The data set is 1:700000 land cover data of Gansu Province in Northwest China in 1990. This data adopts a hierarchical land cover classification system. The first class of the classification system is consistent with the IPCC system, with a total of 6 categories (woodland, grassland, wetland, cultivated land, artificial surface, others), and the second class uses 38 types with global unified code generated by the LCCs of FAO.
|collect time||1990/01/01 - 1990/12/31|
|collect place||Gansu Province|
|data size||27.4 MB|
The main data sources are as follows: 1. Land use data in 1990's; 2. False color synthetic images of counties accurately corrected by Landsat at the same period of land use data; 3. Auxiliary data include 1:500000 grassland resource map (vector), 1:1000000 soil type map (vector), 1:1000000 vegetation type map (scan), etc.
Based on ecognition software platform, object-oriented classification method is adopted
Good data quality
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