Table 1. Summary statistics of the present near-natural flow regime at a study site in the Molenaars River, Western Cape, South Africa (Brown and King 2002).
| | | |
Category
number |
|
Flow category |
|
Discharge
(m³/s) |
|
Average number of
events per year |
| |
|
| 1 |
|
Dry-season low flows |
|
|
|
... |
|
| 2 |
|
Wet-season low flows |
|
|
|
... |
|
| 3 |
|
Intra-annual flood size class 1 |
|
|
|
|
|
| 4 |
|
Intra-annual flood size class 2 |
|
|
|
3 |
|
| 5 |
|
Intra-annual flood size class 3 |
|
21–41 |
|
3 |
|
| 6 |
|
Intra-annual flood size class 4 |
|
42–84 |
|
2 |
|
| 7 |
|
1:2 year flood |
|
94 |
|
... |
|
| 8 |
|
1:5 year flood |
|
146 |
|
... |
|
| 9 |
|
1:10 year flood |
|
181 |
|
... |
|
| 10 |
|
1:20 year flood |
|
187 |
|
... |
|
| |
|