Study Figure 14, a diagram showing the long and two cross profiles of a river.
Figure 14
Cross profile
Cross profile
200
River
200
Source
250
River
Height
100 (m)
100
200-
0
0
Height
0
100
(m)
(metres 150-
(m)
above
sea
100-
level)
50
50-
0
0
5
10
110
400
B
Mouth
25
30
30
35
40
5
15
20
Distance from source (km)
Average
sediment
3
23
16
18
7
size (cm)
04.3 Describe the shape of the river's long profile.
[1 mark]
describe the shape of the river’s long profile