《Table 4 Wind erosion severity grade》

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《中国分省土壤侵蚀变化数据集（1985-2011）》

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Although there was no MoW standard for soil erosion severity grade before 1985 and various MoW standards were adopted for erosion surveys during 1995-2007，the definitions of erosion severity were virtually the same.Table 3 and Table 4 are excerpts from MoW standard“Soil Erosion Classification and Grade（SL190-1996）”[10].The“light and above”in severity grade was classified as soil erosion.