ecological environment. The original dataset is the MODIS Collection 5 dataset produced by Boston University. A serial of tools or methods are used in the data processing, such as the MODIS reprojection tool MRT, projection system and data format conversion of MCD12Q1 products, land_cover_type_1 data extraction, data classification system transformation, resampling techniques, etc. The overall accuracy of the data is about 75%,and different land cover type has different accuracy . The resolution of raster data is 500 meters,which obtained from Mongolian plateau land in 2009.
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