Geoscience Reference
In-Depth Information
(a)
1.0
0.8
0.6
0.4
0.2
0.0
0
1
2
LAI (dimensionless)
3
4
5
(b)
0.15
0.10
0.05
Figure 26.13
(a) Ratio of zero
plane displacement to vegetation
height versus leaf area index, and
(b) aerodynamic roughness to
vegetation height versus leaf area
index calculated in question 9(e).
0.00
0
1
2
LAI (dimensionless)
3
4
5
Grass
Crop
Forest
1000
100
10
Figure 26.14
Variation in
aerodynamic resistance for a
10 cm high grass stand, a 1 m
high crop stand, and a 30 m high
forest stand all with
LAI
= 4
calculated in question 9(f ).
1
01234
Wind speed (m s
−
1
)
5678
