1 Spatial Modelling of the Terrestrial Environment - Georeferencial

Modelling Wind Erosion and Dust Emission on Vegetated Surfaces 149
0 25 50 75 100
U *ts (cm s −1 )
Figure 7.7 Map of the threshold shear velocity for unvegetated soil, u ∗ts , derived from the
soil texture map and literature values for u ∗ts
0 5 10
Z 0 (cm)
Figure 7.8 Map of the roughness height, z 0 , derived by evaluating equation (4) for each
vegetation height based on its measured height (see Table 7.4)