Question 1
A group of students collected data to investigate changes along a river channel.
Study Figure 1a below.
One of the sites chosen by the students
State one fieldwork method the students may have used at this site.
(1)
Complete Figure 1b by plotting the data below.
| Mean velocity (m/s) | Cross-sectional area (m2) |
| 0.4 | 1.4 |
| 0.62 | 2.6 |
(2)
An anomaly is something that is different to what is expected.
Explain two possible reasons for the anomaly shown at X in Figure 1b.
(4)
Suggest one way students could have used a flood risk map to investigate this river.
(3)