The stress produced by repeated train loads decreases with increasing railway subgrade bed depth, and slightly weathered coarse particles of subgrade bed fillin
Sand-dust weather has become an international social-environmental issue of common concern, and constitutes a serious threat to human lives and economic develop
In order to monitor the pattern, distribution, and trend of land use/cover change(LUCC) and its impacts on soil erosion, it is highly appropriate to adopt Remot