Effect of Vegetation Roots on the Threshold of Slope Instability Induced by Rainfall and Runoff

Figure 8

Pressure head distributed on the uniform roots for rainfall duration of 60 h with rainfall amount of 500 mm: (a) drying 12 h, (b) rainfall 12, (c) rainfall 36, and (d) rainfall 60 h.

(a)

(b)

(c)

(d)