Micro erosion (Blow-out effect is dominant)：a Arid oasis；b Meadow steppe
Mild erosion(Blowing in dry season and formation of sandy slope on sandy surface)：a Reclamation of meadow grassland；b Steppe
Moderate erosion(Sandstorms or beaches or ridges on the ground)：a Reclamation of steppe；b Desert steppe
Strength erosion(Active dunes or wind erosion dunes)：a Fixed dune；b Semi-fixed dunes
Extreme intensity erosion (Dune activity)：a Less active；b Highly active
Severe erosion(Gobi beach, bare floor)
Freeze-thaw erosion
Mild erosion (Alpine meadow, meadow grassland)
Moderate erosion (Alpine desert grassland, desert)
Strength erosion (Seasonal frozen soil)
Extremely intensive erosion (Permafrost)
No obvious erosion
Dense forest and alpine tundra
Modern accumulations
Paddy field
Hydrochemical dissolution
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