This data set is composed of two sub data sets, including the ice lake and glacier distribution data sets of the permafrost area and key areas of China Pakistan Economic Corridor in * * years. The spatial range of the study area is 34 ° – 42 ° n, 73 ° – 82 ° e, including key drainage basins such as the kaleqing River, Hongza River, Gaizi River and nubula river. The research scope includes glaciers, snow, water and other typical surface types in alpine areas. Glaciers and ice lakes are selected as the target surface types for extraction. The surface types and ranges in this data set are based on the GCS WGS 1984 projection coordinates. The documents include FID, shape, glims ID, GLC name, area and peri Meter), class (u name), center of mass position coordinates (x-coordinate, y-coordinate) and other information. Taking Landsat 8 oli remote sensing image as the data source, through the object-oriented classification method, the glacier and ice lake classification and distribution data set in the key areas of China Pakistan Economic Corridor are completed.
year by year