Variation of Permafrost Upper Limit in Permafrost Subgrade Covered by Snow on Steep Slope of Alpine Mountains

<div>Ten-minute wind speed obtained by Y5854 weather station in winter from 2014 to 2015.</div>

Shock and Vibration

Figure 6: Variation of Permafrost Upper Limit in Permafrost Subgrade Covered by Snow on Steep Slope of Alpine Mountains 